JPS549753A - Transformer protective relay system - Google Patents

Transformer protective relay system

Info

Publication number
JPS549753A
JPS549753A JP7517177A JP7517177A JPS549753A JP S549753 A JPS549753 A JP S549753A JP 7517177 A JP7517177 A JP 7517177A JP 7517177 A JP7517177 A JP 7517177A JP S549753 A JPS549753 A JP S549753A
Authority
JP
Japan
Prior art keywords
relay system
protective relay
transformer protective
transformer
provision
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
JP7517177A
Other languages
Japanese (ja)
Inventor
Masayoshi Hirai
Eiichi Tamaoki
Toyoichi Koan
Minoru Hatada
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.)
Mitsubishi Electric Corp
Original Assignee
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7517177A priority Critical patent/JPS549753A/en
Publication of JPS549753A publication Critical patent/JPS549753A/en
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Transformers (AREA)

Abstract

PURPOSE: To secure both high sensitivity and high speed with provision of auxiliary winding which maintains mutual electromagnetic coupling to the main winding, but does not accept current load.
COPYRIGHT: (C)1979,JPO&Japio
JP7517177A 1977-06-23 1977-06-23 Transformer protective relay system Pending JPS549753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7517177A JPS549753A (en) 1977-06-23 1977-06-23 Transformer protective relay system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7517177A JPS549753A (en) 1977-06-23 1977-06-23 Transformer protective relay system

Publications (1)

Publication Number Publication Date
JPS549753A true JPS549753A (en) 1979-01-24

Family

ID=13568478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7517177A Pending JPS549753A (en) 1977-06-23 1977-06-23 Transformer protective relay system

Country Status (1)

Country Link
JP (1) JPS549753A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136229A (en) * 1982-02-04 1983-08-13 日新電機株式会社 Transformer for instrument with relay error operation preventing unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5373339A (en) * 1976-12-13 1978-06-29 Takaoka Electric Mfg Co Ltd Method of and device for detecting internal fault of threeephase transformer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5373339A (en) * 1976-12-13 1978-06-29 Takaoka Electric Mfg Co Ltd Method of and device for detecting internal fault of threeephase transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58136229A (en) * 1982-02-04 1983-08-13 日新電機株式会社 Transformer for instrument with relay error operation preventing unit

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