Papers - KOZAKO Masahiro
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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