JPH0727802Y2 - 比率差動継電器 - Google Patents

比率差動継電器

Info

Publication number
JPH0727802Y2
JPH0727802Y2 JP1987038240U JP3824087U JPH0727802Y2 JP H0727802 Y2 JPH0727802 Y2 JP H0727802Y2 JP 1987038240 U JP1987038240 U JP 1987038240U JP 3824087 U JP3824087 U JP 3824087U JP H0727802 Y2 JPH0727802 Y2 JP H0727802Y2
Authority
JP
Japan
Prior art keywords
phase
current
positive
transformer
negative
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.)
Expired - Lifetime
Application number
JP1987038240U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63176331U (en]
Inventor
隆之 松尾
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.)
Meidensha Corp
Original Assignee
Meidensha 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 Meidensha Corp filed Critical Meidensha Corp
Priority to JP1987038240U priority Critical patent/JPH0727802Y2/ja
Publication of JPS63176331U publication Critical patent/JPS63176331U/ja
Application granted granted Critical
Publication of JPH0727802Y2 publication Critical patent/JPH0727802Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Protection Of Transformers (AREA)
JP1987038240U 1987-03-16 1987-03-16 比率差動継電器 Expired - Lifetime JPH0727802Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987038240U JPH0727802Y2 (ja) 1987-03-16 1987-03-16 比率差動継電器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987038240U JPH0727802Y2 (ja) 1987-03-16 1987-03-16 比率差動継電器

Publications (2)

Publication Number Publication Date
JPS63176331U JPS63176331U (en]) 1988-11-15
JPH0727802Y2 true JPH0727802Y2 (ja) 1995-06-21

Family

ID=30850304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987038240U Expired - Lifetime JPH0727802Y2 (ja) 1987-03-16 1987-03-16 比率差動継電器

Country Status (1)

Country Link
JP (1) JPH0727802Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5534753B2 (ja) * 2009-09-11 2014-07-02 株式会社東芝 変圧器の保護方式とその装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622529A (en) * 1979-08-01 1981-03-03 Hitachi Ltd Transformer protector

Also Published As

Publication number Publication date
JPS63176331U (en]) 1988-11-15

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