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JPS5246459A - Protecting device of neutral conductor grounding detection - Google Patents

Protecting device of neutral conductor grounding detection

Info

Publication number
JPS5246459A
JPS5246459A JP12170175A JP12170175A JPS5246459A JP S5246459 A JPS5246459 A JP S5246459A JP 12170175 A JP12170175 A JP 12170175A JP 12170175 A JP12170175 A JP 12170175A JP S5246459 A JPS5246459 A JP S5246459A
Authority
JP
Japan
Prior art keywords
neutral conductor
protecting device
grounding detection
grounding
conductor grounding
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
JP12170175A
Other languages
Japanese (ja)
Inventor
Keisuke Sekiya
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
Toshiba Corp
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12170175A priority Critical patent/JPS5246459A/en
Publication of JPS5246459A publication Critical patent/JPS5246459A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: When a neutral conductor metallic return system direct current transmission line is operated by one end grounding and ground end non-grounding, by adding a separate relay detecting the increase of the neutral conductor current, grounding of the neutral conductor is detected.
COPYRIGHT: (C)1977,JPO&Japio
JP12170175A 1975-10-08 1975-10-08 Protecting device of neutral conductor grounding detection Pending JPS5246459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12170175A JPS5246459A (en) 1975-10-08 1975-10-08 Protecting device of neutral conductor grounding detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12170175A JPS5246459A (en) 1975-10-08 1975-10-08 Protecting device of neutral conductor grounding detection

Publications (1)

Publication Number Publication Date
JPS5246459A true JPS5246459A (en) 1977-04-13

Family

ID=14817729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12170175A Pending JPS5246459A (en) 1975-10-08 1975-10-08 Protecting device of neutral conductor grounding detection

Country Status (1)

Country Link
JP (1) JPS5246459A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059416B1 (en) * 1981-02-27 1985-11-21 Hitachi, Ltd. Ground fault detecting device for use with a dc circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059416B1 (en) * 1981-02-27 1985-11-21 Hitachi, Ltd. Ground fault detecting device for use with a dc circuit

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