JPS5313148A - Protective relay - Google Patents

Protective relay

Info

Publication number
JPS5313148A
JPS5313148A JP8658976A JP8658976A JPS5313148A JP S5313148 A JPS5313148 A JP S5313148A JP 8658976 A JP8658976 A JP 8658976A JP 8658976 A JP8658976 A JP 8658976A JP S5313148 A JPS5313148 A JP S5313148A
Authority
JP
Japan
Prior art keywords
protective relay
failure
intermittent
grounding
relay
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
JP8658976A
Other languages
Japanese (ja)
Inventor
Yoshitaka Moriyama
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 JP8658976A priority Critical patent/JPS5313148A/en
Publication of JPS5313148A publication Critical patent/JPS5313148A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To obtain grounding relay which functions for intermittent failure with random pause even when failure duration is short thus to detect intermittent grounding failure reliably.
COPYRIGHT: (C)1978,JPO&Japio
JP8658976A 1976-07-22 1976-07-22 Protective relay Pending JPS5313148A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8658976A JPS5313148A (en) 1976-07-22 1976-07-22 Protective relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8658976A JPS5313148A (en) 1976-07-22 1976-07-22 Protective relay

Publications (1)

Publication Number Publication Date
JPS5313148A true JPS5313148A (en) 1978-02-06

Family

ID=13891185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8658976A Pending JPS5313148A (en) 1976-07-22 1976-07-22 Protective relay

Country Status (1)

Country Link
JP (1) JPS5313148A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55157747U (en) * 1979-04-28 1980-11-13
JPH0919045A (en) * 1995-06-30 1997-01-17 Naigai Denki Kk Degradation prediction method of cable and cable initial ground relay

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033440A (en) * 1973-08-03 1975-03-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033440A (en) * 1973-08-03 1975-03-31

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55157747U (en) * 1979-04-28 1980-11-13
JPH0210435Y2 (en) * 1979-04-28 1990-03-15
JPH0919045A (en) * 1995-06-30 1997-01-17 Naigai Denki Kk Degradation prediction method of cable and cable initial ground relay

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