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Hiromi Koga
Hiromi Koga
Mitsubishi Electric
Electronic engineering
Materials science
Electronic circuit
Inverter
Overvoltage
4
Papers
24
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Measurement of contamination amount and direct simulation Monte Carlo simulation of contamination process in a model vacuum interrupter
2021
Ieej Transactions on Electrical and Electronic Engineering
Toshihiko Takematsu
Taiki Donen
Hiromi Koga
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Insulation technology in dry air and vacuum for a 72-kV low-pressure dry-air insulated switchgear
2011
Electrical Engineering in Japan
Tadahiro Yoshida
Hiromi Koga
Takakazu Harada
Shinichi Miki
Masahiro Arioka
Shinji Sato
Satoru Yoshida
Naoaki Inoue
Akihiko Maruyama
Toshie Takeuchi
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Vacuum switch chopping current in inverter circuit
2010
ISDEIV | International Symposium on Discharges and Electrical Insulation in Vacuum
Mitsuru Tsukima
Junichi Abe
Hidetoshi Kitanaka
Hiromi Koga
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Influence of vacuum arc behavior on current interrupting limit of spiral contact
2000
ISDEIV | International Symposium on Discharges and Electrical Insulation in Vacuum
Toshinori Kimura
A. Sawada
Kenichi Koyama
Hiromi Koga
Tomotaka Yano
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Citations (14)
1