Papers - KOZAKO Masahiro
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Effect of Changes in Partial Discharge Activity on Resin Erosion in Simulated Voids Reviewed International journal
Aoki Y., Takeuchi K., Kozako M., Hikita M., Ito D., Oyama K., Nakamae T., Maeda T., Ozaki T.
2024 10th International Conference on Condition Monitoring and Diagnosis Cmd 2024 ( 427 ) 525 - 528 2024.10
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Comparative Analysis between Measured and Simulated Pulse Voltage Distribution in Form Wound Stator Winding of Inverter-Fed Motors Reviewed International journal
Miyazaki K., Nagatani Y., Kuno T., Hikita M., Kozako M., Iwanaga T., Zaizen K., Inoue Y., Yamada T., Okamoto T.
Annual Report Conference on Electrical Insulation and Dielectric Phenomena CEIDP ( 1A9 ) 2024.10
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Effect of Electric Field on Conductivity of Palm Fatty Acid Ester Reviewed International journal
Okamoto T., Suenaga S., Tsuchie M., Hikita M., Kozako M.
Annual Report Conference on Electrical Insulation and Dielectric Phenomena CEIDP ( 2B5 ) 2024.10
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Breakdown Strength Comparison of Several Fluorinated Liquids with Different Molecular Structures Reviewed International journal
Suenaga S., Okamoto T., Tsuchie M., Hikita M., Kozako M.
Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials ( 281 ) 258 - 261 2024.08
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Breakdown Characteristics of Insulating Oil in Uniform to Non-uniform Electric Field under AC Voltage Reviewed International journal
Yoshida S., Yamatake A., Kozako M., Hikita M.
Proceedings of the 2024 IEEE 5th International Conference on Dielectrics Icd 2024 ( 1C-01 ) 2024.06
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Simultaneous Measurement of Space Charge Distribution and Partial Discharge by PEA Method Reviewed International journal
Endo K., Kondo K., Kobayashi J., Miyake H., Tanaka Y., Kozako M., Hikita M.
Proceedings of the 2024 IEEE 5th International Conference on Dielectrics Icd 2024 ( 3C-18 ) 2024.06
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Identification of Defect Type in an Aged 22 kV Cast Resin Transformer from Phase-Resolved PD Patterns Reviewed International journal
Miyagawa M., Yao Y., Satake T., Kawano H., Hikita M., Kozako M., Harada Y., Takei K., Ikeda M., Miyazaki K., Futakawa K.
Proceedings of the 2024 IEEE 5th International Conference on Dielectrics Icd 2024 ( 2B-13 ) 2024.06
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Effect of Elastomer Blend on High Temperature Dielectric Properties of Polypropylene Reviewed International journal
Kim H., Shinozaki K., Hikita M., Kozako M., Yu S.
Proceedings of the 2024 IEEE 5th International Conference on Dielectrics Icd 2024 ( 2A-21 ) 2024.06
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Comparison of High Temperature Dielectric Properties between Epoxy Resins with Alicyclic and Bisphenol A Reviewed International journal
Shinozaki K., Hikita M., Kozako M., Ueshima M.
Proceedings of the 2024 IEEE 5th International Conference on Dielectrics Icd 2024 ( 2A-18 ) 2024.06
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Long-term AC partial discharge characteristics of a 22 kV cast resin transformer in accelerated tests Reviewed International journal
Mizuki Miyagawa, Yuanhang Yao, Ryota Koresawa, Hideaki Kawano, Masayuki Hikita, Masahiro Kozako, Katsutoshi Takei, Teruo Shibata, Tamotsu Uzuki, Kazuhiro Futakawa
IET Conference Proceedings ( The Institution of Engineering and Technology ) 2023 ( 46 ) 1127 - 1131 2024.04
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Partial discharge characteristics to breakdown in cast resin transformer suffering lightning impulses to accelerate aging Reviewed International journal
Yuanhang Yao, Mizuki Miyagawa, Ryota Koresawa, Masahiro Kozako, Masayuki Hikita, Katsutoshi Takei, Teruo Shibata, Tamotsu Uzuki, Kazuhiro Futakawa
IET Conference Proceedings ( The Institution of Engineering and Technology ) 2023 ( 46 ) 538 - 542 2024.04
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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
IET Conference Proceedings ( The Institution of Engineering and Technology ) 2023 ( 46 ) 482 - 487 2024.04
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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
IET Conference Proceedings ( The Institution of Engineering and Technology ) 2023 ( 46 ) 68 - 72 2024.04
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Impedance Frequency Analysis of Stator Winding of Electric Motors using Highfrequency Equivalent Circuit Reviewed
K.Miyazaki, T.Kuno, M.Hikita, M.Kozako, T.Okamoto, Y.Inoue, K.Zaizen, T.Yamada, T.Iwanaga
2023 IEEE Conference on Electrical Insulation and Dielectric Phenomena(CEIDP) ( 2B9 ) 383 - 386 2023.10
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Improvement of Partial Discharge Signal Recognition for Power Cable Lines Reviewed International journal
M.Chen, M.Kozako, M.Hikita, N.Takeuchi, Z.Zhou, J.Lu
2023 International Symposium on Electrical Insulating Materials (ISEIM) ( A-1 ) 2023.09
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Digest Report of Cooperative Research Committee on EINA Magazine Reviewed International journal
Y.Tanaka, M.Kozako, N.Fuse
2023 International Symposium on Electrical Insulating Materials (ISEIM) ( DR-1 ) 2023.09
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Effect of Moisture Content on Temperature Dependence of Partial Discharge Characteristics of Biodegradable Ester Oils Reviewed International journal
T.Okamoto, D.Okumura, M.Tsuchie, M.Hikita, M.Kozako
2023 International Symposium on Electrical Insulating Materials (ISEIM) ( MVP4-6 ) 2023.09
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Effect of Carbon Black Addition on Dielectric Breakdown Strength of Alicyclic Epoxy Resins Reviewed International journal
K.Shinozaki, D.Okumura, M.Hikita, M.Kozako
2023 International Symposium on Electrical Insulating Materials (ISEIM) ( MVP3-5 ) 2023.09
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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
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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