JPS56145727A - Ground-fault protection relay unit - Google Patents

Ground-fault protection relay unit

Info

Publication number
JPS56145727A
JPS56145727A JP4705480A JP4705480A JPS56145727A JP S56145727 A JPS56145727 A JP S56145727A JP 4705480 A JP4705480 A JP 4705480A JP 4705480 A JP4705480 A JP 4705480A JP S56145727 A JPS56145727 A JP S56145727A
Authority
JP
Japan
Prior art keywords
ground
relay unit
protection relay
fault protection
fault
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
JP4705480A
Other languages
Japanese (ja)
Inventor
Kanehisa Nakamura
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP4705480A priority Critical patent/JPS56145727A/en
Publication of JPS56145727A publication Critical patent/JPS56145727A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP4705480A 1980-04-10 1980-04-10 Ground-fault protection relay unit Pending JPS56145727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4705480A JPS56145727A (en) 1980-04-10 1980-04-10 Ground-fault protection relay unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4705480A JPS56145727A (en) 1980-04-10 1980-04-10 Ground-fault protection relay unit

Publications (1)

Publication Number Publication Date
JPS56145727A true JPS56145727A (en) 1981-11-12

Family

ID=12764440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4705480A Pending JPS56145727A (en) 1980-04-10 1980-04-10 Ground-fault protection relay unit

Country Status (1)

Country Link
JP (1) JPS56145727A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58207820A (en) * 1982-05-28 1983-12-03 三菱油化株式会社 Early ground-fault detecting system for electric line
JPS6477420A (en) * 1987-09-17 1989-03-23 Fuji Electric Co Ltd Protector-controller with disconnection detecting function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58207820A (en) * 1982-05-28 1983-12-03 三菱油化株式会社 Early ground-fault detecting system for electric line
JPS6477420A (en) * 1987-09-17 1989-03-23 Fuji Electric Co Ltd Protector-controller with disconnection detecting function
JPH0636645B2 (en) * 1987-09-17 1994-05-11 富士電機株式会社 Protection / control device with disconnection detection function

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