論文 - 早川 直樹
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Classification of Impulse Breakdown Mechanisms under Non-uniform Electric Field in Air 査読有り
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 23 巻 ( 1 ) 頁: 194-201 2016年
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Analysis of Conditioning and Damaging Process in Vacuum Based on Breakdown Probability Distribution 査読有り
H.Kojima, Y.Otake, T.Takahashi, N.Hayakawa, K.Hasegawa, H.Saito, M.Sakaki
IEEE Trans. on Dielectrics and Electrical Insulation 23 巻 ( 1 ) 頁: 43-48 2016年
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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 査読有り
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 136 巻 ( 9 ) 頁: 594-602 2016年
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Dependence of Spark Conditioning on Breakdown Charge and Electrode Material under a Non-Uniform Electric Field 査読有り
H.Kojima, T.Takahashi, N.Hayakawa, K.Hasegawa, H.Saito, M.Sakaki
IEEE Trans. on Dielectrics and Electrical Insulation 23 巻 ( 5 ) 頁: 3224-3230 2016年
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Measurement and Evaluation of Partial Discharge Inception Voltage for Enameled Rectangular Wires under AC Voltage 査読有り
T.Wakimoto, H.Kojima, N.Hayakawa
IEEE Trans. on Dielectrics and Electrical Insulation 23 巻 ( 6 ) 頁: 3566-3574 2016年
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Experimental Results of 275 kV-3 kA REBCO HTS Power Cable 査読有り
M.Yagi, J.Liu, S.Mukoyama, T.Mitsuhashi, J.Teng, N.Hayakawa, X.Wang, A.Ishiyama,
IEEE Trans. on Applied Superconductivity 25 巻 ( 3 ) 頁: 5401405 2015年
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Fault Current Limitation Coordination in Power Transmission System with Superconducting Fault Current Limiting Cables (SFCLC) 査読有り
H.Kojima, T.Osawa, N.Hayakawa
IEEE Trans. on Applied Superconductivity 25 巻 ( 3 ) 頁: 5401904 2015年
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Quench-Induced Dynamic Breakdown Characteristics of LN2 and LN2/PPLP Composite Electrical Insulation System for Superconducting Power Apparatus 査読有り
N.Hayakawa, T.Matsuoka, S.Nishimachi, H.Kojima
IEEE Trans. on Applied Superconductivity 25 巻 ( 3 ) 頁: 7700304 2015年
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Power Flow Control and Maintenance Strategy of Transformers in Transmission and Distribution Systems 査読有り
H.Kojima, K.Fukaya, N.Hayakawa, M.Hanai, H.Okubo
135 巻 ( 5 ) 頁: 316-321 2015年
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Impulse Surface Flashover Development Associated with Transient Charging by Explosive Electron Emission in Vacuum 査読有り
Y.Nakano, H.Kojima, K.Tsuchiya, N.Hayakawa
IEEE Trans. on Dielectrics and Electrical Insulation 22 巻 ( 4 ) 頁: 2390-2397 2015年
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Size Effect on Breakdown Strength in Sub-cooled Liquid Nitrogen for Superconducting Power Apparatus 査読有り
N.Hayakawa, S.Nishimachi, H.Kojima, H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation 22 巻 ( 5 ) 頁: 2565-2571 2015年
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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 査読有り
中野裕介,小島寛樹,土屋賢治,早川直樹
電気学会論文誌A 134 巻 ( 11 ) 頁: 578-584 2014年
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Influence of longitudinal temperature distribution on current limiting function of Superconducting Fault Current Limiting Cable (SFCLC) 査読有り
H.Kojima, T.Osawa, N.Hayakawa , M.Hanai, H.Okubo
Journal of Physics: Conference Series (JPCS) 507 巻 頁: 032026 2014年
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A Novel Electrical Insulating Material for 275 kV High-Voltage HTS Cable with Low Dielectric Loss 査読有り
N.Hayakawa, S.Nishimachi, O.Maruyama, T.Ohkuma, J.Liu, M.Yagi
Journal of Physics: Conference Series (JPCS) 507 巻 頁: 032021 2014年
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Pre-discharge and Flashover Characteristics of Impulse Surface Discharge in Vacuum 査読有り
Y.Nakano, H.Kojima, N.Hayakawa, K.Tsuchiya, H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation 21 巻 ( 1 ) 頁: 403-410 2014年
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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 査読有り
M.Hanai, H.Kojima, N.Hayakawa, R.Mizuno, H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation 21 巻 ( 1 ) 頁: 88-95 2014年
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Physical Mechanisms of Partial Discharges at Nitrogen Filled Delamination in Epoxy Cast Resin Power Apparatus 査読有り
D.-E.A.Mansour, H.Kojima, N.Hayakawa, M.Hanai, H.Okubo
IEEE Trans. on Dielectrics and Electrical Insulation 20 巻 ( 2 ) 頁: 454-461 2013年
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Status of 275 kV Class REBCO Superconducting Cable Development 査読有り
S.Mukoyama, M.Yagi, T.Mitsuhashi, T.Nomura, J.Ten, R.Nakayama, T.Ohkuma, O.Maruyama, Y.Aoki, T.Saitoh, N.Amemiya, A.Ishiyama, N.Hayakawa
IEEE Trans. on Applied Superconductivity 23 巻 ( 3 ) 頁: 5402804 2013年
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Feasibility Study on Superconducting Power Flow Controller and Fault Current Limiter (SPFCL) 査読有り
N.Hayakawa, X.Mao, H.Kojima, M.Hanai, H.Okubo, N.Kashima, S.Nagaya, S.Sugimoto
IEEE Trans. on Applied Superconductivity 23 巻 ( 3 ) 頁: 5600504 2013年
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Development of 66 kV and 275 kV Class REBCO HTS Power Cables 査読有り
O.Maruyama, T.Ohkuma, T.Masuda, Y.Ashibe, S.Mukoyama, M.Yagi, T.Saitoh, T.Hasegawa, N.Amemiya, A.Ishiyama, N.Hayakawa
IEEE Trans. on Applied Superconductivity 23 巻 ( 3 ) 頁: 5401405 2013年