JPS623653B2 - - Google Patents

Info

Publication number
JPS623653B2
JPS623653B2 JP52022422A JP2242277A JPS623653B2 JP S623653 B2 JPS623653 B2 JP S623653B2 JP 52022422 A JP52022422 A JP 52022422A JP 2242277 A JP2242277 A JP 2242277A JP S623653 B2 JPS623653 B2 JP S623653B2
Authority
JP
Japan
Prior art keywords
circuit
signal
thyristor
ground fault
phase
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
Application number
JP52022422A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53107640A (en
Inventor
Eiichi Sato
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 JP2242277A priority Critical patent/JPS53107640A/ja
Publication of JPS53107640A publication Critical patent/JPS53107640A/ja
Publication of JPS623653B2 publication Critical patent/JPS623653B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP2242277A 1977-03-01 1977-03-01 Grounding fault detector Granted JPS53107640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2242277A JPS53107640A (en) 1977-03-01 1977-03-01 Grounding fault detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2242277A JPS53107640A (en) 1977-03-01 1977-03-01 Grounding fault detector

Publications (2)

Publication Number Publication Date
JPS53107640A JPS53107640A (en) 1978-09-19
JPS623653B2 true JPS623653B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-01-26

Family

ID=12082231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2242277A Granted JPS53107640A (en) 1977-03-01 1977-03-01 Grounding fault detector

Country Status (1)

Country Link
JP (1) JPS53107640A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6369775B2 (ja) * 2013-03-29 2018-08-08 パナソニックＩｐマネジメント株式会社 漏電検出装置
US10931097B2 (en) 2017-09-25 2021-02-23 Schweitzer Engineering Laboratories, Inc. Generator stator ground protection using third harmonic
US10333291B2 (en) 2017-09-25 2019-06-25 Schweitzer Engineering Laboratories, Inc. Multiple generator ground fault detection
US10797632B2 (en) 2018-08-21 2020-10-06 Schweitzer Engineering Laboratories, Inc. Sensitive directional element for generator protection
US11316455B2 (en) 2019-08-28 2022-04-26 Schweitzer Engineering Laboratories, Inc. Generator rotor turn-to-turn fault detection using fractional harmonics
US10819261B1 (en) 2019-10-25 2020-10-27 Schweitzer Engineering Laboratories, Inc. Security improvements for electric power generator protection
US11946966B1 (en) 2023-02-20 2024-04-02 Schweitzer Engineering Laboratories, Inc. Selective stator ground fault protection using positive-sequence voltage reference

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4725251U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-04-06 1972-11-21
JPS4864729U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-11-22 1973-08-16

Also Published As

Publication number Publication date
JPS53107640A (en) 1978-09-19

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