JPS543246A - Relay inspection - Google Patents

Relay inspection

Info

Publication number
JPS543246A
JPS543246A JP6794677A JP6794677A JPS543246A JP S543246 A JPS543246 A JP S543246A JP 6794677 A JP6794677 A JP 6794677A JP 6794677 A JP6794677 A JP 6794677A JP S543246 A JPS543246 A JP S543246A
Authority
JP
Japan
Prior art keywords
relay inspection
inspection
transformers
relay
siganals
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
JP6794677A
Other languages
Japanese (ja)
Inventor
Toshio Ono
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6794677A priority Critical patent/JPS543246A/en
Publication of JPS543246A publication Critical patent/JPS543246A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

PURPOSE: To detect abnormalities such as disconnection, shortcircuit in auxiliary transformers, current transformers, etc. by applying inspection siganals at normal state and inspecting internal circuits in a transmission line protective relay.
COPYRIGHT: (C)1979,JPO&Japio
JP6794677A 1977-06-10 1977-06-10 Relay inspection Pending JPS543246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6794677A JPS543246A (en) 1977-06-10 1977-06-10 Relay inspection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6794677A JPS543246A (en) 1977-06-10 1977-06-10 Relay inspection

Publications (1)

Publication Number Publication Date
JPS543246A true JPS543246A (en) 1979-01-11

Family

ID=13359607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6794677A Pending JPS543246A (en) 1977-06-10 1977-06-10 Relay inspection

Country Status (1)

Country Link
JP (1) JPS543246A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110437A (en) * 1980-12-29 1982-07-09 Nippon Oxygen Co Ltd Vacuum heat insulating structure
JPS5937395A (en) * 1982-05-20 1984-02-29 エツセ・ア・エ・エツセ・ゲテルス・エツセ・ピ・ア Vacuum heat-insulating type fluid transport pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110437A (en) * 1980-12-29 1982-07-09 Nippon Oxygen Co Ltd Vacuum heat insulating structure
JPS5937395A (en) * 1982-05-20 1984-02-29 エツセ・ア・エ・エツセ・ゲテルス・エツセ・ピ・ア Vacuum heat-insulating type fluid transport pipe

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