JPH0331230B2 - - Google Patents

Info

Publication number
JPH0331230B2
JPH0331230B2 JP58049740A JP4974083A JPH0331230B2 JP H0331230 B2 JPH0331230 B2 JP H0331230B2 JP 58049740 A JP58049740 A JP 58049740A JP 4974083 A JP4974083 A JP 4974083A JP H0331230 B2 JPH0331230 B2 JP H0331230B2
Authority
JP
Japan
Prior art keywords
frequency
ground fault
detector
output
overcurrent
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
JP58049740A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59173776A (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 JP58049740A priority Critical patent/JPS59173776A/ja
Priority to DE8484103022T priority patent/DE3478655D1/de
Priority to EP84103022A priority patent/EP0123129B1/en
Priority to US06/592,440 priority patent/US4589046A/en
Priority to CA000450217A priority patent/CA1210453A/en
Publication of JPS59173776A publication Critical patent/JPS59173776A/ja
Publication of JPH0331230B2 publication Critical patent/JPH0331230B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP58049740A 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 JPS59173776A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58049740A JPS59173776A (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
DE8484103022T DE3478655D1 (en) 1983-03-23 1984-03-20 Apparatus for detecting ground fault in variable-voltage variable-frequency power system
EP84103022A EP0123129B1 (en) 1983-03-23 1984-03-20 Apparatus for detecting ground fault in variable-voltage variable-frequency power system
US06/592,440 US4589046A (en) 1983-03-23 1984-03-22 Apparatus for detecting ground fault in variable-voltage variable-frequency power system
CA000450217A CA1210453A (en) 1983-03-23 1984-03-22 Apparatus for detecting ground fault in variable- voltage variable-frequency power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58049740A JPS59173776A (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
JPS59173776A JPS59173776A (ja) 1984-10-01
JPH0331230B2 true JPH0331230B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-05-02

Family

ID=12839579

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58049740A Granted JPS59173776A (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) JPS59173776A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5858215B2 (ja) * 2010-11-19 2016-02-10 富士電機株式会社 非接地回路の地絡検出回路

Also Published As

Publication number Publication date
JPS59173776A (ja) 1984-10-01

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