Papers - HAYAKAWA, Naoki
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Classification of Impulse Breakdown Mechanisms under Non-uniform Electric Field in Air Reviewed
H.Kojima, K.Hotta, T.Kitamura, N.Hayakawa, A.Otake, K.Kobayashi, T.Kato, T.Rokunohe H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 23 ( 1 ) page： 194-201 2016
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Analysis of Conditioning and Damaging Process in Vacuum Based on Breakdown Probability Distribution Reviewed
H.Kojima, Y.Otake, T.Takahashi, N.Hayakawa, K.Hasegawa, H.Saito, M.Sakaki
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 23 ( 1 ) page： 43-48 2016
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Control and Suppression of Impulse Surface Flashover in Vacuum Based on Discharge Development Mechanisms Reviewed
Y.Nakano, H.Kojima, K.Tsuchiya, N.Hayakawa
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 23 ( 1 ) page： 35-42 2016
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Pressure Dependence and Size Effect of LN2 Breakdown Characteristics under Transient Thermal Stress Reviewed
N.Hayakawa, T.Matsuoka, K.Ishida, H.Kojima, S.Isojima, M.Kuwata
IEEE Trans. on Applied Superconductivity Vol. 26 ( 3 ) page： 7700604 2016
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平角線モータにおける部分放電開始電圧のばらつき低減方法 Reviewed
脇本亨，小島寛樹，早川直樹
電気学会論文誌A Vol. 136 ( 3 ) page： 121-127 2016
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真空中沿面フラッシオーバ進展過程における絶縁物上過渡帯電存在時の実効的２次電子放出係数 Reviewed
中野裕介，小島寛樹，土屋賢治，早川直樹
電気学会論文誌A Vol. 136 ( 3 ) page： 128-134 2016
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Dependence of Spark Conditioning on Breakdown Charge and Electrode Material under a Non-Uniform Electric Field Reviewed
H.Kojima, T.Takahashi, N.Hayakawa, K.Hasegawa, H.Saito, M.Sakaki
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 23 ( 5 ) page： 3224-3230 2016
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真空中の複合絶縁系における放電パターンの識別 Reviewed
孔飛，小島寛樹，木村俊則，月間満，早川直樹
電気学会論文誌A Vol. 136 ( 9 ) page： 594-602 2016
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Measurement and Evaluation of Partial Discharge Inception Voltage for Enameled Rectangular Wires under AC Voltage Reviewed
T.Wakimoto, H.Kojima, N.Hayakawa
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 23 ( 6 ) page： 3566-3574 2016
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Power Flow Control and Maintenance Strategy of Transformers in Transmission and Distribution Systems Reviewed
H.Kojima, K.Fukaya, N.Hayakawa, M.Hanai, H.Okubo
Vol. 135 ( 5 ) page： 316-321 2015
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Experimental Results of 275 kV-3 kA REBCO HTS Power Cable Reviewed
M.Yagi, J.Liu, S.Mukoyama, T.Mitsuhashi, J.Teng, N.Hayakawa, X.Wang, A.Ishiyama,
IEEE Trans. on Applied Superconductivity Vol. 25 ( 3 ) page： 5401405 2015
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Fault Current Limitation Coordination in Power Transmission System with Superconducting Fault Current Limiting Cables (SFCLC) Reviewed
H.Kojima, T.Osawa, N.Hayakawa
IEEE Trans. on Applied Superconductivity Vol. 25 ( 3 ) page： 5401904 2015
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Quench-Induced Dynamic Breakdown Characteristics of LN2 and LN2/PPLP Composite Electrical Insulation System for Superconducting Power Apparatus Reviewed
N.Hayakawa, T.Matsuoka, S.Nishimachi, H.Kojima
IEEE Trans. on Applied Superconductivity Vol. 25 ( 3 ) page： 7700304 2015
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Impulse Surface Flashover Development Associated with Transient Charging by Explosive Electron Emission in Vacuum Reviewed
Y.Nakano, H.Kojima, K.Tsuchiya, N.Hayakawa
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 22 ( 4 ) page： 2390-2397 2015
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Size Effect on Breakdown Strength in Sub-cooled Liquid Nitrogen for Superconducting Power Apparatus Reviewed
N.Hayakawa, S.Nishimachi, H.Kojima, H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 22 ( 5 ) page： 2565-2571 2015
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真空中における突発的電子放出に起因する沿面フラッシオーバ進展過程の過渡帯電特性 Reviewed
中野裕介，小島寛樹，土屋賢治，早川直樹
電気学会論文誌A Vol. 134 ( 11 ) page： 578-584 2014
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Influence of longitudinal temperature distribution on current limiting function of Superconducting Fault Current Limiting Cable (SFCLC) Reviewed
H.Kojima, T.Osawa, N.Hayakawa , M.Hanai, H.Okubo
Journal of Physics: Conference Series (JPCS) Vol. 507 page： 032026 2014
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A Novel Electrical Insulating Material for 275 kV High-Voltage HTS Cable with Low Dielectric Loss Reviewed
N.Hayakawa, S.Nishimachi, O.Maruyama, T.Ohkuma, J.Liu, M.Yagi
Journal of Physics: Conference Series (JPCS) Vol. 507 page： 032021 2014
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Pre-discharge and Flashover Characteristics of Impulse Surface Discharge in Vacuum Reviewed
Y.Nakano, H.Kojima, N.Hayakawa, K.Tsuchiya, H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 21 ( 1 ) page： 403-410 2014
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Technique for Discriminating the Type of PD in SF6 Gas Using the UHF Method and the PD Current with a Metallic Particle Reviewed
M.Hanai, H.Kojima, N.Hayakawa, R.Mizuno, H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation Vol. 21 ( 1 ) page： 88-95 2014