大久保仁 (Hitoshi Okubo) - マイポータル

基本情報

学位: 博士(工学)(名古屋大学)

J-GLOBAL ID: 200901028112022953
researchmap会員ID: 5000075870

外部リンク: http://www.okubo.nagoya-u.ac.jp

研究キーワード

研究分野

経歴

名古屋大学大学院工学研究科電子情報システム専攻大学院工学研究科・工学部電子情報システム専攻, 教授

委員歴

1996年 - 1997年

電気学会, A部門役員
1993年 - 1994年

電気学会, B部門役員

受賞

MISC

Application of Functionally Graded Material for Reducing Electric Field on Electrode and Spacer Interface

Muneaki Kurimoto, Katsumi Kato, Masahiro Hanai, Yoshikazu Hoshina, Masafumi Takei, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 17(1) 256-263 2010年2月
Charge Accumulation Effects on Time Transition of Partial Discharge Activity at GIS Spacer Defects

Diaa-Eldin A. Mansour, Kanako Nishizawa, Hiroki Kojima, Naoki Hayakawa, Fumihiro Endo, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 17(1) 247-255 2010年2月
Influence of Surface Charges on Impulse Flashover Characteristics of Alumina Dielectrics in Vacuum

Katsumi Kato, Hidenori Kato, Tsugunari Ishida, Hitoshi Okubo, Kenji Tsuchiya

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 16(6) 1710-1716 2009年12月
Space Charge Behavior in Palm Oil Fatty Acid Ester (PFAE) by Electro-optic Field Measurement

Katsumi Kato, Tsutomu Nara, Hitoshi Okubo, Fumihiro Endo, Akina Yamazaki, Hidenobu Koide, Yasunori Hatta, Tomoyuki Hikosaka

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 16(6) 1566-1573 2009年12月
Surface Charge Accumulation and Partial Discharge Activity for Small Gaps of Electrode/Epoxy Interface in SF6 Gas

Diaa-Eldin A. Mansour, Hiroki Kojima, Naoki Hayakawa, Fumihiro Endo, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 16(4) 1150-1157 2009年8月
Dynamic Thermal Characteristics of HTS Coil for Conduction-Cooled SMES

Hiroki Kojima, Xin Chen, Naoki Hayakawa, Fumihiro Endo, Hitoshi Okubo

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 19(3) 2036-2039 2009年6月
Current Limiting Characteristics of Parallel-Connected Coated Conductors for High-Tc Superconducting Fault Current Limiting Transformer (HTc-SFCLT)

Koki Omura, Hiroki Kojima, Naoki Hayakawa, Fumihiro Endo, Mathias Noe, Hitoshi Okubo

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 19(3) 1880-1883 2009年6月
Cross-sectional Comparison of Insulation Degradation Mechanisms and Lifetime Evaluation of Power Transmission Equipment

Yukiyasu Shirasaka, Hiroshi Murase, Shigemitsu Okabe, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 16(2) 560-573 2009年4月
Time Variation of Partial Discharge Activity Leading to Breakdown of Magnet Wire under Repetitive Surge Voltage Application

Naoki Hayakawa, Hiroshi Inano, Yusuke Nakamura, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 15(6) 1701-1706 2008年12月
Optimization Technique for Electrical Insulation Design of Vacuum Interrupters

Katsumi Kato, Shuhei Kaneko, Shigemitsu Okabe, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 15(5) 1456-1463 2008年10月
Partial discharge activity in electrical insulation for high temperature superconducting (HTS) cables

H. Okubo, H. Kojima, F. Endo, K. Sahara, R. Yamaguchi, N. Hayakawa

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 15(3) 647-654 2008年6月
Detection of harmful metallic particles inside gas insulated switchgear using UHF sensor

Shigemitsu Okabe, Tokio Yamagiwa, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 15(3) 701-709 2008年6月
Cross-equipment evaluation of partial discharge measurement and diagnosis techniques in electric power apparatus for transmission and distribution

Masayuki Hikita, Shigemitsu Okabe, Hiroshi Murase, Hitoshi Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 15(2) 505-518 2008年4月
破壊前駆電流に基づく真空中不平等電界下のコンディショニングメカニズムに関する検討

安岡孝倫, 加藤智弘, 加藤克巳, 大久保仁

電気学会論文誌B 128(12) 1445-1451 2008年
Self-recovery Characteristics of High-Tc Superconducting Fault Current Limiting Transformer (HTc-SFCLT) with 2G Coated Conductors

H. Kojima, S. Ito, N. Hayakawa, F. Endo, M. Noe, H. Okubo

8TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY (EUCAS'07) 97 012154 2008年
Breakdown characteristics of N2O gas mixtures for quasi-uniform electric field under lightning impulse voltage

Hiroki Kojima, Osamu Kinoshita, Naoki Hayakawa, Fumihiro Endo, Hitoshi Okubo, Masanobu Yoshida, Tatsuya Ogawa

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 14(6) 1492-1497 2007年12月
Thermal runaway characteristics of Bi2212 coil for conduction-cooled SMES

Hiroki Kojima, Naoki Hayakawa, Shinki Noguchi, Fumihiro Endo, Naoki Hirano, Shigeo Nagaya, Hitoshi Okubo

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 17(2) 1959-1962 2007年6月
High-Tc superconducting fault current limiting transformer (HTc-SFCLT) with 2G coated conductors

H. Okubo, C. Kurupakorn, S. Ito, H. Kojima, N. Hayakawa, F. Endo, M. Noe

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 17(2) 1768-1771 2007年6月
Surface charges on alumina in vacuum with varying surface roughness and electric field distribution

Takafumi Hosono, Katsumi Kato

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 14(3) 627-633 2007年6月
Breakdown conditioning characteristics of long gap electrodes in a vacuum

Y. Fukuoka, T. Yasuoka, K. Kato, H. Okubo

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 14(3) 577-582 2007年6月

もっとみる

所属学協会

Works(作品等)

ナノコンポジット粒子を充填した傾斜機能誘電体の開発

2006年