2021.04 - 2023.03   電気学会　ＣＭＤ2022組織委員会   Japan

2021.04   電気学会 高電圧技術委員会　1号委員   Japan

2021.04 - 2024.03   電気学会　電力機器・設備における絶縁破壊の予兆現象の解明とセンシング技術調査専門委員会   Japan

2020.04   電気学会 静止器技術委員会　1号委員   Japan

2020.01 - 2022.12   電気学会　テーラーメイドによるコンポジット絶縁材料開発の進展と応用技術調査専門委員会   Japan

2019.11 - 2022.10   電気学会 絶縁協調標準特別委員会   Japan

2019.09 - 2021.08   電気学会 EINAマガジン発行Ⅲ協同研究委員会   Japan

2019.05 - 2020.06   電気学会 九州支部 総務会議   Japan

2019.05 - 2020.06   電気学会 編修専門第3部会   Japan

2019.04 - 2020.03   電気・情報関係学会九州支部連合大会　庶務幹事・開催地実行委員会副委員長   Japan

2019.01   電気学会 放電・プラズマ・パルスパワー技術委員会　1号委員   Japan

2018.12 - 2021.11   電気学会 誘電・絶縁材料技術委員会　２号委員   Japan

2018.12 - 2021.11   電気学会　電気電子・絶縁材料分野における量子化学計算の適用調査専門委員会   Japan

2018.05 - 2020.06   電気学会 九州支部役員会 総務企画幹事   Japan

2018.05 - 2019.06   電気学会 編修専門第2部会   Japan

2018.04 - 2021.03   電気協同研究会 変電設備の保全高度化とアセットマネジメント専門委員会　   Japan

2018.04 - 2020.06   電気学会 九州支部 SNS運営WG   Japan

2018.01   CIGRE WG D1.73, WG.D1.56   France

2017.09 - 2019.08   電気学会 EINAマガジン発行Ⅱ協同研究委員会   Japan

2017.05 - 2018.12   電気学会　放電技術委員会　1号委員   Japan

2017.04 - 2020.03   電気学会　最新の実用材料を使用した電力機器における絶縁診断技術調査専門委員会   Japan

2016.10   IEEE Conference on Electrical Insulation and Dielectric Phenomena   United States

2016.01 - 2016.12   電気学会　平成28年度基礎・材料・共通部門大会実行委員会   Japan

2015.09 - 2017.08   電気学会 EINAマガジン発行協同研究委員会   Japan

2015.07 - 2018.06   電気学会　配電設備の高経年化に対応した技術動向と課題調査専門委員会   Japan

2015.07 - 2018.06   電気学会　進化するテーラーメイドコンポジット絶縁材料に関する調査専門委員会   Japan

2015.04   電気学会　基礎・材料・共通部門役員会   Japan

2015.03   エレクトロニクス実装学会   Japan

2015.02   CIGRE   France

2015.02   日本CIGRE国内委員会会員   Japan

2014.10 - 2016.03   パワーエレクトロニクス研究会   Japan

2013.02   大学間連携共同教育推進事業   Japan

2012.12 - 2015.09   電気学会 電力機器の革新的診断技術の現状と将来展望調査専門委員会   Japan

2012.10 - 2015.09   電気学会 絶縁性液体の電気的・化学的挙動と製品適用技術調査専門委員会   Japan

2012.04   九州パワーアカデミー   Japan

2011.04 - 2012.03   財団法人北九州産業学術推進機構「高温実装・材料技術研究会」   Japan

2010.04 - 2013.03   電気学会 先端複合ポリマーナノコンポジット誘電体の応用技術調査専門委員会   Japan

2010.03 - 2010.11   高電圧工学に関する国際ワークショップ （7th International Workshop on High Voltage Engineering 2010）   Japan

2010.01 - 2010.09   状態監視・診断に関する国際会議　（International Conference on Condition Monitoring and Diagnosis 2010）   Japan

2009.01   電気電子工学学会　電気絶縁分野（IEEE Dielectrics and Electrical Insulation Society）   United States

2007.11 - 2008.02   電気学会 放電／誘電・絶縁材料／高電圧合同研究会   Japan

2006.01 - 2008.12   電気学会 ナノコンポジット誘電体の界面現象と応用技術調査専門委員会   Japan

2004.11 - 2005.02   電気学会 放電／誘電・絶縁材料／高電圧合同研究会   Japan

2004.04 - 2015.08   電気学会　基礎・材料・共通部門国際委員会ＥＩＮＡ委員会   Japan

2002.10 - 2005.09   電気学会 ナノコンポジット材料の誘電・絶縁応用技術調査専門委員会   Japan

2002.04 - 2004.03   電気学会 EINA(アジアにおける電気絶縁情報)マガジン協同研究委員会   Japan

1997.04   電気学会   Japan

LiquidLong-Term Partial Discharge Characteristics till Breakdown in a 22 kV Cast Resin Transformer Reviewed International journal

M.Miyagawa, Y.Yao, R.Koresawa, H.Kawano, M.Hikita, M.Kozako

2023 International Symposium on Electrical Insulating Materials (ISEIM)   ( MVP1-5 )   2023.09

Partial Discharge Detection and Analysis on a Cast Resin Transformer under Lightning Impulse Voltage Reviewed International journal

Y.Yao, M.Miyagawa, R.Koresawa, M.Kozako, M.Hikita, K.Takei, T.Shibata, T.Uzuki, K.Futakawa, H.Ozeki

2023 International Symposium on Electrical Insulating Materials (ISEIM)   ( F-4 )   2023.09

Observation of Changes in Partial Discharge Activity in Artificial Voids Based on Analysis of Φ-q-n Characteristics and Light Reviewed International journal

Y.Aoki, Y.Takeuchi, T.Sakakihara, K.Iida, T.Umemura, M.Kozako

2023 International Symposium on Electrical Insulating Materials (ISEIM)   ( P-8 )   2023.09

Application of Power Line Communication for Online Partial Discharge Monitoring in A Simulated Substation Reviewed International journal

Lunnetta Safura Lumba, Akito Houdai, Masahiro Kozako, Masayuki Hikita, Hidefumi Sato, Masahiro Soeda

The 23rd International Symposium on High Voltage Engineering(ISH2023)   ( O7.1.05 )   2023.08

Effect of Electric Field on Conductivity of Synthetic Ester Reviewed International journal

Rui Yu, Shanika Matharage, Daigo Okumura, Motoo Tsuchie, Masahiro Kozako, Masayuki Hikita, Zhongdong Wang

The 23rd International Symposium on High Voltage Engineering(ISH2023)   ( O10.1.06 )   2023.08

Partial Discharge Characteristics to Breakdown in Cast Resin Transformer Suffering Lightning Impulses to Accelerate Aging Reviewed International journal

Y.Yao, M.Miyagawa, R.Koresawa, M.Kozako, M.Hikita, K.Takei, T.Shibata, T.Uzuki, K.Futakawa

The 23rd International Symposium on High Voltage Engineering(ISH2023)   ( O8.1.05 )   2023.08

Long-Term AC Partial Discharge Characteristics of A 22 kV Cast Resin Transformer in Accelerated Tests Reviewed International journal

M.Miyagawa1, Y.Yao, R.Koresawa, H.Kawano, M.Hikita, M.Kozako, K.Takei, T.Shibata, T.Uzuki, K.Futakawa

The 23rd International Symposium on High Voltage Engineering(ISH2023)   ( O8.1.04 )   2023.08

Effect of Moisture Content on Temperature Characteristics of Dielectric Breakdown Strength of Biodegradable Ester Oils Reviewed

T.Okamoto, D.Okumura, K.Hamasuna, M.Kozako, M.Hikita, M.Tsuchie, M.Maharana, C.Olmo

22nd IEEE International Conference on Dielectric Liquids (ICDL2023)   ( 191 )   2023.06

Impact of Thermal Aging on The Conductivity of Kraft Paper Impregnated with Mineral Oil and Synthetic Ester Reviewed

T.Okamoto, D.Okumura, K.Hamasuna, M.Kozako, M.Hikita, M.Tsuchie, M.Maharana, C.Olmo

22nd IEEE International Conference on Dielectric Liquids (ICDL2023)   ( 196 )   2023.06

Partial Discharge Characteristic Analysis in a 6.6 kV Cast Resin Voltage Transformer Using High-Frequency Distributed Constant Equivalent Circuits Reviewed

R.Koresawa, M.Kozako, M.Hikita, Y.Aoki, K.Iida, T.Umemura, D.Ito, K.Oyama, T.Nakamae, T.Maeda, T.Ozaki

2023 Electrical Insulation Conference (EIC)   87 - 91   2023.06

Proposal for Evaluation of Insulation Performance by Partial Discharge Characteristics of Resin Substrates Containing Micro-Sized Multiple Voids Reviewed

D.Okumura, T.Okamoto, M.Kozako, M.Hikita

2023 Electrical Insulation Conference (EIC)   121 - 124   2023.06

Application of ANFIS and ANN for Partial Discharge Localization in Oil Through Acoustic Emission Reviewed International journal

Hashim A.H.M., Azis N., Jasni J., Radzi M.A.M., Kozako M., Jamil M.K.M., Yaakub Z.(プトラ大学・マレーシア）

IEEE Transactions on Dielectrics and Electrical Insulation ( The IEEE Dielectrics and Electrical Insulation society )   30 ( 3 )   1247 - 1254   2023.06

Enhancement of Electrical Insulation Performance using FGM Techniques in Air Insulated HV GIS Reviewed International journal

K.Okamoto, H.Masui, H.Yanase, N.Hayakawa, K.Kato, H.Okubo, M.Kozako, N.Osawa, T.Inoue, K.Adachi

Joint CIGRE SC B3 & A3 Colloquium 2023   ( PS3 )   2023.05

鉱油中における熱および課電加速劣化したポリビニルホルマール線の絶縁特性 Reviewed

善田 優希, 小迫 雅裕, 匹田 政幸, 大久保 祐輔, 下村 好亮, 田中 剛

電気学会論文誌A   143 ( 3 )   98 - 104   2023.03

Online and Offline Partial Discharge Measurement in Rotating Machines using Transient Earth Voltage Sensors Reviewed International journal

Lunnetta Safura Lumba, Akito Houdai, Ryota Koresawa, Tsutomu Kuno, Masahiro Kozako, Masayuki Hikita, Kenta Yonemura

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( B1-3 )   2022.11

AC Partial Discharge Measurements of Aged Cast Resin Transformers after Multiple Impulse Voltage Applications Reviewed International journal

Y.Yao, M.Kozako, R.Koresawa, H.Kawano, M.Hikita, K.Takei, M.Sato, K.Futakawa, H.Sato

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P4-25 )   2022.11

Investigation of saturation moisture in the PD behavior in the biodegradable ester oil Reviewed International journal

M.Maharana, K.Hamasuna, M.Kozako, M.Hikita, M.Tsuchie, K.Wu

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P4-12 )   2022.11

APartial Discharge Degradation Analysis from Light Emission Observation and Partial Discharge Characteristic Measurement by Partial Discharge in Artificial Defects Using Reviewed International journal

Y.Aoki, Y.Takeuchi, T.Sakakihara, K.Ida, T.Umemura, M.Kozako, M.Hikita, T.Nakamae, T.Maeda, T.Ozaki

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P3-25 )   2022.11

A Study of PRPD Statistics to Improve the Performance of PD Detection and Defect Type Identification Reviewed International journal

R.Kai, T.Yamanoue, H.Tanaka, H.Kawano, M.Kozako, M.Hikita

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P3-24 )   2022.11

Investigation on Dominant Frequency of Partial Discharge Current in 6.6 kV Cast Resin Voltage Transformer Reviewed International journal

R.Koresawa, M.Kozako, M.Hikita, Y.Aoki, K.Iida, T.Umemura, T.Nakamae, T.Maeda, T.Ozaki

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P3-21 )   2022.11

Long term on-line PD monitoring using power line communication in a distribution substation Reviewed International journal

A.Houdai, Lunnetta Safura Lumba, T.Wakisaka, M.Kozako, M.Hikita, H.Sato, M.Soeda

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P3-20 )   2022.11

Investigation of Microvoid Detection in Insulating Resin Substrates Based on Partial Discharge Characteristics Reviewed International journal

K.Hamasuna, D.Okumura, M.Kozako, M.Hikita

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P3-17 )   2022.11

Impulse Pre-stress Effect on AC Partial Discharge Inception Characteristics of Winding Model Sample Reviewed International journal

Y.Zenda, M.Kozako, M.Hikita, Y.Fujii, H.Cho, Y.Nakamura

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P3-15 )   2022.11

Electrical Conduction Properties of Titanium Added Aluminum Nitride Substrates at High Temperatures and Electric Fields Reviewed International journal

D.Okumura, K.Hamasuna, M.Kozako, M.Hikita, T.Nagami, K.Yamamoto

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( P2-16 )   2022.11

Study of the Thermal Degradation of Different Insulating Papers Impregnated with a Natural Ester Reviewed International journal

Cristina Méndez Gutiérrez, Cristian Olmo Salas, Carlos Javier Renedo Estébanez, Masahiro Kozako, Masayuki Hikita, Alfredo Ortiz Fernández

9th International Conference on Condition Monitoring and Diagnosis (CMD2022)   ( A2-5 )   2022.11

ボイド含有ポリエステルフィルムの交流部分放電特性に及ぼすインパルス前課電の影響 Reviewed

柳瀬 博雅, 満留 博, 岡本 健次, 小迫 雅裕, 匹田 政幸

電気学会論文誌A   142 ( 9 )   375 - 380   2022.09

High Temperature Dielectric Properties of Aluminum Nitride Substrates with Different Amounts of Titanium Reviewed International journal

D.Okumura, K.Hamasuna, M.Kozako, M.Hikita, T.Nagami, K.Yamamoto

International Workshop on Integrated Power Packaging 2022 (IWIPP)   ( 5011 )   2022.08

大学間連携討論型オンライン授業の実施 Reviewed

宮内 肇, 末廣 純也, 小迫 雅裕, 西田 貴司, 井上 昌睦

工学教育   70 ( 4 )   160 - 164   2022.07

Prediction of Lifetime in Surge Resistant Enamel Twisted Pair by Partial Discharge Degradation under Repetitive Impulse Voltage Application Reviewed

M.Kozako, Y.Zenda, S.Kodama, M.Hikita, N.Hayashizaka, N.Fujimoto, H.Kikuchi

4th IEEE International Conference on Dielectrics (ICD2022)   ( 1b-1 )   2022.07

Insulation Properties of Twisted-pair of Polyvinyl Formal Wires with Artificial Pinhole and Thermal Stress in Mineral Oil Reviewed

Y.Zenda, S.Kodama, M.Kozako, M.Hikita, Y.Okubo, K.Shimomura, T.Tanaka

4th IEEE International Conference on Dielectrics (ICD2022)   ( 3c-6 )   2022.07

Partial Discharge Monitoring and Diagnosis Utilizing Power Line Communication in a Simulated Substation Reviewed

A.Houdai, R.Koresawa, T.Wakisaka1, M.Kozako, M.Hikita, H.Sato, M.Soeda

2022 Electrical Insulation Conference (EIC)   ( PS1-7 )   132 - 135   2022.06

Effect of Winding Insulation Thickness on Partial Discharge Degradation and Life Characteristics of Enamel Twisted Pair Reviewed

S.Kodama, Y.Zenda, M.Kozako, M.Hikita, N.Hayashizaka, H.Kikuchi

2022 Electrical Insulation Conference (EIC)   ( PS2-14 )   225 - 228   2022.06

Partial discharge detection of cast resin transformers using high-frequency signal propagation characteristic analysis and application to diagnostic technology Reviewed

R.Koresawa, M.Kozako, M.Hikita, Y.Aoki, K.Iida, T.Umemura, T.Nakamae, T.Maeda, T.Ozaki, Y.Nakamura

2022 Electrical Insulation Conference (EIC)   ( PS2-4 )   182 - 185   2022.06

AC Partial Discharge Characteristics in Ester Oil/Pressboard Composite Insulation System with Metallic Protrusion Reviewed

K.Hamasuna, M.Kozako, M.Hikita, S.Yoshida, Y.Yamanaka, T.Umemoto

21th IEEE International Conference on Dielectric Liquids (ICDL2022)   ( 108 )   196 - 199   2022.05

ナノコンポジットエナメル線における絶縁破壊までの部分放電特性と周波数加速等価性 Reviewed

竹之内 将, 善田 優希, 小迫 雅裕, 匹田 政幸, 藤本 信貴, 林坂 徳之, 加藤 俊彦, 菊池 英行

電気学会論文誌A   142 ( 5 )   208 - 214   2022.05

Partial Discharge Localization in Oil Through Acoustic Emission Technique Utilizing Fuzzy Logic Reviewed International journal

Ahmad Hafiz Mohd Hashim, Norhafiz Azis, Jasronita Jasni, Mohd Amran Mohd Radzi, Masahiro Kozako, Mohamad Kamarol Mohd Jamil, Zaini Yaakub

IEEE Transactions on Dielectrics and Electrical Insulation   29 ( 2 )   623 - 630   2022.04

位相分解部分放電パターン再構築とニューラルネットワークによる変電所の絶縁診断 Reviewed

藤岡 駿弥, 河野 英昭, 小迫 雅裕, 匹田 政幸, 枝 修, 谷口 修平, 椎名 康晴

電気学会論文誌A   142 ( 3 )   94 - 100   2022.03

エポキシ樹脂のナノシリカ添加および熱処理における二次電子放出特性 Reviewed

小森 あかね, 永田 浩二郎, 佐藤 孔亮, 三宅 弘晃, 田中 康寛, 小迫 雅裕, 匹田 政幸

電気学会論文誌A   142 ( 3 )   118 - 115   2022.03

Development of Innovative Functional Electrical Insulating Composites Reviewed International journal

M.Hikita, M.Kozako

JOURNAL OF Engineering Science and Technology Review   ( 14 )   2022.01

Partial Discharge Degradation Mechanism of Nanocomposite Enameled Twisted Pair under Repetitive Impulse Voltage Application Reviewed

S.Takenouchi, Y.Zenda, M.Kozako, M.Hikita, N.Fujimoto, N.Hayashizaka, T.Kato, H.Kikuchi

2021 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( C-6 )   69 - 72   2021.12

Effect of Temperature on RPDIV of Enamel Twisted Pair under Repetitive Impulse Voltage Application with Different Rise Time Reviewed

Y.Zenda, S.Takenouchi, M.Kozako, M.Hikita T.Okamoto, S.Jintong, A.Izumi, K.Karasawa

2021 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( 3D-10 )   648 - 651   2021.12

Characteristics of Breakdown Strength of Hydrocarbon Thermosetting Resin in Low Temperature Environment Reviewed

T.Matsuki, Y.Inoue, K.Hamasuna, M.Kozako, M.Hikita, N.Fukumoto, N.Kamei

2021 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( 3D-4 )   623 - 626   2021.12

Effects of Nano-micro Composite and Shielding on Flashover Characteristics of Gas Insulated Switchgear Spacer Model in Different Lightning Impulse Application Methods Reviewed

Y.Inoue, M.Kozako, M.Hikita, H.Masui, H.Yanase, K.Okamoto

2021 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( 3A-5 )   471 - 474   2021.12

A Study on Simultaneous Measurements of PD Light Emission and Charge in Resin Substrate Reviewed

K.Hamasuna, M.Kozako, M.Hikita

2021 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( 1C-15 )   307 - 310   2021.12

Volume Effect on AC Dielectric Breakdown Strength of Ester Oil Compared with that of Mineral Oil Reviewed

K.Hamasuna, T.Matsuki, M.Kozako, M.Hikita, S.Yoshida, H.Hamada, T.Umemoto

The 22th International Symposium on High Voltage Engineering(ISH2021)   ( 748 )   2021.11

Research Trends in Online Partial Discharge Monitoring and Diagnosis Utilizing ICT in Electric Power Equipment Invited Reviewed

M.Hikita, M.Kozako

2021 3rd International Conference on High Voltage Engineering and Power Systems (ICHVEPS)   ( PS1-3 )   6 - 13   2021.10

モールド変圧器のインピーダンス周波数特性の解明と部分放電診断手法 Reviewed

柿本 康朝, 小迫 雅裕, 匹田 政幸, 飯田 和生, 梅村 時博, 中村 勇介, 中前 哲夫, 前田 照彦, 尾崎 多文

電気学会論文誌A   141 ( 7 )   420 - 427   2021.07

S6ガス中楔ギャップのインパルス部分放電開始特性に及ぼすエポキシ複合材へのナノフィラー添加の影響 Reviewed

井上 好之, 大角 浩太郎, 小迫 雅裕, 匹田 政幸, 増井 秀好, 満留 博, 柳瀬 博雅, 岡本 健次

電気学会論文誌A   141 ( 6 )   391 - 397   2021.06

Effect of Different Types of Fullerene Addition on AC Dielectric Breakdown Strength of Epoxy Resin Reviewed

Ozuno K., Inoue Y., Kozako M., Hikita M., Igarashi T., Kaji H.

IEEE Transactions on Dielectrics and Electrical Insulation   28 ( 2 )   625 - 629   2021.04

Characteristics of Creepage Discharge in Oil/Pressboard Composite Insulation Reviewed

Yoshida S., Kozako M., Hikita M.

IEEE Transactions on Dielectrics and Electrical Insulation   28 ( 2 )   608 - 615   2021.04

2A15 Implementation of Inter-University Collaborative On-line Discussion Type Class Reviewed

SUEHIRO Junya, KOZAKO Masahiro, MIYAUCHI Hajime, NISHIDA Takashi, INOUE Masayoshi

Proceedings of Annual Conference of Japanese Society for Engineering Education ( Japanese Society for Engineering Education )   2021 ( 0 )   138 - 139   2021.01

Construction and Experimental Verification of Novel Online Partial Discharge Monitoring System Using Power Line Communication Reviewed

Kakimoto Y., Yoshikawa H., Jogo T., Wakisaka T., Kozako M., Hikita M., Sato H., Tagashira H., Soeda M.

IEEE Transactions on Dielectrics and Electrical Insulation   27 ( 6 )   2165 - 2171   2020.12

Digest Report of Cooperative Research Committee on EINA Magazine Publication Reviewed

Y.Kakimoto, H.Yoshikawa, T.Jogo, T.Wakisaka, M.Kozako, M.Hikita, H.Sato, M.Soeda, H.Tagashira

The 2020 International Conference on Condition Monitoring and Diagnosis (CMD2020)   ( 457 )   2020.10

Long-term Online Partial Discharge Trend Monitoring for Cast Resin Transformers in Switchboard Reviewed

Y.Kakimoto, T.Jogo, M.Kozako, M.Hikita, M.Sato, H.Abe, M.Hirokawa, H.Sato

The 2020 International Conference on Condition Monitoring and Diagnosis (CMD2020)   ( 458 )   2020.10

Digest Report of Cooperative Research Committee on EINA Magazine Publication Reviewed

M.Nagao, Y.Inoue, M.Kozako, N.Fuse

2020 International Symposium on Electrical Insulating Materials (ISEIM)   ( DR-8 )   2020.09

Digest Report of Investigating R&D Committee on Electrical Insulation Reliability of Power Modules Reviewed

M.Kozako, N.Kishi, Y.Hayase

2020 International Symposium on Electrical Insulating Materials (ISEIM)   ( DR-4 )   2020.09

Dielectric Breakdown Characteristic of Refining Treatment Fullerene Doped Epoxy Plate-like Specimens Reviewed

K.Agung Satria, K.Ozuno, Y.Inoue, M.Kozako, M.Hikita, Suwarno, U.Khayam, T.Igarashi, H.Kaji

2020 International Symposium on Electrical Insulating Materials (ISEIM)   ( VF-5 )   2020.09

Discharge Inception Characteristics Analysis of Epoxy/Silica Nanocomposites in SF6 Gas Using Volume-time Theory Reviewed

Y.Inoue, K.Ohzuno, M.Kozako, M.Hikita, H.Masui, H.Mitsudome, H.Yanase, K.Okamoto

2020 International Symposium on Electrical Insulating Materials (ISEIM)   ( VL-7 )   2020.09

Examination of Impulse PD Inception Location by Electric Field Analysis in Ester Oil/Pressboard Composite Insulation System Reviewed

T.Yamada, M.Kozako, M.Hikita, S.Yoshida, H.Hamada, T.Umemoto

2020 International Symposium on Electrical Insulating Materials (ISEIM)   ( VL-6 )   2020.09

Optimization of Partial Discharge Detection Sensitivity of Transient Earth Voltage Sensors Using FDTD Modeling Reviewed

S.Hari Wibowo, U.Khayam, Suwarno, Y.Kakimoto, M.Kozako, M.Hikita

2020 International Symposium on Electrical Insulating Materials (ISEIM)   ( VJ-8 )   2020.09

Proposal of Noise Rejection in Automatic Measurement System of Repetitive Partial Discharge Inception Voltage Reviewed

Y.Nishigaki, S.Takenouchi, M.Kozako, M.Hikita, T.Nakamura, J.Sun, A.Izumi, T.Sakurai, K.Karasawa,T.Hirose

2020 International Symposium on Electrical Insulating Materials (ISEIM)   ( VJ-7 )   2020.09

V-t Characteristics of Twisted-pair with Polyvinyle Formal Wires Undergoing Thermal Stress in Mineral Oil Reviewed

M.Hikita, Y.Nishigaki, S.Takenouchi, T.Matsuzoe, M.Kozako, K.Shimomura, S.Kawakami, T.Tanaka

2020 International Conference on Dielectrics (ICD)   130 - 133   2020.07

Impulse Flashover Characteristics in SF Gas for Insulating Spacer Model of GIS Fabricated Using Nano-micro Composites Reviewed

Y.Inoue, K.Abe, K.Ohzuno, M.Kozako, M.Hikita, H.Masui, H.Mitsudome, H.Yanase, K.Okamoto

2020 International Conference on Dielectrics (ICD)   810 - 813   2020.07

Comparison of the Effect of Thermal Aging on Dielectric Properties of Vegetable Oils and Impregnated Kraft Paper Reviewed

C.Méndez Gutiérrez, H.Araki, T.Yamada, M.Tsuchie, M.Kozako, M.Hikita, A.Ortiz Fernández

2020 International Conference on Dielectrics (ICD)   732 - 735   2020.07

Field Grading Material electrodeposition - challenges Reviewed

G.Belijar, L.Fetouhi, M.Kozako, M.Hikita

2020 International Conference on Dielectrics (ICD)   289 - 292   2020.07

Partial Discharge Properties till Breakdown of Boehmite Added Enameled Twisted Pair under Bipolar Repetitive Impulse Voltage Application Reviewed International journal

S.Takenouchi, Y.Nishigaki,T.Matsuzoe, M.Kozako, M.Hikita, N.Fujimoto, N.Hayashizaka, T.Kato, H.Kikuchi

2020 Electrical Insulation Conference (EIC)   ( 2286 )   2020.06

High Temperature Partial Discharge Inception Voltage under Repetitive Impulse Voltage Applied to Motorette Samples Reviewed International journal

Y.Nishigaki, T.Matsuzoe, S.Takenouchi, M.Kozako, M.Hikita, T.Nakamura, S.Jintong, A.Izumi, T.Sakurai, K.Karasawa, S.Hiroshima

2020 Electrical Insulation Conference (EIC)   ( 2287 )   2020.06

前課電による空間電荷蓄積が部分放電開始電圧へ与える影響 Reviewed

美馬 まいみ, 成田 迅宏, 三宅 弘晃, 田中 康寛, 小迫 雅裕, 匹田 政幸

電気学会論文誌A   140 ( 5 )   276 - 284   2020.05

電力線搬送通信を用いた新しいオンライン部分放電監視システムの構築 Reviewed

吉川 雛, 柿本 康朝, 小迫 雅裕, 匹田 政幸, 里 秀文, 田頭 秀樹, 副田 正裕

電気学会論文誌A   140 ( 4 )   261 - 262   2020.04

炭化水素系熱硬化性樹脂の電気絶縁特性に及ぼすフラーレン添加の影響 Reviewed

大角 浩太郎, 阿部 和馬, 小迫 雅裕, 匹田 政幸, 亀井 伸人

電気学会論文誌A   140 ( 4 )   241 - 246   2020.04

Electrical characteristics of double-sided cooling SiC power module using Ni micro plating bonding Reviewed

T.Itose, A.Kawagoe, A.Imakiire, M.Kozako, M.Hikita, K.Tatsumi, T.Iizuka, I.Morisako, N.Sato, K.Shimizu, K.Ueda, K.Sugiura, K.Tsuruta

11th International Conference on Integrated Power Electronics Systems(CIPS)   422 - 427   2020.03

モールド変圧器におけるUHF法および照射X線走査を用いた新規部分放電位置標定 Reviewed

匹田 政幸, 飯田 和生, 梅村 時博, 中村 勇介, 中前 哲夫, 前田 照彦, 東山 雅一

電気学会論文誌A   140 ( 3 )   162 - 168   2020.03

Construction of Novel Online Partial Discharge Monitoring System in Model Power Apparatus Using Power Line Communication Reviewed International journal

H.Yoshikawa, S.Masuda, Y.Kakimoto, N.Puspitasari, Y.Nakano, M.Kozako, M.Hikita, H.Sato, H.Tagashira, K.Ishida

Proceedings of the 21st International Symposium on High Voltage Engineering   1   635 - 642   2019.11

Diagnostics For Vacuum Degree Of Vacuum Interrupter Based On Partial Discharge Mechanisms Under Medium Vacuum Level Reviewed International journal

Y.Nakano, M.Kozako, M.Hikita, T,Tanaka, M.Kobayashi

Proceedings of the 21st International Symposium on High Voltage Engineering   1   673 - 683   2019.11

Propagation Characteristics of Partial Discharge Radiated Electromagnetic Waves for Insulation Diagnosis of Oil-Filled Bushing Reviewed International journal

T.Fujimura, S.Masuda, M.Kozako, M.Hikita, T.Yamamoto, S.Okabe, M.Nakahata

Proceedings of the 21st International Symposium on High Voltage Engineering   1   662 - 672   2019.11

Partial Discharge Measurement and Its High Frequency Characteristics in Cast Resin Transformer Reviewed International journal

T.Fujimura, S.Masuda, M.Kozako, M.Hikita, T.Umemura, K.Iida, Y.Nakamura, T.Nakamae, T.Maeda, M.Higashiyama

Proceedings of the 21st International Symposium on High Voltage Engineering   1   653 - 661   2019.11

Identification Of Partial Discharge Source In Power Apparatus In Practical Substation Utilizing Artificial Neural Network Reviewed International journal

Y.Kakimoto, P.Nuraida, H.Yoshikawa, T.Fujimura, M.Kozako, M.Hikita, O.Eda, Y.Shiina, M.Otsuka, H.Kaneko

Proceedings of the 21st International Symposium on High Voltage Engineering   1   643 - 652   2019.11

Discharge characteristics and mechanisms under the medium vacuum region in a vacuum interrupter Reviewed

Nakano Y., Masuda S., Kozako M., Hikita M., Tanaka T., Kobayashi M.

IEEJ Transactions on Electrical and Electronic Engineering   14 ( 11 )   e1 - e6   2019.11

Investigation for influence of space charge accumulation in motor winding coating material on partial discharge inception voltage Reviewed

T.Narita, M.Mima, H.Miyake, Y.Tanaka, M.Kozako, M.Hikita

2019 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( 6D-2 )   718 - 721   2019.10

Estimation of Electron Trap in Hydrocarbon-Based Thermosetting Resin/Fullerene Composite by Computational Science Reviewed

K.Ohzuno, K.Abe, M.Kozako, M.Hikita, N.Kamei

2019 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( 8-2 )   839 - 842   2019.10

Partial Discharge Inception Voltage Characteristics for Nano-micro Composites under Impulse Voltage in SF6 Gas Reviewed

K.Abe, K.Ohzuno, M.Kozako, M.Hikita, H.Mitsudome, H,Yanase, K.Okamoto

2019 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP)   ( 6D-7 )   738 - 741   2019.10

DetectingVacuum Degree Condition of Vacuum Interrupter by Partial Discharge Measurement Reviewed

A.S.Habibie, M.Hikita, M.Kozako, Y. Nakano, Suwarno, U. Khayam, M.Kobayashi

5th International Conference on Electric Power Equipment -Switching Technology(ICEPE-ST 2019)   ( C-4-1 )   193 - 196   2019.10

Niメッキ接合を用いたSiCパワーモジュールの熱抵抗と過渡熱解析 Reviewed

今給黎明大, 小迫雅裕, 匹田政幸, 巽 宏平, 稲垣雅一, 飯塚智徳, 佐藤信明, 清水孝司, 上田和敏, 杉浦和彦, 鶴田和弘, 戸田敬二

電気学会論文誌D   139 ( 10 )   838 - 846   2019.10

Estimation method of degraded vacuum in vacuum interrupter based on partial discharge measurement Reviewed

Nakano Y., Kozako M., Hikita M., Tanaka T., Kobayashi M.

IEEE Transactions on Dielectrics and Electrical Insulation   26 ( 5 )   1520 - 1526   2019.10

Partial Discharge Waveform Identification using Image with Convolutional Neural Network Reviewed International journal

Puspitasari N., Khayam U., Suwarno , Kakimoto Y., Yoshikawa H., Kozako M., Hikita M.

2019 54th International Universities Power Engineering Conference, UPEC 2019 - Proceedings   2019.09

Construction of Novel Online Partial Discharge Monitoring System in Model Power Apparatus using Power Line Communication Reviewed

H.Yoshikawa, S.Masuda, Y.Kakimoto, N.Puspitasari, Y.Nakano, M.Kozako, M.Hikita, H.Sato, H.Tagashira, K.Ishida

The 21th International Symposium on High Voltage Engineering(ISH2019)   ( 853 )   1 - 8   2019.08

Numerical Simulation For Creepage Discharge In Oil/Pressboard Composite Insulation System With Multiple Pressboards Reviewed

S.Yoshida, T.Yamada, Y.Nakano, M.Kozako, M.Hikita

The 21th International Symposium on High Voltage Engineering(ISH2019)   ( 1096 )   2019.08

Diagnostics For Vacuum Degree Of Vacuum Interrupter Based On Partial Discharge Mechanisms Under Medium Vacuum Level Reviewed

Y.Nakano, M.Kozako, M.Hikita, T,Tanaka, M.Kobayashi

The 21th International Symposium on High Voltage Engineering(ISH2019)   ( 887 )   1 - 11   2019.08

Propagation Characteristics of Partial Discharge Radiated Electromagnetic Waves for Insulation Diagnosis of Oil-Filled Bushing Reviewed

T.Fujimura, S.Masuda, M.Kozako, M.Hikita, T.Yamamoto, S.Okabe, M.Nakahata

The 21th International Symposium on High Voltage Engineering(ISH2019)   ( 881 )   1 - 10   2019.08

Partial Discharge Measurement and Its High Frequency Characteristics in Cast Resin Transformer Reviewed

T.Fujimura, S.Masuda, M.Kozako, M.Hikita, T.Umemura, K.Iida, Y.Nakamura, T.Nakamae, T.Maeda, M.Higashiyama

The 21th International Symposium on High Voltage Engineering(ISH2019)   ( 872 )   1 - 8   2019.08

Identification Of Partial Discharge Source In Power Apparatus In Practical Substation Utilizing Artificial Neural Network Reviewed

Y.Kakimoto, P.Nuraida, H.Yoshikawa, T.Fujimura, M.Kozako, M.Hikita, O.Eda, Y.Shiina, M.Otsuka, H.Kaneko

The 21th International Symposium on High Voltage Engineering(ISH2019)   ( 869 )   1 - 11   2019.08

Effect of lightning impulse prestress on AC partial discharge characteristics in cast resin transformer Reviewed

208 ( 1-2 )   10 - 16   2019.07

Discharge characteristics with impulse voltage application in ester oil/pressboard composite Reviewed

T.Yamada, Y.Nakano, M.Kozako, M.Hikita, S.Yoshida, S.Kainaga, M.Yoshimura, K.Suga

IEEE International Conference on Dielectric Liquids (ICDL2019)   ( 1198 )   2019.06

Temperature Dependence of RPDIV of Motorette Sample with Varnish Treatment Reviewed

Y.Nishigaki, T.Matsuzoe , T.Kubo, Y.Nakano, M.Kozako, M.Hikita, T.Nakamura, J.Sun, A.Izumi, T.Sakurai K.Karasawa, K.Nojima

2019 Electrical Insulation Conference (EIC)   ( P-1-5 )   18 - 21   2019.06

Dielectric and Insulation Propertiesof Polyimide-based Boehmite Nanocomposite Material Reviewed

T.Matsuzoe, N.Kita, Y.Nishigaki,T. Abe, T.Kubo, Y.Nakano, M.Kozako, M.Hikita, N.Fujimoto, N.Hayashizaka, S.Fujimoto, T.Kato

2019 Electrical Insulation Conference (EIC)   ( P-3-1 )   83 - 86   2019.06

Partial discharge detection method for vacuum leakage diagnosis of a vacuum interrupter Reviewed

14 ( 6 )   819 - 824   2019.06

開閉インパルス電圧繰返し重畳と油隙内部の状態が油浸紙-絶縁油複合絶縁系の部分放電特性に与える影響 Reviewed

吉積 弘将, 小迫 雅裕, 匹田 政幸, 藤井 祐樹, 中村 勇介, 長 広明

電気学会論文誌B   139 ( 6 )   446 - 454   2019.06

Development and evaluation of SiC inverter using Ni micro plating bonding power module Reviewed

A.Kawagoe, T.Itose, A.Imakiire, M.Kozako, M.Hikita, K.Tatsumi, T.Iizuka, I.Morisako, N.Sato, K.Shimizu, K.Ueda, K.Sugiura, K.Tsuruta, K.Toda

2019 IEEE International Workshop on Integrated Power Packaging, IWIPP 2019   36 - 39   2019.04

Drastic Change in Non-Linear Resistive Materials I(V) Characteristics Reviewed

Belijar G., Hermette L., Kozako M., Hikita M.

2019 IEEE International Workshop on Integrated Power Packaging, IWIPP 2019   97 - 101   2019.04

High temperature dielectric property of silicon nitride insulating substrate for next generation power module up to 350 degrees Celsius. Reviewed

444 - 448   2019.04

Construction and verification of novel insulation defect location system with high space resolution for next generation power module Reviewed

325 - 328   2019.04

過渡接地電圧法による部分放電信号の低周波成分伝搬メカニズムの考察 Reviewed

吉積 弘将, 小迫 雅裕, 匹田 政幸, 藤井 祐樹, 中村 勇介, 長 広明

電気学会論文誌A   139 ( 3 )   154 - 160   2019.03

マイクロ発泡皮膜電線の部分放電開始電圧に及ぼす巻付け時の機械的ストレスの影響 Reviewed

久保 智洋, 前田 健太, 小迫 雅裕, 匹田 政幸, 福田 秀雄, 池田 佳祐, 冨澤 恵一, 武藤 大介

電気学会論文誌A   139 ( 3 )   161 - 166   2019.03

Volume-Time理論を用いた発泡皮膜線ツイストペアのインパルス部分放電開始電圧の推定 Reviewed

前田 健太, 久保 智洋, 小迫 雅裕, 匹田 政幸, 福田 秀雄, 池田 佳祐, 冨澤 恵一, 武藤 大介

電気学会論文誌A   139 ( 3 )   167 - 173   2019.03

研究調査委員会 レポート:パワーモジュールの電気絶縁信頼性に関する調査専門委員会 Reviewed

小迫 雅裕, 早瀬 悠二, 岸 直哉

IEEJ Transactions on Fundamentals and Materials ( The Institute of Electrical Engineers of Japan )   139 ( 9 )   NL9_4 - NL9_4   2019.01

Study on static electrification of the PFAE-mineral oil mixture Reviewed

Rajab A., Gumilang H., Tsuchie M., Kozako M., Hikita M., Suzuki T.

IOP Conference Series: Materials Science and Engineering   602 ( 1 )   2018.11

Discharge Characteristics and Mechanisms under Medium Vacuum Region in Vacuum Interrupter Reviewed

Y.Nakano, S.Masuda, M.Kozako, M.Hikita, T.Tanaka, M.Kobayashi

The 11th International Workshop on High Voltage engineering (IWHV2018)   ( ED-18-092 SP-18-044 HV-18-126 )   2018.11

Electric Field Relaxation Effect of Micro-varistor/epoxy Composite Reviewed

2018-October   167 - 170   2018.10

Evaluation of Dielectric Strength of Tricyclopentadiene / Silica Microcomposites Reviewed

2018-October   594 - 597   2018.10

Basic Study on Partial Discharge Detection with High Sensitivity using Ferrite Core Reviewed

( P62 )   2018.09

Design and Fabrication of 3-D Cube UHF Antenna for Partial Discharge Detection Reviewed

( P68 )   2018.09

Simulation of Electromagnetic Wave and Surface Current Caused by PD for Seeking Better Detection Sensitivity by TEV Sensor Attached with a Bucket Reviewed

( P12 )   2018.09

Partial Discharge Location in Cast Resin Transformer by Multiple Small Loop Sensors Reviewed

( P64 )   2018.09

Estimation of Internal Pressure of Vacuum Interrupter by Measuring Partial Discharge Current Reviewed

2   611 - 614   2018.09

Discussion on Partial Discharge Measurement Technique of Cable Joint in Three Phase High Voltage Overhead Transmission Line Reviewed

( P61 )   2018.09

Determination of Type of Partial Discharge in Cubicle-Type Gas Insulated Switchgear (C-GIS) using Artificial Neural Network Reviewed

( P10 )   2018.09

Determination of Partial Discharge Location in Stator Core using Loop Sensors Reviewed

( P175 )   2018.09

Consideration of Generation Mechanism of Low Frequency Component of Partial Discharge Signal Detected by Transient Earth Voltage Reviewed

( P63 )   2018.09

Classification of Partial Discharge Sources using Waveform Parameters and Phase-Resolved Partial Discharge Pattern as Input for the Artificial Neural Network Reviewed

( P9 )   2018.09

モールド変圧器の交流部分放電特性に及ぼす雷インパルスプレストレスの影響 Reviewed

丸山 裕史, 松尾 賢介, 小迫 雅裕, 匹田 政幸, 飯田 和生, 梅村 時博, 中村 勇介, 中前 哲夫, 前田 照彦, 東山 雅一

電気学会論文誌A   138 ( 8 )   422 - 427   2018.08

Impedance Network Modeling of non-linear Restistive Material Reviewed

( 203 )   2018.07

Partial Discharge Inception Voltage of Enameled Cellular Wire under Impulse Voltage Reviewed

( 3 )   2018.07

Influence of Electromagnetic Sensor Location on Repetitive Partial Discharge Inception Voltage in Actual Stator Core of Inverter Fed Motor Reviewed

435 - 438   2018.06

Properties of thermally aged natural esters used as insulating liquid Reviewed

10 ( 2 )   220 - 231   2018.06

PD behaviors of monoester insulating oil under different moisture contents Reviewed

16 ( 2 )   481 - 487   2018.04

Simulation of Electrical Characteristics for Misalignment of Coil in Wireless Power Transfer System Using Repeating Coil Reviewed

A.Imakiire, H.Tokunaga, A.Kawagoe, M.Kozako, M.Hikita

The 6th IIAE International Conference on Industrial Application Engineering 2018( ICIAE2018)   ( 18 )   81 - 88   2018.03

Novel Partial Discharge Location Algorithm for Next Generation Power Module using Small Loop Sensors Reviewed

J.Maki, Y.Akinaga, M.Kozako, M.Hikita, Y.Nakamura, K.Taniguchi, Y.Ikeda, K.Okamoto

10th International Conference on Integrated Power Electronics Systems(CIPS)   ( P2.12 )   186 - 191   2018.03

Dielectric Properties and Partial Discharge Inception Voltage of Aluminum Nitride Insulating Substrate at High Temperatures Reviewed

T.Abe, M.Suenaga, A.Imakiire, M.Kozako, M.Hikita, H.Shiota, T.Nishimura, H.Muto

10th International Conference on Integrated Power Electronics Systems(CIPS)   ( P2.6 )   155 - 160   2018.03

Thermal Characteristic Evaluation and Transient Thermal Analysis of Next-generation SiC Power Module at 250 °C Reviewed

A.Imakiire, M.Kozako, M.Hikita, K.Tatsumi, M.Inagaki, T.Iizuka, H.Narimatsu, N.Sato, K.Shimizu, K.Ueda, K.Sugiura, K.Tsuruta, M.Iida, K.Toda

10th International Conference on Integrated Power Electronics Systems(CIPS)   ( P2.9 )   174 - 179   2018.03

Aging properties of monoesters and comparison with tri-ester and mineral oil Reviewed

Rajab A., Tsuchie M., Kozako M., Hikita M., Suzuki T.

2017 IEEE 19th International Conference on Dielectric Liquids, ICDL 2017   2017-January   1 - 4   2017.11

Examination on Permittivity Estimation of Hydrocarbon-based Thermosetting Resin based on Quantum Chemical Calculation Reviewed

Fuchi Yuki, Nakasako Ryota, Kozako Masahiro, Hikita Masayuki, Kamei Nobuhito

IEEJ Transactions on Fundamentals and Materials   137 ( 11 )   626 - 631   2017.11

PD Pattern of Various Defects measured by TEV sensor Reviewed

H.Prasetia, U.Khayam, Suwarno, A.Itose, M.Kozako, M.Hikita

International Conference on High Voltage Engineering and Power Systems (ICHVEPS2017)   ( TS1-3 )   12 - 17   2017.10

Basic study on measurement of electromagnetic waves emitted by partial discharge in cable joint for high voltage overhead transmission Reviewed

2   547 - 550   2017.09

Comparison of insulation characteristics in electrode system with silica filled hydrocarbon-based thermosetting resin Reviewed

2   532 - 534   2017.09

Digest Report of Investigating R&D Committee on Advancing Tailor-made Composite Insulation Materials Reviewed

( DR-5 )   xiv   2017.09

Digest Report of Cooperative Research Committee on EINA Magazine Reviewed

( DR-1 )   x   2017.09

Repetitive Impulse Voltage Supply and Automatic RPDIV Measuring System Reviewed

( DM-7 )   794 - 795   2017.09

The influence of switching impulse voltage superimposition on partial discharge characteristics of oil impregnated paper insulation system and conditions inside its oil gap defect Reviewed

1   399 - 402   2017.09

Sensitivity characteristics of partial discharge electromagnetic sensor located in stator core Reviewed

2   680 - 683   2017.09

Propagation characteristics of acoustic wave induced by partial discharge in IGBT module Reviewed

2   668 - 671   2017.09

Preparation of fullerene/epoxy resin composite with fine dispersion and its breakdown strength Reviewed

2   654 - 656   2017.09

Permittivity estimation of hydrocarbon-based thermosetting resin using quantum chemical calculation Reviewed

2   524 - 527   2017.09

Influence of electrode interface on insulation property of hydrocarbon-based thermosetting composite with silica filler Reviewed

2   528 - 531   2017.09

Grounding effect on transient earth voltage signal induced by partial discharge in metal box model Reviewed

2   555 - 558   2017.09

Evolution of PD properties till breakdown in silicon nitride substrate molded with resin Reviewed

2   664 - 667   2017.09

Effects of tracking and erosion resistance of nano-boehmite added silicone rubber Reviewed

1   29 - 31   2017.09

到達時間差法を用いたパワーモジュール内部の部分放電発生位置評定の高精度化検討 Reviewed

秋永優也, 真木洵耶, 満留博, 小迫雅裕, 匹田政幸, 岡本健次, 池田良成, 谷口克己, 中村瑤子

スマートプロセス学会誌   6 ( 5 )   175 - 180   2017.09

AC Partial Discharge Characteristics and Accumulation Charge after Lightning Impulse in Cast Resin Transformer Reviewed

H.Maruyama, M.Kozako, M.Hikita, K.Iida, T.Umemura, Y.Nakamura, T.Maeda, M.Higashiyama, T.Nakamae

The 20th International Symposium on High Voltage Engineering(ISH2017)   ( 416 )   1 - 5   2017.08

PARTIAL DISCHARGE INCEPTION VOLTAGE MEASUREMENT AND ITS ESTIMATION BY VOLUME-TIME THEORY FOR SF6/PET INSULATED WEDGE GAP UNDER IMPULSE VOLTAGE Reviewed

K.Maeda, M.Kozako, M.Hikita, S.Yoshida, T.Chigiri

The 20th International Symposium on High Voltage Engineering(ISH2017)   ( 441 )   1 - 6   2017.08

Dielectric properties and creepage discharge of epoxy/silica nanocomposite in mineral oil Reviewed

19th IEEE International Conference on Dielectric Liquids 2014 (ICDL2017)   2017-January ( 1196 )   1 - 4   2017.06

Aging Properties of Monoesters and Comparison with Tri-ester and Mineral Oil Reviewed

A.Rajab, M.Tsuchie, M.Kozako, M.Hikita, T.Suzuki

19th IEEE International Conference on Dielectric Liquids 2014 (ICDL2017)   ( 1201 )   2017.06

Electrical insulation performance evaluation of PVF wire under thermal and electrical accelerated aging Reviewed

19th IEEE International Conference on Dielectric Liquids 2014 (ICDL2017)   2017-January ( 1180 )   1 - 4   2017.06

Effect of discharge trace on creeping discharge characteristics in oil/pressboard composite insulation system under impulse voltage application Reviewed

2017-January ( 1126 )   1 - 5   2017.06

High accuracy partial discharge location in power module using multiple loop sensors Reviewed

( 1009 )   2017.04

Investigation of prototype SiC power module structure for low inductance and high heat operation Reviewed

IEEE International Workshop On Integrated Power Packaging (IWIPP2017)   ( 1032 )   2017.04

Evaluation on Applicability to Electrical Insulating Material of Hydrocarbon-Based Thermosetting Resin Reviewed

100 ( 4 )   83 - 90   2017.04

Effect of White Discharge Trace on Impulse Creeping Discharge Characteristics in Oil/Pressboard Composite Insulation System Reviewed

Akahoshi Takao, Jang Kyunghoon, Kozako Masahiro, Hikita Masayuki, Kainaga Soichiro, Yoshida Shigeyoshi, Umemoto Takahiro, Yoshimura Manabu, Tsurimoto Takao

IEEJ Transactions on Fundamentals and Materials   137 ( 4 )   188 - 195   2017.04

Impulse creepage discharge properties of solid coated pressboard/oil composite insulation with rod-plane electrode system Reviewed

IEEJ Transactions on Fundamentals and Materials   137 ( 2 )   113 - 118   2017.02

Non-empirical (ab initio) molecular orbital method Reviewed

345 - 351   2017.01

Low thermal fault gases of various natural monoesters and comparison with mineral oil Reviewed

23 ( 6 )   3421 - 3428   2016.12

Experimental Verification of Operation and Method of Decision of Maximum DC Link Voltage in Wireless Power Transfer System Reviewed

IEEE TENCON 2016 - Technologies for Smart Nation   797 - 800   2016.11

Dependence of Silica Nano Filler added to Epoxy Resin on Creepage Discharge Properties in Mineral Oil Reviewed

10th International Workshop on High Voltage Engineering and 2016 Japan-Korea Joint Symposium on Electrical Discharge and High Voltage Engineering (IWHV2016 & JK2016)   ( ED-16-116 SP-16-045 HV-16-101 )   Vol.1,73 - Vol.1,76   2016.11

EARLY DETERIORATION OF PALM FATTY ACID ESTERS (PFAE) OIL Reviewed

10th International Workshop on High Voltage Engineering and 2016 Japan-Korea Joint Symposium on Electrical Discharge and High Voltage Engineering (IWHV2016 & JK2016)   ( ED-16-142 SP-16-071 HV-16-127 )   Vol.2,37 - Vol.2,40   2016.11

Comparison of Electrical Insulation Properties of Hydrocarbon-based - Thermosetting Resin and Epoxy Resin Reviewed

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2016)   ( 3A-18 )   133 - 136   2016.10

Partial Discharge and Breakdown Characteristics of Inverter-fed Motor Winding with Micro Cellular Coating Reviewed

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2016)   ( 4B-36 )   482 - 485   2016.10

Partial Discharge Properties of Resin Molded Insulation Substrate after Long Term Voltage Application Reviewed

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2016)   ( 4B-29 )   453 - 456   2016.10

Comparison of Sensor Detection Sensitivity in Repetitive Partial Discharge Inception Voltage Measurement for Twisted Pair Placed in Stator Reviewed

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2016)   ( 3C-19 )   239 - 242   2016.10

Partial Discharge Detection and Induced Surface Current Analysis Using Transient Earth Voltage Method for High Voltage Equipment Reviewed

The 2016 International Conference on Condition Monitoring and Diagnosis (CMD2016)   ( P1-27 )   455 - 459   2016.09

Degradation Diagnosis of Electrical Insulation Performance of 6.6 kV Class Epoxy Resin Insulator Contaminated with Iron Powder and Moisture Reviewed

The 2016 International Conference on Condition Monitoring and Diagnosis (CMD2016)   ( P2-52 )   803 - 806   2016.09

Partial Discharge Characteristics of Oil Impregnated Paper Insulation System with Oil Gap under Repetive Impulse Voltage Superimposed on AC Voltage Reviewed

The 2016 International Conference on Condition Monitoring and Diagnosis (CMD2016)   ( P1-43 )   522 - 525   2016.09

Development of Diagnostic Methods for Vacuum Leakage from Vacuum Interrupter by Partial Discharge Detection Reviewed

27th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV2016)   ( C1-P-21 )   611 - 614   2016.09

Partial Discharge Characteristics Of Wedge-Shaped Gap Between Coated Electrodes In SF6 Under Lightning Impulse Voltage Reviewed

21st International Conference on Gas Discharges and Their Applications (GD2016)   ( B6 )   301 - 304   2016.09

Effects of Various Parameters on Movement of Inorganic Particles in Epoxy Liquid under Electric Field Reviewed

IEEJ Transactions on Fundamentals and Materials   136 ( 9 )   586 - 591   2016.09

Basic study on partial discharge location in power module Reviewed

Mitsudome H., Akinaga Y., Matsuo K., Kozako M., Hikita M., Ikeda Y., Taniguchi K., Nakamura Y., Okamoto K.

Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016   1   451 - 454   2016.08

Effect of Permittivity Variation on Surface Flashover of GIS Epoxy Spacer Model in SF6 Gas Reviewed

International Conference on Dielectrics (ICD2016)   ( 1-10 )   96 - 99   2016.07

PD Properties and Gases Generated by Palm Fatty Acids Esters (PFAE) Oil Reviewed

International Conference on Dielectrics (ICD2016)   ( 6-4 )   816 - 819   2016.07

Simulation Analysis of Surface Current as TEV signal caused by Partial Discharge on Post Insulator in Bus Duct Reviewed

International Conference on Dielectrics (ICD2016)   ( 5a-8 )   480 - 484   2016.07

Impulse and Subsequent AC Partial Discharge Properties in Cast Resin Transformer Reviewed

International Conference on Dielectrics (ICD2016)   ( 5a-2 )   455 - 458   2016.07

Basic Study on Partial Discharge Location in Power Module Reviewed

International Conference on Dielectrics (ICD2016)   ( 5a-1 )   451 - 454   2016.07

Study on Streaming Electrification Properties of Palm Fatty Acid Ester (PFAE) Oil due to Aging Reviewed

International Conference on Dielectrics (ICD2016)   ( 3b-4 )   410 - 413   2016.07

Nano SiO2/epoxy Coating Effect on Creepage Discharge Characteristics in Oil/Pressboard Composite Insulation System Reviewed

International Conference on Dielectrics (ICD2016)   ( 3a-5 )   394 - 397   2016.07

Effect of Discharge Trace Formation on Creepage Discharge Characteristics in Oil/Pressboard Composite Insulation System under Impulse Voltage Application Reviewed

International Conference on Dielectrics (ICD2016)   ( 4-11 )   342 - 345   2016.07

Evaluation on Applicability to Electrical Insulating Material of Hydrocarbon-based Thermosetting Resin Reviewed

IEEJ Transactions on Fundamentals and Materials   136 ( 5 )   324 - 329   2016.05

Simulation on the microvaristor chain formation in liquid epoxy under electric field Reviewed

D.Komesu, M.Mori, S.Ishibe, M.Kozako, M.Hikita

IEEE Transactions on Dielectrics and Electrical Insulation   23 ( 1 )   216 - 221   2016.02

Characteristics of Discharge Inception across Barrier in the Oil/Pressboard Composite Insulation System Reviewed

vol.136 ( No.2 )   105 - 106   2016.02

Study on PD Properties of Palm Fatty Acids Esters Oil Reviewed

A.Rajab, M.Tsuchie, M.Kozako, M.Hikita, T. Suzuki

International Symposium on EcoTopia Science 2015   2015.11

Impulse Creepage Discharge Properties of Solid Coated Pressboard/Oil Composite Insulation with rod-plane Electrode System Reviewed

K. H. Jang, T. Akahoshi, M. Kozako, M. Hikita

2015 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   ( O-003 )   2015.11

Partial Discharge Inception Voltage and Breakdown Voltage of Micro Cellular Resin Reviewed

N.Yanaze, M.Kozako, M.Hikita, K.Tomizawa, M.Ohya

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2015)   ( 4B-13 )   370 - 373   2015.10

Repetitive Impulse Voltage Generator Development and Waveform Analysis for Testing Insulation Dignity of Inverter-fed Low Voltage Motor Reviewed

M.Hikita, K.Nakamura, M.Kozako, T.Ueno, S.Fukumoto, K.Nakayama, T.Sakurai, T.Ikegami, T.Yoshimitsu, T.Hirose, S.Hiroshima

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2015)   ( 4B-14 )   374 - 378   2015.10

Partial Discharge Characteristics of Epoxy Composite with Micro-meter Size Hollow Glass Particles Reviewed

T.Hori, N.Yanaze, M.Kozako, M.Hikita, J.Wada, S.Okabe

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2015)   ( 4B-12 )   366 - 369   2015.10

Effect of Thin Solid Layer Coating on Creepage Discharge Characteristics in Oil/Pressboard Composite Insulation System Reviewed

K.H.Jang, S.Yoshida, M.Kozako, M.Hikita

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2015)   ( 8C-5 )   832 - 835   2015.10

Partial Discharge Detection by TEV Sensors and Signal Propagation Analysis in Transformer Model Reviewed

A.Itose, Y.Tai, M.Kozako, M.Hikita

19th International Symposium on High Voltage Engineering (ISH)   ( 567 )   2015.08

Study on Static Electrification of Palm FattyAcid Ester (PFAE) Oil Reviewed

H.Gumilang, M.Tsuchie, M.Kozako, M.Hikita, A.Rajab, T.Suzuki, S.Hatada, A.Kanetani, H.Futakuchi, U.Khayam Suwarno

The 5th International Conference on Electrical Engineering and Informatics 2015 (ICEEI2015)   ( 43 )   234 - 237   2015.08

Design of Dipole Antenna Model for Partial Discharge Detection in GIS Reviewed

K.Khotimah, U.Khayam, Suwarno, Y.Tai, M.Kozako, M.Hikita

The 5th International Conference on Electrical Engineering and Informatics 2015 (ICEEI2015)   ( 36 )   196 - 201   2015.08

Electrical Insulation Properties Evaluation of Poly-tricyclopentadiene under High Temperature Reviewed

K.Yoshida, M.Kozako, S.Ishibe, M.Hikita, N.Kamei

11th International Conference on The Properties and Applications of Dielectric Materials (ICPADM2015)   ( SC0-17 )   2015.07

Comparison of Low Thermal Fault Gases of Various Fatty Acid Mono Esters Reviewed

A.Rajab, M.Tsuchie, M.Kozako, M.Hikita, S.Hatada, T.Suzuki, A.Kanetani

11th International Conference on The Properties and Applications of Dielectric Materials (ICPADM2015)   ( MD1-2 )   2015.07

Electric Field Grading of Gas Insulated Switchgears with Microvaristor Composites Reviewed

N.Matsuoka, D.Komes, M.Mori, M.Kozako, M.Hikita, S.Ishibe

11th International Conference on The Properties and Applications of Dielectric Materials (ICPADM2015)   ( IE2-4 )   2015.07

Partial Discharge Inception Voltage of Pressurized Gas Insulation Encapsulation Used for High-Temperature and High-Voltage Power Module Reviewed

H.Mitsudome, K.Koyanagi, A.Imakiire, M.Kozako, M.Hikita, Z.Valdez-Nava, S.Dinculescu, T.Lebey

The 11th IEEE International Conference on Power Electronics and Drive Systems (PEDS 2015)   ( 387 )   118 - 121   2015.06

Characterization of Contactless Power Transfer System and Investigation of Core Shape for AGV Application of Enamel Coating Ribbon Wire Used for Low-Voltage Motors Reviewed

T.Kojima, H.Tanabe, A.Imakiire, K.Fuji, M.Kozako, M.Hikita, Y.Imoto, K.Honda

The 11th IEEE International Conference on Power Electronics and Drive Systems (PEDS 2015)   ( 284 )   703 - 706   2015.06

Comparison Performance of Si-IGBT and SiC-MOSFET Used for High Efficiency Inverter of Contactless Power Transfer System Reviewed

H.Tanabe, T.Kojima, A.Imakiire, K.Fuji, M.Kozako, M.Hikita

The 11th IEEE International Conference on Power Electronics and Drive Systems (PEDS 2015)   ( 419 )   707 - 710   2015.06

Evaluation of Novel Impulse Voltage Generator for Qualification Test of IEC60034-18-42 Reviewed

T.Ueno, H.Nakaya, M.Kozako, M.Hikita, T.Tsuda, T.Kisakibaru, T.Yoshimitsu, T.Hirose, S.Hiroshima

2015 IEEE Electrical Insulation Conference (EIC2015)   ( P2-18 )   297 - 300   2015.06

Effect of X-ray Irradiation on Partial Discharge Inception and Extinction Characteristics in Cast Resin Reviewed

A.Inatomni, M.Kozako, M.Hikita, K.Iida, T.Umemura, Y.Nakamura, T.Maeda, M.Higashiyama

2015 IEEE Electrical Insulation Conference (EIC2015)   ( 24.4 )   575 - 578   2015.06

エナメル皮膜リボン線の部分放電開始電圧特性と発生箇所の同定 Reviewed

中屋 裕貴, 小迫 雅裕, 匹田 政幸, 冨澤 恵一, 大矢 真, 武藤 大介

電気学会論文誌A   vol.135 ( No.2 )   107 - 112   2015.02

オレフィン系熱硬化性ポリジシクロペンタジエンとエポキシ樹脂の誘電特性の比較 Reviewed

増崎 裕季, 大木 義路, 田 付強, 小迫 雅裕, 亀井 伸人

電気学会論文誌A   vol.135 ( No.2 )   82 - 87   2015.02

エポキシ中のµバリスタ粒子チェーン制御法に関する検討 Reviewed

森 匡史, 米須 大吾, 小迫 雅裕, 匹田 政幸, 石辺 信治

電気学会論文誌A   vol.135 ( No.2 )   115 - 116   2015.02

Comparative study of partial discharge characteristics and dissolved gas analysis on palm-based oil as insulating material Reviewed International journal

A.Susilo, J.Muslim, M.Hikita, M.Kozako, M.Tsuchie, Y.Arief, N.Muhamad, T.Suzuki, S.Hatada, A.Kanetani, T.Kano, Suwarno, U.Khayam

2nd IEEE Conference on Power Engineering and Renewable Energy 2014(ICPERE)   ( 10B2-4 )   232 - 236   2014.12

ナノフィラーが拓く新しい絶縁材料の世界

今井隆浩, 栗本宗明, 小迫雅裕, 水谷嘉伸, 田中祀捷

Polyfile ( 株式会社大成社 )   51 ( 609 )   50 - 55   2014.11

Partial Discharge Phenomena in Medium Vacuum Region of Vacuum Interrupter and Application to Fault Diagnosis Reviewed

T.Nakaoka, Y.Tai , M.Kozako, M.Hikita, M.Kamarol, K.Sato, N.Tetsu, H.Urai, K.Tsuchiya

The 9th International Workshop on High Voltage Engineering (IWHV)   Vol.2 ( ED-14-118 SP-14-74 HV-14-130 )   57 - 62   2014.11

Partial Discharge Inception Voltage Measurement and Location Identification of Enamel Coating Ribbon Wire Used for Low-Voltage Motors Reviewed

N.Yanaze, N.Nakaya, M.Hikita, M.Kozako, K.Tomizawa, M.Ohya

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2014)   ( 3B-12 )   192 - 195   2014.10

Simulation on the Formation of Microvaristor Chains in Liquid Epoxy Resin Under Electric Field Reviewed

D.Komesu, M.Mori, S.Ishibe, M.Kozako, M.Hikita

IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2014)   ( 8A-7 )   691 - 694   2014.10

Development of Partial Discharge Detection and Diagnostic Methods of Vacuum Circuit Breaker Reviewed

T.Nakaoka, K.Mohamad, M.Kozako, M.Hikita, K.Sato, N.Tetsu, H.Urai, K.Tsuchiya

26th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV2014)   ( C1-P-154 )   485 - 488   2014.09

Construction of Measurement System of PD Phenomena in Medium Vacuum Region of Vacuum Interrupter Reviewed

M.Kamarol, T.Nakaoka, M.Kozako, M.Hikita, K.Sato, N.Tetsu, H.Urai, K.Tsuchiya

26th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV2014)   ( C1-P-176 )   489 - 492   2014.09

Study on Detection Signal Identification of Prototype Online Partial Discharge Monitoring and Diagnosis System in High Voltage Electric Equipment Reviewed

Y.Tai, N.Yasukochi, M.Kozako, M.Hikita, A.Suizu, N.Yamamura

The 2014 International Conference on Condition Monitoring and Diagnosis (CMD2014)   ( OF-04 )   443 - 446   2014.09

Fundamental Characteristics of Repetitive Impulse Generator for Detecting Partial Discharge Reviewed

T.Ueno, H.Nakaya, M.Kozako,M.Hikita, T.Ikegami, T.Yoshimitsu, T.Hirose, S.Hiroshima

5th Euro Asian Pulsed Power Conference   ( P1-23 )   2014.09

Characteristics of Discharge Progress across Barrier in the Oil/Pressboard Composite Insulation System under Impulse Voltage Application Reviewed

S.Yoshida1, M.Kozako, M.Hikita, T.Umemoto, S.Kainaga, H.Muto, T.Tsurimoto

18th IEEE International Conference on Dielectric Liquids 2014 (ICDL2014)   ( 156 )   2014.06

Characteristics of Partial Discharge in the Oil Gap Separated by Pressboard Barrier in Oil/Pressboard Composite Insulation System Reviewed

T.Umemoto, S.Kainaga, H.Muto, T.Tsurimoto, S.Yoshida, M.Kozako, M.Hikita

18th IEEE International Conference on Dielectric Liquids 2014 (ICDL2014)   ( 154 )   2014.06

Study on Influence of Oxidation on Static Electrification in Transformer Oil Reviewed

K.Shima, M.Tsuchie, M.Kozako, M.Hikita, Y.Gosho

18th IEEE International Conference on Dielectric Liquids 2014 (ICDL2014)   ( 159 )   2014.06

Study on The Formation of Microvaristor Chains in Composite Varistors and Their Electrical Characteristics Reviewed

M.Mori, D.Komesu, S.Ishibe, M.Kozako, M.Hikita

2014 IEEE Electrical Insulation Conference (EIC2014)   ( S15-4 )   483 - 487   2014.06

Characteristics of Discharge Generation across Insulation Barrier in the Oil/Pressboard Composite Insulation Systems Reviewed

S.Yoshida, M.Kozako, M.Hikita, T.Umemoto, S.Kainaga, H.Muto, T.Tsurimoto

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( VA12 )   225 - 228   2014.06

Effects of Nano-alumina Hydrate Coating for Conductive Fillers on Dielectric Properties of Epoxy Composite Materials Reviewed

M.Kozako, M.Hikita, M.Sato, G.Sato, Z.Valdez-Nava, S.Diaham, T.Lebey

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( C5 )   77 - 80   2014.06

Evaluation of Partial Discharge Inception Voltage of Bonding-less Gas Insulation Packaging for High Temperature and High Voltage Power Module Reviewed

K.Koyanagi, A.Yamane, A.Imakiire, M.Kozako, M.Hikita, S.Dinculescu, Z.Valdez-Nava, T.Lebey

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( VB17 )   425 - 428   2014.06

Dielectric Properties of Olefin-based Thermosetting Resin for Application to Electrical Insulating Material Reviewed

K.Yoshida, M.Kozako, S.Ishibe, M.Hikita, N.Kamei

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( VB5 )   378 - 380   2014.06

Comparison of Dielectric Properties among Polydicyclopentadiene Resin, Epoxy Resin and Their Composites with Microsized SiO2 Fillers Reviewed

Yuki Masuzaki, Yoshimichi Ohki, and Masahiro Kozako

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( VB4 )   374 - 377   2014.06

Orientation Effect of Nano-Alumina Coated Conductive Fillers on Dielectric Properties of Epoxy Composites Reviewed

K.Ushijima, M.Kozako, M.Hikita

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( PA10 )   323 - 326   2014.06

Effects of Motorette Structure and Vanish Treatment on Repetitive Partial Discharge Inception Voltage Measurement Test in Inverter Surge Insulation Reviewed

H.Nakaya, N.Yanaze, M.Kozako, M.Hikita, T.Ueno, T.Yoshimitsu, K.Nakayama, T.Sakurai, T.Hirose, S.Hiroshima

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( VA23 )   268 - 271   2014.06

Study of Direction Identification of Partial Discharge Using Multi Small Loop Sensors Reviewed

A.Inatomi, S.Makki, M.Kozako, M.Hikita, T.Umemura, K.Iida, Y.Nakamura, T.Hirose, T.Maeda, M.Higashiyama

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( VA17 )   245 - 248   2014.06

UHF Sensor Optimization Used for Detecting Partial Discharge Emitted Electromagnetic Wave in Gas Insulated Switchgear Reviewed

I.Suprianto,U.Khayam, Suwarno, K.Nishigouchi, M.Kamaro, M.Kozako, M.Hikitao

2014 International Symposium on Electrical Insulating Materials (ISEIM2014)   ( VA13 )   229 - 232   2014.06

Modeling of Early Stage Partial Discharge and Overheating Degradation of Paper-oil Insulation154 kV GIS Using Electromagnetic Wave Propagation Simulation Reviewed

M.Tsuchie, M.Kozako, M.Hikita, E.Sasaki

IEEE Transactions on Dielectrics and Electrical Insulation   21 ( 3 )   1342 - 1349   2014.06

Basic Investigation of Epoxy Resin Coatings with Dispersed Carbon Nanotubes Reviewed

97 ( 6 )   24 - 32   2014.06

A New Concept Varistor With Epoxy/Microvaristor Composite Reviewed

S.Ishibe, M.Mori, M.Kozako, M.Hikita

IEEE Transactions on Power Delivery   29 ( 2 )   677 - 682   2014.04

Evaluation of Detection Signal Characteristics on Prototype Online Partial Discharge Monitoring and Diagnosis System in High Voltage Electric Equipment Reviewed

Y.Tai, N.Yasukochi, M.Kozako, M.Hikita, A.Suizu, N.Yamamura

International Symposium on EcoTopia Science 2013   ( 1296 )   2013.12

Barrier Effect on Creeping Discharge under Impulse Voltage Application in Oil/Pressboard Composite Insulation System Reviewed

S.Yoshida, M.Kozako, M.Hikita, T.Umemoto, S.Kainaga, H.Muto, T.Tsurimoto

International Symposium on EcoTopia Science 2013   ( 1298 )   2013.12

Co-fired AlN-TiN assembly as a new substrate technology for high-temperature power electronics packaging Reviewed

Ceramics International   39 ( 8 )   8743 - 8749   2013.12

Effect of the presence of epoxy spacer on transmission rate of electromagnetic wave propagating through T-branch of 66 kV GIS model tank Reviewed

U.Khayam, M.Kozako, M.Hikita, T.Hoshino, S.Maruyama, J.Wada, S.Okabe

IEEE Transactions on Dielectrics and Electrical Insulation   20 ( 6 )   2254 - 2261   2013.12

Waveform Estimation of Particle Discharge Currents in Straight 154 kV GIS Using Electromagnetic Wave Propagation Simulation Reviewed

K.Nishigouchi, M.Kozako, M.Hikita, T.Hoshino, S.Maruyama, T.Nakajima

IEEE Transactions on Dielectrics and Electrical Insulation   20 ( 6 )   2239 - 2245   2013.12

Partial Discharge Inception Voltage of Enamel Twisted-pair Samples with Several Laminated Insulation layers Reviewed

H.Nakaya, M.Kozako, M.Hikita, M.Ohya, D.Muto, K.Tomizawa

IEEE Conference on Electrical Insulation and Dielectric Phenomena   ( 8B-29 )   1270 - 1273   2013.10

Evaluation of Novel Impulse Voltage Generator for Detecting Partial Discharge Reviewed

T.Ueno, H.Nakaya, M.Kozako, M.Hikita, T.Ikegami, T.Sakurai, H.Ogawa, T.Kisakibaru, S.Yamada, T.Yoshimitsu, T.Hirose, S.Hiroshima

IEEE Conference on Electrical Insulation and Dielectric Phenomena   ( 8B-15 )   1213 - 1216   2013.10

Enhanced Bowtie UHF Antenna for Detecting Partial Discharge in Gas Insulated Substation Reviewed

J.Muslim, A.Susilo, K.Nishigouchi, M.Kozako, M.Hikita, Y.Z.Arief, U.Khayam, Suwarno

2013 48th International Universities' Power Engineering Conference (UPEC)   ( 97 )   2013.09

Investigation of partial discharge characteristics induced by X-ray irradiation in artificial cavity in epoxy resin Reviewed

Electrical Engineering in Japan   184 ( 4 )   1 - 9   2013.09

Characteristics of Creepage Discharge under Impulse Voltage Application in Oil/Pressboard Composite Insulation System Reviewed

S.Yoshida, N.Morita, M.Kozako, M.Hikita, T.Umemoto, S.Kainaga, H.Muto, T.Tsurimoto

18th International Symposium on High Voltage Engineering (ISH)   ( PC-15 )   635 - 640   2013.08

Current Waveform Estimation of PD in Straight 154 kV GIS Using Electromagnetic Wave Propagation Simulation Reviewed

K.Nishigouchi, M.Kozako, M.Hikita, T.Hoshino, S.Maruyama, T.Nakajima

18th International Symposium on High Voltage Engineering (ISH)   ( PD-30 )   1031 - 1036   2013.08

Electrical Characteristics and Voltage Limiting Effect of Epoxy/ZnO-particle Composite Varistors Reviewed

M.Mori, S.Ishibe, M.Kozako, M.Hikita

18th International Symposium on High Voltage Engineering (ISH)   ( OE1-05 )   1166 - 1171   2013.08

Study on Static Electrification of Aged Oil and Restrain Mechanism of BTA through Acceleration Test Reviewed

K.Shima, M.Tsuchie, M.Kozako, M.Hikita, H.Fukuda

18th International Symposium on High Voltage Engineering (ISH)   ( OE6-05 )   1338 - 1342   2013.08

Effects of Addition of Nano-scale Silica Filler on Erosion, Tracking Resistance and Mechanical Properties of Silicone Rubber Reviewed

R.Inoue, T.Kondo, T.Nakamura, M.Kozako, M.Hikita

18th International Symposium on High Voltage Engineering (ISH)   ( PE-16 )   1511 - 1515   2013.08

Application of UHF Method for the Measurement of Partial Discharges in the Transformer Model Reviewed

S.Yoshida, K.Kono, M.Uchiyama, S.Yamada, N.Morita, M.Kozako, M.Hikita

18th International Symposium on High Voltage Engineering (ISH)   ( OF4-06 )   1856 - 1860   2013.08

Construction and Evaluation of Prototype Online PD Monitoring and Diagnosis System in High Voltage Electric Equipment Reviewed

Y.Tai, M.Kozako, M.Hikita, I.Nakamura, N.Yamamura, A.Suizu

18th International Symposium on High Voltage Engineering (ISH)   ( PF-42 )   2145 - 2149   2013.08

Partial Discharge Induced Electromagnetic Wave Propagation Analysis and Detection Using UHF Sensor in Transformer Reviewed

M.Hikita, N.Morita, M.Kozako, S.Yoshida, M.Uchiyama, S.Yamada

18th International Symposium on High Voltage Engineering (ISH)   ( OF4-01 )   1829 - 1832   2013.08

Experimental Investigation on Erosion Resistance and Hydrophobicity of Silicone Rubber Nanocomposite Reviewed

T.Nakamura, M.Kozako, M.Hikita, R.Inoue, T.Kondo

The 11th IEEE International Conference on Solid Dielectrics   ( 19 )   230 - 233   2013.06

Effect of X-ray irradiation on partial discharge inception and extinction voltage characteristics of cast resin transformer insulation system Reviewed

S.Makki, M.Kozako, M.Hikita, K.Iida, T.Umemura, S.Nakamura, Y.Nakamura, T.Hirose, T.Maeda, M.Higashiyama

The 11th IEEE International Conference on Solid Dielectrics   ( 55 )   79 - 82   2013.06

Charge Behavior of Epoxy/Silica Nanocomposites under AC High Fields Reviewed

Y.Watanabe, K.Tohyama, M.Kozako, S.Kawano, K.Ito, H.Miyake, Y.Tanaka, Y.Hirose, Y.Ohki

The 11th IEEE International Conference on Solid Dielectrics   ( 220 )   892 - 895   2013.06

Improvement of Bowtie UHF Antenna Model for Detecting PD in GIS Reviewed

J. Muslim A.Susilo, K.Nishigouchi, Yanuar Z. Ariefd, U.Khayam, Suwarno, M.Kozako, M.Hikita

The 4th International Conference on Electrical Engineering and Informatics 2013(ICEEI2013)   ( 1 )   227 - 234   2013.06

Automatic Repetitive PD Inception Voltage Measurement of Motorette Sample Simulating Inverter-fed Motor Insulation by Using a Repetitive Voltage Impulse Generator Reviewed

M.Hikita, T.Ueno, Y.Kudo, M.Kozako, H.Ogawa, T.Sakurai, K.Nakayama, T.Yoshimitsu, T.Hirose, S.Hiroshima

The 12thInternational Electrical Insulation Conference   24 - 28   2013.05

Fabrication and Evaluation of SiC Inverter Using SiC-MOSFET Reviewed

A.Yamane, K.Koyanagi, M.Kozako, K.Fuji, M.Hikita

The IEEE 10th International Conference on Power Electronics and Drive Systems   1029 - 1032   2013.04

Development of A New Package for Next Generation Power Semiconductor Devices: toward High Temperature and High Voltage Applications Reviewed

K.Koyanagi, A.Yamane, M.Kozako, I.Omura, M.Hikita, Z.Valdez-Nava, S.Dinculescu, T.Lebey

The IEEE 10th International Conference on Power Electronics and Drive Systems   ( B2L-G01-9239 )   512 - 516   2013.04

高熱伝導エポキシ複合材料の低フィラー化技術

小迫雅裕

Polyfile ( 株式会社大成社 )   51 ( 588 )   30 - 33   2013.02

モールド絶縁系における微小空気ギャップの絶縁特性（２）－MGM,MGI電極系の部分放電挙動－ Reviewed

東山雅一, 鈴木勇人, 広瀬達也, 前田照彦, 中村修平, 梅村時博, 小迫雅裕, 匹田政幸村時博, 中村勇介, 広瀬達也

電気学会論文誌B   vol.133 ( No.2 )   203 - 209   2013.02

Effects of nanofiller materials on the dielectric properties of epoxy nanocomposites Reviewed

J. Katayama, Y. Ohki, N. Fuse, M. Kozako, T. Tanaka

IEEE Transactions on Dielectrics and Electrical Insulation   20 ( 1 )   157 - 165   2013.02

Packaging of SiC-SBD for High Temperature Operation Reviewed

Z. Valdez-Nava, M. Kozako, S. Dinculescu, I.Omura, M. Hikita, T. Lebey

The 14th International Conference on Electronics Materials And Packaging (EMAP2012)   ( P082 )   428 - 431   2012.12

Partial discharge characteristics in epoxy cast molding insulation system by X-ray irradiation Reviewed

S.Makki, M.Kozako, M.Hikita, S.Nakamura, K.Iida, T.Umemura, Y.Nakamura, T.Hirose, T.Maeda, M.Higashiyama

Joint Conference of IWHV 2012 & JK 2012 on ED & HVE   1 ( ED-12-108 SP-12-034 HV-12-037 )   13 - 17   2012.11

Numerical Analysis of PD emitted Electromagnetic wave propagation in Oil-immersed Transformer Reviewed

N.Morita, M.Kozako, M.Hikita, S.Yoshida, M.Uchiyama, S.Yamada

Joint Conference of IWHV 2012 & JK 2012 on ED & HVE   1 ( ED-12-113 SP-12-039 HV-12-042 )   39 - 43   2012.11

Effects of coating of epoxy/CNT composites on surface flashover characteristics Reviewed

H.Nakatsu, M.Kozako, M.Hikita, D.Hirata, Y.Sato, M.Takei, H.Toda, K.Yoshinaga

Joint Conference of IWHV 2012 & JK 2012 on ED & HVE   2 ( ED-12-131 SP-12-057 HV-12-060 )   23 - 26   2012.11

Effects of Addition of Nano-scale Silica Filler on Erosion, Tracking Resistance and Hydrophobicity of Silicone Rubber Reviewed

T.Nakamura, M.Kozako, M.Hikita, R.Inoue, T.Kondo

Joint Conference of IWHV 2012 & JK 2012 on ED & HVE   2 ( ED-12-144 SP-12-070 HV-12-073 )   85 - 89   2012.11

インバータサージ部分放電測定における繰り返しインパルス電圧発生装置の構築と特性評価 Reviewed

上野崇寿, 工藤祐紀, 小迫雅裕, 匹田政幸, 櫻井孝幸, 小川弘之, 山田慎一郎, 吉満哲夫, 廣瀬達也, 廣島聡

電気学会論文誌A   132 ( 11 )   965 - 971   2012.11

Oil Gap Dependence of Partial Discharge Starting Point in the Oil / Pressboard Composite Insulation System Reviewed

T.Umemoto, S.kainaga, T.Tsurimoto, H.Muto, T.Ishikura, N.Sugitani, N.Morita, M.Kozoko, M.Hikita

The 15th International Conference on Electrical Machines and Systems (ICEMS2012)   ( LS2E-3 )   2012.10

Development of Repetitive Voltage Impulse Generator and Automatic Repetitive PD Inception Voltage Measurement System for Testing Inverter-fed Motor Insulation Reviewed

M.Hikita, T.Ueno, Y.Kudo, M.Kozako, H.Ogawa, T.Sakurai, K.Nakayama, T.Yoshimitsu, T.Hirose, S.Hiroshima

2012 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2012)   ( 32 )   145 - 148   2012.10

Process Influence on the Moisture Absorption in a Polymer Nanocomposite Reviewed

F.Saysouk, S.Diaham, M.L.Locatelli, B.Schlegel, V.Salles, Z.Valdez-Nava, M.Kozako, T.Lebey, E.Flahaut

2012 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2012)   ( 129 )   547 - 550   2012.10

Fundamental Investigation of Dielectric Phenomena in Epoxy Composites during Curing Process under a Uniform Electric Field Reviewed

M.Kozako, Z.Valdez-Nava, S.Diaham, S.Dinculescu, T.Lebey

2012 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2012)   ( 129 )   547 - 550   2012.10

Effect of Electric Field Application during Curing Process on Thermal Conductivity of Epoxy Composite Materials with Low Content Inorganic Particles Reviewed

S.Kinoshita, M.Kozako, M.Hikita, T.Tanaka

2012 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2012)   ( 42 )   187 - 190   2012.10

Basic discussion for coating of epoxy resin with carbon nano-tube dispersion Reviewed

132 ( 9 )   773 - 779   2012.10

Fabrication of Silicone Rubber Nanocomposites and Quantitative Evaluation of Dispersion State of Nanofillers Reviewed

M.Kozako, T.Tominaga, M.Hikita, G.Ueta, S.Okabe, T.Tanaka

19 ( 5 )   1760 - 1767   2012.10

Characteristics of PD Induced Electromagnetic Wave Propagating through T-Branch of 154kV GIS in the Presence of Epoxy Spacer Reviewed

U.Khayam, T.Hoshino, T.Nakajima, S.Maruyama, K.Nishigouchi, M.Kozoko, M.Hikita

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-53 )   379 - 382   2012.09

New Partial Discharge Location Method in Power Tranceformer based on Acoustic Wave Propagation Characteristics using Numerical Simulation Reviewed

M.Kozako, H.Murayama, M.Hikita, K.Kashine, I.Nakamura, H.Koide

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-235 )   854 - 857   2012.09

Effect of Excitation Current Waveform on PD Induced Electromagnetic Wave Propagation and Attenuation in Straight 154kV GIS Model Reviewed

K.Nishigouchi, M.Kozako, M.Hikita, T.Hoshino, S.Maruyama, T.Nakajima, U.Khayam

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-281 )   309 - 312   2012.09

Recent Progress in Diagnosis of Transformers using Non-Conventional Partial Discharge Measurements Reviewed

M.Hikita, M.Kozako

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( IL-1 )   193 - 197   2012.09

Characteristics of External Loop Sensor Located Near Bushing on Partial Discharge Measurement Reviewed

Sriyono, Y.Kim, U.Khayam, Swarno, M.Hikita

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-193 )   320 - 323   2012.09

Study of Partial Discharge Induced Electromagnetic Wave Propagation Property in Power Transformer Model Reviewed

N.Morita, M.Kozako, M.Hikita, S.Yoshida, M.Uchiyama, S.Yamada

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-136 )   44 - 47   2012.09

Sensitivity Verification and Determination of the Best Location of External UHF Sensors for PD Measurement in GIS Reviewed

Sriyono, W.Anggoro, K.Nishigouchi, U.Khayam, Suwarno, M.Kozako, M.Hikita, K.Urano, M.Chen

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-190 )   698 - 701   2012.09

Influence of Spacer Aperture Size on PD-Induced Electromagnetic Wave Measured with UHF External Sensor in 66kV GIS Model Reviewed

W.Anggoro, Sriyono, K.Nishigouchi, U.Khayam, Suwarno, M.Kozako, M.Hikita, K.Urano, M.Chen

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-191 )   387 - 391   2012.09

PD Pattern of Various Defects Measured by UHF External Sensor on 66kV GIS Model Reviewed

W.Anggoro, Sriyono, K.Nishigouchi, U.Khayam, Suwarno, M.Kozako, M.Hikita, K.Urano, M.Chen

International Conference on Condition Monitoring and Diagnosis (CMD2012)   ( A-192 )   954 - 947   2012.09

アルミナ被覆膜で絶縁化した熱伝導フィラー

佐藤護郎、佐藤正淳、匹田政幸、小迫雅裕

日本プラスチックス工業連盟誌　プラスチックス ( 日本工業出版 )   2012 ( 9 )   40 - 43   2012.09

カーボンナノチューブ分散エポキシ樹脂コーティングの基礎的検討 Reviewed

小迫雅裕, 中津秀幸, 戸田弘明, 山田修平, 吉永耕二, 匹田政幸,　平田大裕, 宮本剛寿, 武井雅文

電気学会論文誌A   132 ( 9 )   773 - 779   2012.09

海外駐在記事：仏国ポールサバティエ大学滞在記

小迫雅裕

電気学会論文誌Ｂ ( 電気学会 )   132 ( 8 )   NL8_4   2012.08

TiN/AlN ceramic substrates for high temperature power electronics applications Reviewed

Z.Valdez-Nava, M.Ferrato, S.Guillmet-Fritsch, M.Kozako, T.Lebey

The Electroceramics 13   ( P.12 )   2012.06

Partial Discharge Properties of Ester Oils Having Different Molecular Structures Reviewed

M.Hikita, J.Tokiyoshi, M.Tsuchie, M.Kozako, T.Suzuki, A.Kanetani, T.Kano

2012 IEEE International Symposium on Electrical Insulation (ISEI2012)   ( 7 )   26 - 29   2012.06

X線照射によるエポキシ樹脂中の人工ボイド内部分放電特性の検討 Reviewed

東山雅一，髙田　一, 林　昌幸, 小迫雅裕, 匹田政幸, 中村修平, 梅村時博, 中村勇介, 広瀬達也

電気学会論文誌A   132 ( 4 )   284 - 290   2012.04

屋外絶縁用ナノベーマイトアルミナ充填シリコーンゴムの創製とその特性の基礎的検討 Reviewed

小迫雅裕, 東小路政史, 匹田政幸, 田中祀捷

電気学会論文誌A   132 ( 3 )   257 - 262   2012.03

エポキシ樹脂中ボイド放電におけるX線照射効果の物理的考察 Reviewed

林　昌幸, 髙田　一, 小迫雅裕, 匹田政幸, 中村修平, 梅村時博, 中村勇介, 広瀬達也, 東山雅一

電気学会論文誌A   132 ( 2 )   154 - 155   2012.02

Development of Epoxy/BN Composites with High Thermal Conductivity and Sufficient Dielectric Breakdown Strength, Part I -Sample preparation and Thermal conductivity Reviewed

Zengbin Wang, Tomonori Iizuka, Masahiro Kozako, Yoshimichi Ohki and Toshikatsu Tanaka

IEEE Transactions on Dielectrics and Electrical Insulation   18 ( 6 )   1963 - 1972   2011.12

Development of Epoxy/BN Composites with High Thermal Conductivity and Sufficient Dielectric Breakdown Strength, Part II -Breakdown strength Reviewed

Zengbin Wang, Tomonori Iizuka, Masahiro Kozako, Yoshimichi Ohki and Toshikatsu Tanaka

IEEE Transactions on Dielectrics and Electrical Insulation   18 ( 6 )   1973 - 1983   2011.12

High Thermal Conductivity Epoxy/BN Composites with Sufficient Dielectric Breakdown Strength Reviewed

T.Tanaka, Z.Wang, T.Iizuka, M.Kozako, Y.Ohki

2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2012)   ( 7A-11 )   691 - 694   2011.10

Comparison of Effects of Nanofiller Materials on the Dielectric Properties of Epoxy Nanocomposites Reviewed

J.Katayama, N.Fuse, M.Kozako, T.Tanaka, Y.Ohki

2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2012)   ( 3B-5 )   318 - 321   2011.10

Study on Time Lag of Void Discharge in Epoxy Resin by Considering Attenuation of X-ray Irradiation Dose Reviewed

M.Hayashi, H.Takada, M.Kozako, M.Hikita, S.Nakamura, T.Umemura, M.Higashiyama

2011 International Symposium on Electrical Insulating Materials (ISEIM2011)   ( MVP2-20 )   405 - 408   2011.09

Development of Partial Discharge Location System in Oil-Filled Transformer Considering Acoustic Wave Propagation Properties Reviewed

H.Murayama, T.Katayama, K.Yamada, M.Kozako, M.Hikita, K.Kashine, I.Nakamura, H.Koide

2011 International Symposium on Electrical Insulating Materials (ISEIM2011)   ( MVP1-13 )   273 - 276   2011.09

Quantitative Evaluation of Nano-silica Dispersion in Silicone Nanocomposites and Its Resistance to Erosion and Tracking Reviewed

T.Tominaga, M.Kozako, M.Hikita, R.Inoue, T.Kondo, G.Ueta, S.Okabe

2011 International Symposium on Electrical Insulating Materials (ISEIM2011)   ( MVP1-20 )   301 - 304   2011.09

Coating of Carbon Nano-tube Filled Epoxy Resin and Its Surface Conductivity Reviewed

H.Nakatsu, M.Kozako, H.Toda, H.Ebihara, K.Yoshinaga, M.Hikita, D.Hirata, T.Miyamoto, M.Takei

2011 International Symposium on Electrical Insulating Materials (ISEIM2011)   ( MVP2-6 )   349 - 352   2011.09

Development and Evaluation of Small Loop Sensor for Detecting Electromagnetic Field Caused by Partial Discharges in Simulated Insulation System of Inverter-fed Rotating Machine Reviewed

Y.Kudo, N.Yahara, M.Fujimoto, M.Kozako, M.Hikita

2011 International Symposium on Electrical Insulating Materials (ISEIM2011)   ( MVP1-11 )   265 - 268   2011.09

エポキシモールド絶縁システム中の人工ボイド内部分放電現象の検討 Reviewed

髙田　一, 林　昌幸, 小迫雅裕, 匹田政幸, 中村修平, 梅村時博, 中村勇介, 広瀬達也, 東山雅一

電気学会論文誌A   131 ( 9 )   785 - 791   2011.09

Propagation Property of Partial Discharge Induced Electromagnetic Wave in Power Transformer and Comparison of UHF Sensor Characteristics Reviewed

N.Morita, M.Kozako, M.Hikita, M.Uchiyama, S.Yamada, Y.Tagniguchi

17th International Symposium on High Voltage Engineering (ISH)   ( F-008 )   4 pages   2011.08

Influence of the Existence of the Epoxy Spacer on the Propagation Property of Partial Discharge Induced Electromagnetic Wave in Straight 154kV Reviewed

U.Khayam, M.Hayashi, M.Kozako, M.Hikita, T.Hoshino, S.Maruyama, T.Sakakibara, J.Wada, S.Okabe

17th International Symposium on High Voltage Engineering (ISH)   ( F-026 )   2011.08

Preparation and Evaluation of Epoxy/Alumina Composite Materials toward High Thermal Conductivity Reviewed

S.Kinoshita, Y.Okazaki, M.Kozako, M.Hikita, T.Tanaka

The International Conference on Electrical Engineering 2011(ICEE2011)   ( A491 )   4 pages   2011.07

Development of Compact Evaluation Apparatus for Power Electronics Devices under High Temperature and High Voltage Environment Reviewed

H.Kawano, M.Kozako, I.Omura, M.Hikita, T.Lebey

The International Conference on Electrical Engineering 2011(ICEE2011)   ( A510 )   4 pages   2011.07

Measuring SiC-MOSFET Inverter Waveform and Efficiency Reviewed

S.Machino, M.Kozako, K,Harada, M.Hikita

The International Conference on Electrical Engineering 2011(ICEE2011)   ( A511 )   4 pages   2011.07

Toward High Thermal Conductivity Nano Micro Epoxy Composites with Sufficient Endurance Voltage Reviewed

T.Tanaka, M.Kozako, K.Okamoto

2011 International Conference on Electrical Engineering and Informatics (ICEEI2011)   ( A032 )   2011.07

モールド絶縁における微小空気ギャップの絶縁特性 Reviewed

東山雅一, 鈴木勇人, 広瀬達也, 中村勇介, 前田照彦, 中村修平, 梅村時博, 小迫雅裕, 匹田政幸

電気学会論文誌B   Vol.131 ( No.7 )   630 - 636   2011.07

X-ray Irradiation Induced Discharge of Spherical Void in Epoxy Resin Reviewed

M.Hikita, M.Kozako, H.Takada, M.Higashiyama, T.Hirose, Y.Nakamura, S.Nakamura, T.Umemura

2011 Electrical Insulation Conference (EIC2011)   ( No.096 S12–ML5 )   463 - 467   2011.06

Effect of Epoxy Spacer on Transmission Rate of Electromagnetic Wave Propagating through T-Branch of GIS Model Tank Reviewed

U.Khayam,H.Takada,M.Hayashi,S.Yoshida,T.Hoshino,T.Sakakibara,S.Maruyama,S.Okabe,J.Wada,M.Kozako,M.Hikita

7th International Workshop on High Voltage Engineering (IWHV2010)   ( ED-10-87 SP-10-54 HV-10-49 )   127 - 132   2010.11

Propagation Properties of Electromagnetic Waves Emitted by Partial Discharge in Oil for Model Transformer Tank with a Practical Coil Reviewed

M.Kozako,A.Morita,S.Ohtsuka,M.Hikita,S.Yamada,Y.Taniguchi

International Conference on Condition Monitoring and Diagnosis (CMD2010)   ( A4-3 )   123 - 126   2010.09

Dissolved Gas Analysis of Transformer Oil under the Conditions of Partial Discharge and Overheating Reviewed

Y.Abe,M.Kozako,H.Toda,M.Tsuchie,M.Hikita,E.Sasaki

International Conference on Condition Monitoring and Diagnosis (CMD2010)   ( A4-5 )   131 - 134   2010.09

Development of PD Location System of Power Cable Incorporating PD Charge Distribution Measurement by Utilizing GPS and Atomic Clocks Reviewed

T.Katayama,M.Kozako,M.Hikita,K.Abe,H.Suzuki

International Conference on Condition Monitoring and Diagnosis (CMD2010)   ( B1-2 )   255 - 258   2010.09

Partial-discharge Recognition in Three-Phase GIS using Neural Network Reviewed

D.Hamdani,U.Khayam,Suwarno,M.Kozako,M.Hikita,N.Otaka,Y.Takehara

International Conference on Condition Monitoring and Diagnosis (CMD2010)   ( C1-1 )   455 - 458   2010.09

Influence of Different Diameter Bus Conductor Part of GIS on Propagation Property of PD-Induced Electromagnetic Wave Invited Reviewed

M.Hikita, Y.Yamamura, M.Kozako, M.Hayashi, S.Ohtsuka, T.Hoshino, S.Maruyama, T.Sakakibara

International Conference on Condition Monitoring and Diagnosis (CMD2010)   ( C2-1 )   477 - 480   2010.09

Switching Characteristics of SiC-VJFET and Manufacture of Inverter Reviewed

K.Harada,K.Maki,S.Pounyakhet,J.Tokiyoshi,M.Kozako,S.Ohtsuka,M.Hikita

The 2010 International Power Electronics Conference ECCE ASIA- (IPEC-Sapporo 2010)   ( 22P2-23 )   176 - 179   2010.07

High Temperature High Voltage Packaging of Wideband Gap Semiconductors Reviewed

T.Lebey,I.Omura,M.Kozako,H.Kawano,M.Hikita

The 2010 International Power Electronics Conference ECCE ASIA- (IPEC-Sapporo 2010)   ( 22P2-24 )   180 - 186   2010.07

Effects of Addition of Nano-scale Alumina and Silica Fillers on Thermal Conductivity and Dielectric Strength of Epoxy / Alumina Microcomposites Reviewed

Y.Okazaki,M.Kozako,M.Hikita,T.Tanaka

2010 IEEE International Conference on Solid Dielectrics (ICSD2010)   ( B2-28 )   279 - 282   2010.07

Preparation and Evaluation of Epoxy Composite Insulating Materials toward High Thermal Conductivity Reviewed

M.Kozako,Y.Okazaki,M.Hikita,T.Tanaka

2010 IEEE International Conference on Solid Dielectrics (ICSD2010)   ( F2-22 )   2010.07

Breakdown Voltage of Interelectrode Gap between Sphere-plane Electrodes under AC Voltage Reviewed

M.Higashiyama,T.Hirose,T.hayama,S.Nakamura,T.Umemura,M.Hikita,M.Kozako

2010 IEEE International Symposium on Electrical Insulation (ISEI2010)   ( 44 )   2010.06

Partial Discharge Phenomena in Artificial Cavity in Epoxy Cast Resin Insulation System Reviewed

M.Hikita,M.Kozako,H.Takada,M.Higashiyama,T.Hirose,S.Nakamura,T.Umemura

2010 IEEE International Symposium on Electrical Insulation (ISEI2010)   ( 138 )   2010.06

Research for Switching Phenomena in University Reviewed

K.Harada, H.Toda, M.kozako, S.Ohtsuka, M.Hikita, H.Ikeda

IEEJ-EIT Joint symposium advanced Technology inpower Systems   ( SA-09-113 SP-09-095 FTE-09-050 PE-09-211 HV-09-104 PSE-09-219 )   2009.11

Low Temperature Operation of Self-recovering Micro Fuse in Liquid Nitrogen and its ON Resistance Properties Reviewed

S.Mitarai,N.Sugitani,M.Kozako,M.Hikita,S.Ohtsuka

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   346 - 349   2009.11

Identification of Propagation Path of Acoustic Wave Signals in Simulated Transformer using Wavelet Analysis Reviewed

K.Yamada,A.Morita,M.Kozako,S.Ohtsuka,M.Hikita,K.Kashine,I.Nakamura,H.Koide

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   79 - 82   2009.11

Corona Inception Electric Field of Arcing Horn Model by Electric Field Calculation Based On 2D and 3D Models Reviewed

H.Shirai,N.Touamoua,M.kozako,M.Hikita,M.Uehara,Y.Tsuji,S.Ohtsuka

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   126 - 199   2009.11

Development of Partial Discharge Location System of Power Cable Using GPS and Atomic Clock Reviewed

T.Katayama,M.Kozako,S.Ohtsuka,M.Hikita,K.Abe,H.Suzuki

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   268 - 271   2009.11

Gas Pressure Dependence of Negative Lightning Impulse PD Properties in SF6 Gas Observed by Time and Spatial-resolved Spectroscopic Measurement System Reviewed

Y.Suzuki,T.Hara,M.Fukuhara,A.Sogabe,M.Kozako,M.Hikita,S.Ohtsuka

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   276 - 279   2009.11

Propagation Properties of PD-induced Electromagnetic Wave in Model 66kV GIS with T-Branch Structure Reviewed

Y.Yamamura,T.Nakano,S.Ohtsuka,M.Kozako,M.Hikita,T.Hoshino,S.Maruyama,T.Sakakigara,G.Ueta,S.Okabe

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   292 - 295   2009.11

Electromagnetic Wave Propagation Characteristics Emitted from Partial Discharge by Needle-Plane Electrode in Transformer Tank Model with Practical Coil Reviewed

A.Morita,K.Yamada,Y.Abe,M.Kozako,S.Ohtsuka,M.Hikita,S.Yamada,Y.Taniguchi

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   296 - 299   2009.11

Comparsopn of Partial Dischrge Quantity Between Tio2Filler Filled and SiO2 Filler Filled Enameled Wired Under High-frequency AC Voltage Simulating Inverter Surge Voltage Reviewed

K.Yamaguchi,M.Fujimoto,M.Kozako,S.Ohtsuka,M.Hikita,M.Ohya,K.Tomizawa,N.Fushimi

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   300 - 303   2009.11

Preparation and Fundamental Investigation of Characteristics of Silicon Rubber Nanocomposite for Outdoor Insulation Reviewed

M.Higashikoji,M.Kozako,S.Ohtsuka,M.Hikita,T.Tanaka

2009 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   342 - 345   2009.11

Partial Discharge Endurance Test on Several Kinds of Nano-Filled Enameled Wires Under High-Frequency AC Voltage Simulating Inverter Surge Voltage Reviewed

M.Hikita,K.Yamaguchi,M.Fujimoto,M.Kozako,S.Ohtsuka,M.Ohya,K.Tomizawa,N.Fushimi

2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP2009)   ( 304 )   2009.10

Electromagnetic Wave Propagation Characteristics Emitted from Air PD Caused by Simulated PD Source in Transformer Tank Model with Practical Coil Reviewed

M.Hikita,A.Morita,M.Kozako,S.Ohtsuka,S.Yamada,Y.Taniguchi

16th International Symposium on High Voltage Engineering (ISH)   ( C-7 )   2009.08

Influence of a Disconnecting Part on Propagation Properties of PD-Induced Electromagnetic Wave in Model GIS Reviewed

S.Ohtsuka,H.Ikeda,M.Hikita,T.Nakano,K.Omori,M.Sawada,Y.Yamamura,M.Kozako,T.Hoshino,S.Maruyama,T.Sakakibara,G.Ueta,S.Okabe

16th International Symposium on High Voltage Engineering (ISH)   ( D-52 )   2009.08

Influence of External Noises on Insulation Diagnosis of GIS When UHF PD Detection Method is Used Reviewed

M.Hikita,T.Nakano,K.Omori,M.Sawada,S.Ohtsuka,M.Kozako,H.Ikeda,H.Koyama,T.Hoshino,S.Maruyama,Y.Taniguchi,T.Sakakibara

16th International Symposium on High Voltage Engineering (ISH)   ( A-40 )   2009.08

Influence of T-Branch Structure of Model GIS on Propagation Properties of PD-Induced Electromagnetic Wave Reviewed

T.Nakano,K.Omori,M.Sawada,Y.Yamamura,S.Ohtsuka,M.Kozako,H.Ikeda,M.Hikita,T.Hoshino,S.Maruyama,T.Sakakibara,G.Ueta,S.Okabe

16th International Symposium on High Voltage Engineering (ISH)   ( D-49 )   2009.08

Fundamental study on Partial Discharge Induced Acoustic Wave Propagation in Simulated Transformer Composite Insulation System Reviewed

M.Kozako,K.Yamada,A.Morita,S.Ohtsuka,M.Hikita,K.Kashine,I.Nakamura,H.Koide

The 9th International Conference on Properties and Applications of Dielectric Materials(ICPADM2009)   ( E-19 )   477 - 480   2009.07

University Approach for Circuit Breaker Development Reviewed

H.Ikeda,K.Harada,S.Ohtsuka,M.Kozako,M.Hikita

20th International Conference on Electricity Distribution(CIRED2009)   ( 0794 )   2008.06

Possible mechanisms of superior resistance of polyamide nanocomposites to partial discharges and plasmas Reviewed

N.Fuse, Y. Ohki, M. Kozako, T. Tanaka

IEEE Transactions on Dielectrics and Electrical Insulation   15 ( 1 )   161 - 169   2008.01

いくつかの生分解性高分子の部分放電劣化 Reviewed

布施則一、藤田慎二郎、平井直志、田中祀捷、小迫雅裕、向當政典、岡部成光、大木義路

電気学会論文誌A   127 ( 2 )   389 - 396   2007.08

ラム波解析に基づいたGIS 内自由金属異物の位置標定システムの構築 Reviewed

小迫雅裕,大塚信也,金子周平,岡部成光,匹田政幸

電気学会論文誌Ｂ   127 ( 2 )   389 - 396   2007.02

Preparation and Various Characteristics of Epoxy/ Alumina Nanocomposites Reviewed

M.Kozako,Y.Ohki,M.Kohtoh,S.Okabe,T.Tanaka

IEEJ Trans. A   126 ( 11 )   1121 - 1127   2006.11

Treeing Phenomena in Epoxy/Alumina Nanocomposite and Interpretation by a Multi-core Model Reviewed

T.Tanaka, A.Matsunawa, Y.Ohki, M.Kozako, M.Kohtoh and S.Okabe

IEEJ Trans. A   126 ( 11 )   1128 - 1135   2006.11

Approach by Nano- and Micro-filler Mixture toward Epoxy Based Nanocomposites as Industrial Insulating Materials Reviewed

T.Imai, F.Sawa, T.Ozaki, T.Shimizu, S.Kuge, M.Kozako and T.Tanaka

IEEJ Trans. A   126 ( 11 )   1136 - 1143   2006.11

Influence of Temperature on Mechanical and Insulation Properties of Epoxy-Layered Silicates Nanocomposite Reviewed

T.Imai, F.Sawa, T.Ozaki, T.Shimizu, R.Kido, M.Kozako and T.Tanaka

IEEE Transactions on Dielectrics and Electrical Insulation   13 ( 2 )   445 - 452   2006.02

Effects of Epoxy/Filler Interface on Properties of Nano- or Micro-composites Reviewed

T.Imai, F.Sawa, T.Ozaki, T.Shimizu, S.Kuge, M.Kozako and T.Tanaka

IEEJ Trans. A   126 ( 2 )   84 - 91   2006.02

Effects of Nano- and Micro-Filler Mixture on Electrical Insulation Properties of Epoxy Based Composites Reviewed

T.Imai, F.Sawa, T.Nakano, T.Ozaki, T.Shimizu, M.Kozako and T.Tanaka

IEEE Transactions on Dielectrics and Electrical Insulation   13 ( 2 )   319 - 326   2006.02

Proposal of a Multi-core Model for Polymer Nanocomposite Dielectrics Reviewed

T.Tanaka, M.Kozako, N.Fuse and Y.Ohki

12 ( 4 )   669 - 681   2005.04

画期的な絶縁特性の向上が期待される高分子ナノコンポジット

小迫雅裕、田中祀捷

放電学会誌 ( 放電学会 )   47 ( 4 )   1 - 4   2004.11

Surface Degradation of Polyamide Nanocomposites Caused by Partial Discharges Using IEC (b) Electrodes Reviewed

M.Kozako, N.Fuse, Y.Ohki, T.Okamoto and T.Tanaka

11 ( 5 )   833 - 839   2004.05

超音波伝搬特性を考慮したGIS内自由金属異物の挙動およびサイズ評価 Reviewed

尾野本道雄、國武義高、大塚信也、小迫雅裕、湯浅禎之、岡部成光、匹田政幸

電気学会論文誌Ｂ   123 ( 11 )   1387 - 1393   2003.11

Motion Analysis and Size Estimation of a Free Moving Metallic Particle in GIS based on Propagation Properties of Acoustic Wave Reviewed

M.Hikita,M.Onomoto,Y.Kunitake,M.Kozako,S.Yuasa,S.Okabe,S.Ohtsuka

13th International Symposium on High Voltage Engineering (ISH)   2003.08

UHF法で測定された電磁波第一波の振幅比に基づくGIS絶縁異常の診断 Reviewed

大塚信也、竹中賢司、小迫雅裕、趙孟佑、松久高士、匹田政幸

電気学会論文誌Ｂ   122 ( 6 )   769 - 775   2002.06

GIS内の部分放電およびフリー異物により発生するラム波の時間周波数解析 Reviewed

小迫雅裕、大塚信也、松久高士、匹田政幸

電気学会論文誌B   122 ( 6 )   719 - 724   2002.06

Time-Frequency Analysis of Lamb Waves using Wavelet Transform for Location Identification of Defects in GIS Reviewed

M.Kozako, S.Ohtsuka, K.Sawai, M.Hikita

2001 International Symposium on High Voltage Engineering (ISH)   6 ( 52 )   991 - 994   2001.08

GIS中の超音波伝搬特性とそれに基づく新しい部分放電発生位置標定 Reviewed

小迫雅裕，大塚信也，澤井浩司，匹田政幸

電気学会論文誌B   121 ( 5 )   677 - 682   2001.05

Risk Assessment of GIS based on Amplitude Ratio of PD-induced Electromagnetic Wave Measured by UHF Method Reviewed

K.Takenaka,M.Kozako,S.Ohtsuka,M.Cho,K.Sawai,M.Hikita

International Workshop on High Voltage Engineering (IWHV2000)   1 ( ED-00-139 )   111 - 116   2000.11

Identification of Partial Discharge Location based on Propagation Properties of Acoustic Waves in GIS Reviewed

M.Kozako,S.Ohtsuka,K.Sawai,M.Hikita

International Workshop on High Voltage Engineering (IWHV2000)   1 ( ED-00-137 )   99 - 104   2000.11

ディジタルフィルタを用いた部分放電放射電磁波からの連続周期的ノイズの除去 Reviewed

小迫雅裕，田志海，大塚信也，柴田信之，匹田政幸

電気学会論文誌B   120 ( 7 )   975 - 981   2000.07

Identification of Partial Discharge Location in Consideration of Propagation Properties of Acoustic Waves in GIS Reviewed

M.Kozako,G.F.Xiang,S.Ohtsuka,H.Suzuki,M.Hikita

2000 International High Voltage Workshop   2000.04

Reduction of Continuous and Pulse-shape Noise by Digital Signal Proceeding for Reliable PD Detection in HV Substations Reviewed

M.Kozako, Z.H.Tian, N.Shibata, M.Hikita

11th International Symposium on High Voltage Engineering (ISH)   5   168 - 171   1999.08

Partial Discharge Measurements and Assessment of SF6 GIS by Acoustic and Electrical Techniques Reviewed

Z.H.Tian, M.Kozako, G.F.Xiang, N.Shibata, M.Hikita

1998 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering   49 - 52   1998.10

Noise Reduction and PD Measurements using Digital Filter and Signal Processing Technique in HV Substations Reviewed

M.Kozako, Z.H.Tian, H.Okubo, N.Shibata, M.Hikita

1998 International Symposium on Electrical Insulating Materials (ISEIM)   ( E2-2 )   561 - 564   1998.09

Application of Digital Signal Processing to Noise Reduction of Partial Discharge Detection in SF6 Gas Reviewed

M.Kozako, H.Okubo, N.Shibata, M.Hikita

1997 Japan-Korea Joint Symposium on Electrical Discharge and High Voltage Engineering   63 - 66   1997.10

電力機器・設備において実用化されている絶縁材料と最新の診断技術

最新の実用材料を使用した電力危機における絶縁診断技術調査専門委員会（Joint editor）

一般社団法人電気学会  2021.01 

２０１９年８月号目次　MATERIALSTAGE

小迫雅裕（Sole author）

技術情報協会  2019.08 

EV、HEV向け電子部品、電装品開発とその最新事例

小迫雅裕（Joint author ,  第4章 第8節 ナノコンポジット絶縁材料の設計技術）

技術情報協会  2018.11  （ ISBN:978-4-86104-729-9 ）

エポキシ樹脂の高機能化と上手な使い方

小迫雅裕（Joint author ,  第5節 複合化によるエポキシ樹脂の高熱伝導化及び絶縁性）

（株）Ｒ＆Ｄ支援センター  2018.11  （ ISBN:978-4-905507-29-1 ）

電子部品用エポキシ樹脂―半導体実装材料の最先端技術―

高橋昭雄, 小迫雅裕, 他（Supervisor (editorial)）

シーエムシー出版  2015.03  （ ISBN:978-4-7813-1059-6 ）