JPS5253244A - Inspection device protective relay - Google Patents

Inspection device protective relay

Info

Publication number
JPS5253244A
JPS5253244A JP50118645A JP11864575A JPS5253244A JP S5253244 A JPS5253244 A JP S5253244A JP 50118645 A JP50118645 A JP 50118645A JP 11864575 A JP11864575 A JP 11864575A JP S5253244 A JPS5253244 A JP S5253244A
Authority
JP
Japan
Prior art keywords
inspection device
protective relay
device protective
summerize
currenting
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.)
Granted
Application number
JP50118645A
Other languages
Japanese (ja)
Other versions
JPS5953510B2 (en
Inventor
Hiromi Ogawa
Naoki Hashimoto
Minoru Hatada
Yasuaki Miyake
Akira Yamashita
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.)
Chubu Electric Power Co Inc
Mitsubishi Electric Corp
Original Assignee
Chubu Electric Power Co Inc
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 Chubu Electric Power Co Inc, Mitsubishi Electric Corp filed Critical Chubu Electric Power Co Inc
Priority to JP50118645A priority Critical patent/JPS5953510B2/en
Publication of JPS5253244A publication Critical patent/JPS5253244A/en
Publication of JPS5953510B2 publication Critical patent/JPS5953510B2/en
Expired legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: By currenting trouble current of mother wire in distribution system to zero phase current transformer of each feeder in series, inspection operation can be simplified to summerize and inspect the operations of each directional relay earthed.
COPYRIGHT: (C)1977,JPO&Japio
JP50118645A 1975-10-01 1975-10-01 Protection relay flashing device Expired JPS5953510B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118645A JPS5953510B2 (en) 1975-10-01 1975-10-01 Protection relay flashing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118645A JPS5953510B2 (en) 1975-10-01 1975-10-01 Protection relay flashing device

Publications (2)

Publication Number Publication Date
JPS5253244A true JPS5253244A (en) 1977-04-28
JPS5953510B2 JPS5953510B2 (en) 1984-12-25

Family

ID=14741671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118645A Expired JPS5953510B2 (en) 1975-10-01 1975-10-01 Protection relay flashing device

Country Status (1)

Country Link
JP (1) JPS5953510B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02183403A (en) * 1989-01-10 1990-07-18 Matsushita Electric Ind Co Ltd Recording/reproducing amplification device
JPH02189702A (en) * 1989-01-18 1990-07-25 Matsushita Electric Ind Co Ltd Recording and reproducing amplifier device

Also Published As

Publication number Publication date
JPS5953510B2 (en) 1984-12-25

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