JPH0369073B2 - - Google Patents

Info

Publication number
JPH0369073B2
JPH0369073B2 JP58049739A JP4973983A JPH0369073B2 JP H0369073 B2 JPH0369073 B2 JP H0369073B2 JP 58049739 A JP58049739 A JP 58049739A JP 4973983 A JP4973983 A JP 4973983A JP H0369073 B2 JPH0369073 B2 JP H0369073B2
Authority
JP
Japan
Prior art keywords
voltage
ground fault
frequency
protective relay
physical quantity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58049739A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59173775A (ja
Inventor
Shinji Takada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP58049739A priority Critical patent/JPS59173775A/ja
Priority to DE8484100414T priority patent/DE3463301D1/de
Priority to EP84100414A priority patent/EP0122366B1/en
Priority to US06/571,656 priority patent/US4589048A/en
Priority to CA000445899A priority patent/CA1210814A/en
Publication of JPS59173775A publication Critical patent/JPS59173775A/ja
Publication of JPH0369073B2 publication Critical patent/JPH0369073B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP58049739A 1983-03-23 1983-03-23 可変電圧可変周波数電力系統の地絡検出装置 Granted JPS59173775A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58049739A JPS59173775A (ja) 1983-03-23 1983-03-23 可変電圧可変周波数電力系統の地絡検出装置
DE8484100414T DE3463301D1 (en) 1983-03-23 1984-01-17 Apparatus for detecting ground fault in variable-voltage variable-frequency power system
EP84100414A EP0122366B1 (en) 1983-03-23 1984-01-17 Apparatus for detecting ground fault in variable-voltage variable-frequency power system
US06/571,656 US4589048A (en) 1983-03-23 1984-01-17 Apparatus for detecting ground fault in variable-voltage variable-frequency power system
CA000445899A CA1210814A (en) 1983-03-23 1984-01-23 Apparatus for detecting ground fault in variable- voltage variable-frequency power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58049739A JPS59173775A (ja) 1983-03-23 1983-03-23 可変電圧可変周波数電力系統の地絡検出装置

Publications (2)

Publication Number Publication Date
JPS59173775A JPS59173775A (ja) 1984-10-01
JPH0369073B2 true JPH0369073B2 (enrdf_load_stackoverflow) 1991-10-30

Family

ID=12839551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58049739A Granted JPS59173775A (ja) 1983-03-23 1983-03-23 可変電圧可変周波数電力系統の地絡検出装置

Country Status (1)

Country Link
JP (1) JPS59173775A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS609408B2 (ja) * 1980-04-24 1985-03-09 ニシム電子工業株式会社 接地検出方法
JPS5796272A (en) * 1980-12-08 1982-06-15 Nishimu Denshi Kogyo Kk Zero phase current detection

Also Published As

Publication number Publication date
JPS59173775A (ja) 1984-10-01

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