交流電線路における直流電圧の課電判別方法、その直流電圧の除去方法、及び、地絡時の交流電線路の電位上昇防止装置

Title:

交流電線路における直流電圧の課電判別方法、その直流電圧の除去方法、及び、地絡時の交流電線路の電位上昇防止装置

Document Type and Number:

Japanese Patent JP3615170

Kind Code:

B2

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Inventors:

Kazuhiko Furuya
Shigeyoshi Sakai
Hisao Noguchi
Hironobu Nakano

Application Number:

JP2001256710A

Publication Date:

January 26, 2005

Filing Date:

August 27, 2001

Export Citation:

Assignee:

Kandenko Co., Ltd.
Kosho Corporation

International Classes:

G01R19/155; H02H3/14; H02H11/00; (IPC1-7): H02H11/00; G01R19/155

Domestic Patent References:

Attorney, Agent or Firm:

Noriaki Fujisawa
Masanori Fujisawa

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