JPS5366548A - Grounding fault detector for dc circuit - Google Patents

Grounding fault detector for dc circuit

Info

Publication number
JPS5366548A
JPS5366548A JP14272176A JP14272176A JPS5366548A JP S5366548 A JPS5366548 A JP S5366548A JP 14272176 A JP14272176 A JP 14272176A JP 14272176 A JP14272176 A JP 14272176A JP S5366548 A JPS5366548 A JP S5366548A
Authority
JP
Japan
Prior art keywords
grounding fault
circuit
fault detector
grounding
unballance
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.)
Pending
Application number
JP14272176A
Other languages
Japanese (ja)
Inventor
Satoru Ueda
Kazushige Takeda
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 JP14272176A priority Critical patent/JPS5366548A/en
Publication of JPS5366548A publication Critical patent/JPS5366548A/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To detect grounding fault point without isolating normal load, by penetrating positive/negative bus through saturable reactor and detecting unballance due to grounding fault.
COPYRIGHT: (C)1978,JPO&Japio
JP14272176A 1976-11-27 1976-11-27 Grounding fault detector for dc circuit Pending JPS5366548A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14272176A JPS5366548A (en) 1976-11-27 1976-11-27 Grounding fault detector for dc circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14272176A JPS5366548A (en) 1976-11-27 1976-11-27 Grounding fault detector for dc circuit

Publications (1)

Publication Number Publication Date
JPS5366548A true JPS5366548A (en) 1978-06-14

Family

ID=15322022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14272176A Pending JPS5366548A (en) 1976-11-27 1976-11-27 Grounding fault detector for dc circuit

Country Status (1)

Country Link
JP (1) JPS5366548A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635627A (en) * 1979-08-24 1981-04-08 Mitsubishi Electric Corp Dc leakage breaker
JPS5635626A (en) * 1979-08-24 1981-04-08 Mitsubishi Electric Corp Dc leakage breaker
JPS5851730A (en) * 1981-09-22 1983-03-26 関西電力株式会社 Protecting device for dc transmission line
JPS58195425A (en) * 1982-05-07 1983-11-14 神鋼電機株式会社 Dc line defect detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970158A (en) * 1972-11-09 1974-07-06
JPS51116954A (en) * 1975-04-04 1976-10-14 Central Glass Co Ltd Detecting method of earth electric path

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970158A (en) * 1972-11-09 1974-07-06
JPS51116954A (en) * 1975-04-04 1976-10-14 Central Glass Co Ltd Detecting method of earth electric path

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635627A (en) * 1979-08-24 1981-04-08 Mitsubishi Electric Corp Dc leakage breaker
JPS5635626A (en) * 1979-08-24 1981-04-08 Mitsubishi Electric Corp Dc leakage breaker
JPS5851730A (en) * 1981-09-22 1983-03-26 関西電力株式会社 Protecting device for dc transmission line
JPS58195425A (en) * 1982-05-07 1983-11-14 神鋼電機株式会社 Dc line defect detector

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