論文 |
No. | タイトル, 著者, 誌名, 巻( 号), 開始ページ- 終了ページ, 出版年月, ID:DOI, URL
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1 | Classification of Impulse Breakdown Mechanisms under Non-uniform Electric Field in Air, Hiroki KojimaKatsuki HottaTakuya Kitamura Naoki HayakawaAtsushi OtakeKinya KobayashiTatsuro KatoToshiaki RokunoheHitoshi Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 23, No. 1, pp.194-201, , , 2016年02月, ,
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2 | Fabrication and simulation of permittivity graded materials for electric field grading of gas insulated power apparatus, Naoki HayakawaJunya IshiguroHiroki KojimaKatsumi KatoHitoshi Okubo , IEEE Transactions on Dielectrics and Electrical Insulation, Vol.23, No.1, pp.547-554, , , 2016年02月, ,
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3 | HVDC TRANSFORMER INSULATION: OIL CONDUCTIVITY, A. Küchler, Convenor, U. Piovan, M. Berglund, G. Chen, A. Denat,J. Fabian, R. Fritsche, T. Grav, S. Gubanski, M. Kadowaki, Ch. Krause, A. Langens, S. Mori, B. Noirhomme, H. Okubo, M. Rösner, F. Scatiggio, J.Schiessling, F. Schober, P. Smith, P. Wedin, CIGRE Technical Brochure,JWG A2/D1.41No.646, pp.1-95, 2016, , , 2016年01月, ,
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4 | Size effect on breakdown strength in sub-cooled liquid nitrogen for superconducting power apparatus, Naoki Hayakawa Seiichiro Nishimachi Hiroki KojimaHitoshi Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.22, No.5, pp.2565-2571, , , 2015年10月, ,
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5 | Power Flow Control and Maintenance Strategy of Transformers in Transmission and Distribution Systems, Hiroki KojimaKoki FukayaNaoki HayakawaMasahiro HanaiHitoshi Okubo, 電気学会 論文誌B(電力・エネルギー部門誌)Vol.135, No.5, pp.316–321 , , , 2015年05月, ,
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6 | New aspects of UHF PD diagnostics on gas-insulated systems, S.Okabe, G.Ueta, H.Hama, T.Ito, M.Hikita, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.21, No.5, pp.2245-2258, , , 2014年10月, ,
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7 | Pre-discharge and Flashover Characteristics of Impulse Surface Discharge in Vacuum,, Y.Nakano, H.Kojima, N.Hayakawa, K.Tsuchiya, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.21, No.1, pp.403-410, , , 2014年02月, ,
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8 | Technique for Discriminating the Type of PD in SF6 Gas Using the UHF Method and the PD Current with a Metallic Particle, M.Hanai, H.Kojima, N.Hayakawa, R.Mizuno, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.21, No.1, pp.88-95, , , 2014年02月, ,
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9 | Integration of Asset Management and Smart Grid with Intelligent Grid Management System, M.Hanai, H.KojimaN.Hayakawa, K.ShinodaH.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.20, No.6, pp.2195-2202, , , 2013年12月, ,
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10 | Feasibility Study on Superconducting Power Flow Controller and Fault Current Limiter (SPFCL), N.Hayakawa, X.Mao, H.Kojima, M.Hanai, H.Okubo, N.Kashima, S.Nagaya, S.Sugimoto, IEEE Transactions on Applied Superconductivity, Vol.23, No.3, Part 2, 5600504, , , 2013年06月, ,
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11 | Physical Mechanisms of Partial Discharges at Nitrogen Filled Delamination in Epoxy Cast Resin Power Apparatus, D.-E. A. Mansour, H. Kojima, N.Hayakawa, M. Hanai,H. Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.20, No.2, pp.454-461, , , 2013年04月, ,
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12 | Enhancement of Electrical Insulation Performance in Power Equipment Based on Dielectric Material Properties (筆頭論文), H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.19, No.3, pp. 733-754, , , 2012年06月, ,
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13 | Estimation of Partial Discharge Inception Voltage of Magnet Wires under Inverter Surge Voltage by Volume-Time Theory, N.Hayakawa, F.Shimizu, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.19, No.2, pp.550-557, , , 2012年04月, ,
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14 | Feasibility Study on High-Temperature Super- conducting Fault-Current- Limiting Cable (SFCLC) Using Flux-Flow Resistance, H.Kojima, F.Kato, N.Hayakawa, M.Hanai, H.Okubo, IEEE Transactions on Applied Superconductivity, Vol.22, No.2, 4800105, , , 2012年04月, ,
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15 | Conditioning Mechanism of Cu-Cr Electrode Based on Electrode Surface State under Impulse Voltage Application in Vacuum, H.Kojima, N.Hayakawa, R.Nishimura, H.Okubo, H.Sato, H.Saito, Y.Noda, IEEE Transactions on Dielectrics and Electrical Insulation Vol.18, No.6, pp.2108-2114, , , 2011年12月, ,
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16 | 部分放電の時系列測定によるGIS内部の欠陥状態識別, 吉田昌展,鈴木啓介,小島寛樹,早川直樹,花井正広,大久保仁, 電気学会論文誌B, Vol. 131, No. 11, pp. 905-911, , , 2011年11月, ,
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17 | Analysis of Current Limiting and Recovery Characteristics of Superconducting Fault Current Limiting Transformer (SFCLT) with YBCO Coated Conductors, N.Hayakawa, T.Kito, H.Kojima, M.Hanai, H.Okubo, IEEE Transactions on Applied Superconductivity, Vol.21, No.3, Part 2, pp.1422-1425, , , 2011年06月, ,
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18 | Current Limiting and Recovery Characteristics of 2MVA Class Superconducting Fault Current Limiting Transformer (SFCLT), H.Kojima, M.Kotari, T.Kito, N.Hayakawa, M.Hanai, H.Okubo, IEEE Transactions on Applied Superconductivity, Vol.21, No.3, Part 2, pp.1401-1404, , , 2011年06月, ,
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19 | Development Process of Impulse Surface Flashover on Alumina Dielectrics in Vacuum, H.Kojima, N.Hayakawa, T.Ishida, H.Okubo, K.Tsuchiya, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.18, No.3, pp.918-923, , , 2011年06月, ,
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20 | Partial Discharge-Induced Degradation Characteristics of Insulating Structure Constituting Oil-Immersed Power Transformers, S.Okabe, G.Ueta, H.Wada, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.17, No.5, pp.1649-1656, , , 2010年10月, ,
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21 | 真空中インパルス電圧印加時における電極間微小電流発生メカニズムの検討, 青木圭太,安川英明,小島寛樹,本間三孝,塩入哲,大久保仁, 電気学会論文誌A, Vol.130, No.9, pp.781-786, , , 2010年09月, ,
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22 | Permittivity Characteristics of Epoxy/Alumina Nano- composite with High Particle Dispersibility by Combining Ultrasonic Wave and Centrifugal Force, M.Kurimoto, H.Okubo, K.Kato, M.Hanai, Y.Hoshina, M.Takei, N.Hayakawa, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.17, No.4, pp.1268-1275, , , 2010年08月, ,
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23 | Investigation of Charge Behavior in Low Viscosity Silicone Liquid by Kerr Electro-optic Field Measurement, K.Kato, H.Okubo, F.Endo, A.Yamagishi, K.Miyagi, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.17, No.4, pp.1214-1220, , , 2010年08月, ,
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24 | Partial Discharge and Associated Mechanisms for Micro Gap Delamination at Epoxy Spacer in GIS, D.Mansour, H.Kojima, N.Hayakawa, F.Endo, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.17, No.3, pp.855-861, , , 2010年06月, ,
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25 | Development of 2 MVA Class Superconducting Fault Current Limiting Transformer (SFCLT) with YBCO Coated Conductors, M.Kotari, H.Kojima, N.Hayakawa, F.Endo, H.Okubo, Journal of Physics: Conference Series, Vol.234, Part 3, 032070, , , 2010年06月, ,
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26 | Dielectric Properties of Epoxy/Alumina Nano- composite Influenced by Control of Micrometric Agglomerates, M.Kurimoto, H.Okubo, K.Kato, M.Hanai, Y.Hoshina, M.Takei, N.Hayakawa, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.17, No.3, pp.662-670, , , 2010年06月, ,
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27 | Influence of Surface Charges on Impulse Flashover Characteristics of Alumina Dielectrics in Vacuum, K.Kato, H.Kato, T.Ishida, H.Okubo, K.Tsuchiya, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.16, No.6, pp.1710-1716, , , 2009年12月, ,
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28 | Space Charge Behavior in Palm Oil Fatty Acid Ester (PFAE) by Electro-optic Field Measurement, K.Kato, T.Nara, H.Okubo, F.Endo, A.Yamazaki, H.Koide, Y.Hatta, T.Hikosaka, IEEE Transactions on Dielectrics and Electrical Insulation,Vol.16, No.6, pp.1566-1573, , , 2009年12月, ,
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29 | Dynamic Thermal Character- istics of HTS Coil for Conduction Cooled SMES, H.Kojima, X.Chen, N.Hayakawa, F.Endo,H.Okubo, IEEE Transactions on Applied Super- conductivity, Vol.19, No.3, pp.2036-2039, , , 2009年06月, ,
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30 | Cross-sectional Comparison of Insulation Degradation Mechanisms and Lifetime Evaluation of Power Transmission Equipment, Y.Shirasaka, H.Murase, S.Okabe, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.16, No.2, pp.560-573, , , 2009年04月, ,
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31 | Time Variation of Partial Discharge Activity Leading to Breakdown of Magnet Wire under Repetitive Surge Voltage Application, N.Hayakawa, H.Inano, Y.Nakamura, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.15, No.6, pp.1701-1706, , , 2008年12月, ,
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32 | High-Tc Superconducting Fault Current Limiting Transformer (HTc-SFCLT) with 2G Coated Conductors(筆頭論文), H.Okubo, C.Kurupakorn, S.Ito, H.Kojima, N.Hayakawa, F.Endo, M.Noe, IEEE Transactions on Applied Super-conductivity, Vol.17, Issue 2, Part 2, pp.1768-1771, , , 2007年04月, ,
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33 | Impulse and ac Partial Discharge Inception and Breakdown Characteristics of LN2/Polypropylene Laminated Paper Composite Insulation System(筆頭論文), H.Okubo, H.Kojima, F.Endo, K.Sahara, N.Hayakawa, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.13, No.3, pp.664-669, , , 2006年06月, ,
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34 | A Novel Technique for Partial Discharge and Breakdown Investigation Based on Current Pulse Waveform Analysis(筆頭論文), H.Okubo, N.Hayakawa, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.12, No.4, pp.736-744, , , 2005年08月, ,
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35 | Electrode Conditioning Char- acteristics in Vacuum under Impulse Voltage Application in Non-uniform Electric Field, F. Miyazaki, Y.Inagawa , K.Kato M.Sakaki, H.Ichikawa, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.12, No.1, pp.17-23, , , 2005年02月, ,
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36 | Dc Field Measurement in Oil/ Pressboard Composite Insulation System by Electro- Optic Kerr Effect, M.Wakamatsu, K.Kato, N.Inoue, H.Koide, H.Okubo, IEEE Transactions on Dielectrics and Electrical Insulation, Vol.10, No.6, pp.942-947, , , 2003年12月, ,
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講演・口頭発表等 |
No. | タイトル, 講演者, 会議名, 開催地, 開催年月日, 主催者
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1 | 直流油浸複合絶縁におけるプレスボード配置による電界制御効果, 酒井 崇行, 古屋鋪 樹, 加藤 克巳, 大久保 仁, 電気学会 全国大会(東北大学), , 2016年03月01日,
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2 | 交直変換用油入変圧器内の電界解析による電気絶縁性能の比較検討, 大久保仁, 酒井崇行, 古屋鋪樹, 電気学会 全国大会(東北大学), , 2016年03月01日,
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3 | 空気中棒電極における高電圧直流部分放電・帯電現象と絶縁破壊特性, 古屋鋪 樹, 酒井 崇行, 加藤 克巳, 大久保 仁, 電気学会 全国大会(東北大学), , 2016年03月01日,
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4 | SF6ガス中固体絶縁物周囲のHVDC直流電界解析と電気絶縁性能の検討, 酒井 崇行 , 古屋鋪 樹, 大久保 仁 , 電気学会基礎・材料・共通部門大会(金沢工大), , 2015年09月01日,
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5 | 空気/固体複合絶縁における直流部分放電、帯電及び絶縁破壊特性, 古屋鋪 樹, 酒井 崇行, 大久保 仁, 電気学会 東海支部連合大会, , 2015年09月01日,
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6 | HVDCガス絶縁開閉装置(GIS)における直流電界解析と電気絶縁性能の検討, 酒井 崇行 , 古屋鋪 樹, 大久保 仁, 電気学会 東海支部連合大会, , 2015年09月01日,
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7 | 空気・固体複合絶縁における直流部分放電,帯電及び絶縁破壊特性, 古屋鋪 樹, 酒井 崇行, 大久保 仁, 電気学会,基礎・材料・共通部門大会(金沢), , 2015年09月01日,
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8 | DEPENDENCE OF CHARGE BEHAVIOR ON ELECTRIC FIELD DISTRIBUTION AROUND GIS SPACER UNDER HVDC APPLICA-TION AND POLARITY REVERSAL , K. Kato, H. Okubo, The 19th International Symposium on High Voltage Engineering, Pilsen, Czech RepublicNo.152, , 2015年08月23日,
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9 | THE INFLUENCE OF CHARGING ON SOLID INSULATOR SURFACE ON HVDC PARTIAL DISCHARGE ACTIVITIES AND FLASHOVER CHARACTERISTICS IN AIR , T. Furuyashiki, T. Sakai, N. Hayakawa, H. Okubo , The 19th International Symposium on High Voltage Engineering, Pilsen, Czech RepublicNo.149, , 2015年08月23日,
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10 | KERR ELECTRO-OPTIC FIELD MEASUREMENT AND ELECTRI-CAL INSULATION TECHNIQUES IN HVDC OIL-PRESSBOARD COMPOS-ITE INSULATION SYSTEMS , H. Okubo, H. Kojima, N. Hayakawa, S. Jaufer, Ch. Krause, The 19th International Symposium on High Voltage Engineering, Pilsen, Czech RepublicNo.184, , 2015年08月23日,
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11 | OPTIMIZATION OF SMALL LAYER WITH CONDUCTIVITY ON CONE TYPE GIS SPACER SURFACE FOR RELAXATION OF ELECTRIC FIELD , K. Kato, N. Hayakawa, H. Okubo, The 19th International Symposium on High Voltage Engineering, Pilsen, Czech Republic, No.169, , 2015年08月23日,
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12 | ELECTRICAL INSULATION PERFORMANCE UNDER HVDC AND POLARITY REVERSAL CONDITIONS IN OIL-IMMERSED DC CONVERTER TRANSFORMERS , H. Okubo, T. Sakai, T. Furuyashiki , K. Kato , The 19th International Symposium on High Voltage Engineering, Pilsen, Czech RepublicNo.114, , 2015年08月23日,
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13 | ELECTRIC FIELD ANALYSIS AND ELECTRICAL INSULATION PERFORMANCE FOR SOLID INSULATOR IN HVDC GAS INSULATED SWITCHGEAR , T. Sakai, T. Furuyashiki, K. Kato, H. Okubo, The 19th International Symposium on High Voltage Engineering, Pilsen, Czech RepublicNo.146, , 2015年08月23日,
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14 | ASSET MANAGEMENT FOR POWER APPARATUS WITH INTELLIGENT GRID MANAGE-MENT SYSTEM (IGMS), H. Kojima, K. Fukaya, N. Hayakawa, M. Hanai, H. Okubo , The 19th International Symposium on High Voltage Engineering, Pilsen, Czech RepublicNo.153, , 2015年08月23日,
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15 | Electric Field Analysis and Electrical Insulation Performance for Solid Spacer in HVDC GasInsulated Switchgear, T. Sakai, T. Furuyashiki, H. Okubo, The 9th Asia-Pacific International Conference on Lightning (APL 2015), Nagoya, JapanNo.1139, , 2015年06月23日,
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16 | Influence of HVDC Charging of Solid Insulators on Partial Discharge and FlashoverCharacteristics in Air, T. Furuyashiki, T. Sakai, H. Okubo, The 9th Asia-Pacific International Conference on Lightning (APL 2015), Nagoya, Japan, No.1143, , 2015年06月23日,
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17 | 我が国内外におけるGISの最新・将来技術動向, 大久保仁, 電気学会,ガス絶縁開閉装置 第4回 調査専門委員会, , 2014年11月25日,
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18 | 変圧器の技術革新に向けた展望, 大久保仁, 電気学会 電力・エネルギー B部門大会 座談会 , , 2014年09月12日,
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19 | Electric Field Grading Techniques in Power Apparatus Using Functionally Materials, N.Hayakawa, K.Kato,H.Okubo, H.Hama, Y.Hoshina, T.Rokunohe, CIGRE SC D1, 309, , 2014年09月,
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20 | Planning Maintenance Strategy for Power Apparatus and T&D System with Intelligent Grid Management System (IGMS), H. Kojima, K. Fukaya, M. Hanai,N. HayakawaH.Okubo, CMD 2014, OB6-02,Jeju, Korea, , 2014年09月,
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21 | Breakdown characteristics and size effect in sub-cooled liquid nitrogen, N. Hayakawa, S.Nishimachi, T.Matsuoka, H.Kojima, H.Okubo, IEEE 18th International Conference on Dielectric Liquids (ICDL), pp.1-44 , , 2014年06月,
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22 | HEV/EV 自動車用モータの高電圧電気絶縁技術動向, 大久保仁, 埼玉大学 地域産学官共同研究拠点,埼玉次世代自動車環境関連技術イノベーション創出センター, , 2014年05月28日,
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23 | Electric field control in coaxial disk-type solid insulator by functionally graded materials (FGM), J.Ishiguro, M.Kurimoto,H.Kojima, K.Kato, H.Okubo, N.Hayakawa, , IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), pp.663-666, , 2014年01月,
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24 | ガス絶縁開閉装置(GIS)スペーサの種々の電界分布に対する導電性付与による電界緩和最適化, 菅彩水,加藤 克巳,早川直樹, 大久保仁, 電気学会,基礎・材料・共通部門大会, , 2013年09月01日,
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25 | Strategic Approach to Rational Maintenance Method and Refurbishment Plan of Power Transformers, H.Okubo, K.Ogata, T.Kobayashi, Y.Matsushita, M.Kadowaki, S.Yamada,H.Murakami, CIGRE SC A2 & C4 JOINT COLLOQUIUM,Zurich, Switzerland, , 2013年09月,
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26 | Intelligent Power Flow Control and Maintenance Technology by IGMS (Intelligent Grid Management System), M.HANAI, H.KOJIMA, N.HAYAKAWA, H.OKUBO, CIGRE Study Committee B3 & Study Committee D1 COLLOQUIUM,Brisbane Australia, No.191, , 2013年09月,
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27 | Advanced Electrical Insulation Techniques for Higher Voltage Vacuum Interrupters, H.OKUBO, H.KOJIMA, K.KATO, N.HAYAKAWA, M.HANAI, CIGRE Study Committee B3 & Study Committee D1 COLLOQUIUM,Brisbane Australia, No218, , 2013年09月,
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28 | 真空中スパークコンディショニングにおける電流制御による耐電圧向上, 大竹泰智,小島寛樹,早川直樹,長谷川光佑,斉藤仁,榊正幸,大久保仁, 電気学会,電力・エネルギー部門大会, , 2013年08月27日,
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29 | SF6 ガス中部分放電電流波形が放射電磁波の周波数特性に与える影響, 水野龍之介,花井正広,小島寛樹,早川直樹,吉田昌展,大久保仁, 電気学会,電力・エネルギー部門大会, , 2013年08月27日,
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30 | 電力系統最適運用システム(IGMS)による機器状態と潮流の協調制御, 深谷皇紀,篠田康生,小島寛樹,花井正広,早川直樹,大久保仁, 電気学会,電力・エネルギー部門大会, , 2013年08月27日,
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31 | 超電導限流ケーブル(SFCLC)の限流特性に及ぼす運転温度分布による影響, 大澤岳士,小島寛樹,早川直樹,花井正広,大久保仁, 電気学会,電力・エネルギー部門大会, , 2013年08月27日,
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32 | CHARGING CHARACTERISTICS ON SOLID DIELECTRICS UNDER VARIOUS SURFACE CONDUCTIVITY IN HVDC GIS, K.Kato, N.Hayakawa, H.Okubo, 18th International Symposium on High Voltage Engineering, Seoul, Korea, , 2013年08月,
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33 | LEADER ONSET AND BREAKDOWN MECHANISMS UNDER NON-UNIFORM ELECTRIC FIELD IN AIR, H.Kojima, K.Hotta, N.Hayakawa, N.Yanagita, T.Kato, T.Rokunohe, H.Okubo, 18th International Symposium on High Voltage Engineering, Seoul, Korea, , 2013年08月,
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34 | TRANSITION MECHANISM FROM PRE-DISCHARGE TO FLASHOVER ON ALUMINA DIELECTRICS IN VACUUM, Y.Nakano, H.Kojima, N.Hayakawa, K.Tsuchiya, H. Okubo, 18th International Symposium on High Voltage Engineering, Seoul, Korea, , 2013年08月,
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35 | OPTIMUM POWER FLOW AND DEGRADATION CONTROL OF POWER APPARATUS BY CMD WITH INTELLIGENT GRID MANAGEMENT SYSTEM (IGMS), M.Hanai, K.Shinoda, H.Kojima, N.Hayakawa, H.Okubo, 18th International Symposium on High Voltage Engineering, Seoul, Korea, , 2013年08月,
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36 | ELECTRIC FIELD RELAXATION BY ADDING MODERATE CONDUCTIVITY LAYER ON GIS SPACER SURFACE, K.Kato, J.Ishiguro, N.Hayakawa, Okubo, 18th International Symposium on High Voltage Engineering, Seoul, Korea, , 2013年08月,
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37 | HVDC transformer insulationRecommendations for the measurement of conductivity of oil impregnated pressboard, A.Küchler, Ch.Krause, R.Fritsche, F.Schober, G.Chen, H.Okubo, M.Kadowaki, J.Fabian, M.Roesner, S.Uhrig , CIGRE JWG A2/D1 41, , 2013年01月,
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38 | Partial Discharge Characteristics and Mechanisms in Consideration of Charge Behavior on AluminaDielectrics under AC Voltage in Vacuum, H.Kojima, M.Ishida, N. Hayakawa, M.Hanai, J.Ikeda, T.Shioiri, H.Okubo, 2nd International Conference on Electric Power Equipment – Matsue, Japan, , 2013年01月,
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39 | Inception and Expansion Process of Surface Flashover on Solid Dielectrics in Vacuum, Y.Nakano, H.Kojima, N.Hayakawa, K.Tsuchiya, H.Okubo, 2nd International Conference on Electric Power Equipment – Matsue, Japan, , 2013年01月,
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40 | Dependence of TiO2 and ZnO nanoparticle concentration on electrical insulation characteristics of insulating oil, M.Hanai,S.Hosomi, H.Kojima, N.Hayakawa, H.Okubo, IEEE CEIDP(Conference on Electrical Insulation and Dielectric Phenomena), Shenzen, China, , 2013年01月,
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41 | Conditioning Process of Multi-gap Electrode System with Cu-Cr Rod Electrode in Vacuum, Y.Otake, H.Kojima, N.Hayakawa, K.Hasegawa, H.Saito, M.Sakaki, H.Okubo, 2nd International Conference on Electric Power Equipment – Matsue, Japan, , 2013年01月,
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42 | Key Electrical Insulation Techniques for Power Equipment in Power Transmission Smart Grid, Hitoshi Okubo, 2nd International Conference on Electric Power Equipment – Matsue, Japan (Invited talk), , 2013年01月,
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43 | Development of Discharge Inception Simulator Considering Environmental Factors Using Advection-Diffusion Model, A.Ohtake, K.Kobayashi, T.Kato, N.Yanagita, T.Rokunohe, H.Kojima, N.Hayakawa, H.Okubo, 2nd International Conference on Electric Power Equipment – Matsue, Japan, , 2013年01月,
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