JPH0550207B2 - - Google Patents

Info

Publication number
JPH0550207B2
JPH0550207B2 JP61198887A JP19888786A JPH0550207B2 JP H0550207 B2 JPH0550207 B2 JP H0550207B2 JP 61198887 A JP61198887 A JP 61198887A JP 19888786 A JP19888786 A JP 19888786A JP H0550207 B2 JPH0550207 B2 JP H0550207B2
Authority
JP
Japan
Prior art keywords
output
ratio
ratio differential
amount
current
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
JP61198887A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6356121A (ja
Inventor
Hiroshi Sasaki
Hiroyuki Kudo
Kazuyoshi Yoshida
Kunio Matsuzawa
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
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
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 Tokyo Electric Power Co Inc, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP61198887A priority Critical patent/JPS6356121A/ja
Publication of JPS6356121A publication Critical patent/JPS6356121A/ja
Publication of JPH0550207B2 publication Critical patent/JPH0550207B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP61198887A 1986-08-27 1986-08-27 比率差動リレ−装置 Granted JPS6356121A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61198887A JPS6356121A (ja) 1986-08-27 1986-08-27 比率差動リレ−装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61198887A JPS6356121A (ja) 1986-08-27 1986-08-27 比率差動リレ−装置

Publications (2)

Publication Number Publication Date
JPS6356121A JPS6356121A (ja) 1988-03-10
JPH0550207B2 true JPH0550207B2 (cs) 1993-07-28

Family

ID=16398583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61198887A Granted JPS6356121A (ja) 1986-08-27 1986-08-27 比率差動リレ−装置

Country Status (1)

Country Link
JP (1) JPS6356121A (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2635175B2 (ja) * 1989-07-28 1997-07-30 三菱電機株式会社 半導体フレーム搬送装置及び搬送方法
JP2675694B2 (ja) * 1991-07-16 1997-11-12 三菱電機株式会社 比率差動継電装置
JP3377725B2 (ja) * 1997-07-17 2003-02-17 株式会社新川 基板移送装置
JP3572192B2 (ja) * 1998-03-31 2004-09-29 株式会社新川 ボンディング装置用ガイドレール機構
JP3400345B2 (ja) * 1998-03-31 2003-04-28 株式会社新川 ボンディング装置用ガイドレール機構
JP5361455B2 (ja) * 2009-03-05 2013-12-04 株式会社東芝 母線保護継電装置
JP5377178B2 (ja) * 2009-09-08 2013-12-25 株式会社東芝 電流差動保護継電装置
JP2011193609A (ja) * 2010-03-12 2011-09-29 Toshiba Corp 電流差動継電装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242460A (en) * 1975-10-01 1977-04-02 Shiyuukichi Inatome Method of making stainless steel melting vessel by deep drawing
JPS5814626A (ja) * 1981-07-20 1983-01-27 Hitachi Ltd マイクロプロセッサ
JPS58139628A (ja) * 1982-02-09 1983-08-19 株式会社東芝 送電線保護装置
JPS6016121A (ja) * 1983-07-07 1985-01-26 株式会社東芝 比率差動継電器

Also Published As

Publication number Publication date
JPS6356121A (ja) 1988-03-10

Similar Documents

Publication Publication Date Title
US4704653A (en) Transformer differential relay with speed-up apparatus
JPH0550207B2 (cs)
JPS5996821A (ja) 保護継電器
EP0169313B1 (en) Transformer protective relay
JP2004088919A (ja) 電流差動保護継電装置
JP3305084B2 (ja) 比率作動保護継電装置
JP3199940B2 (ja) 変圧器保護リレー装置
JP3094558B2 (ja) ネットワーク継電装置
KR100460310B1 (ko) 변압기 보호 계전 방법
US2246816A (en) Current responsive protective relay system
JP2533186B2 (ja) 励磁突入電流判定方式
JP2637159B2 (ja) 電流差動リレー装置
JP2703354B2 (ja) ディジタル形短絡距離継電装置
SU955329A1 (ru) Устройство дл вы влени режима насыщени трансформатора
JP3257143B2 (ja) 保護リレーのダイナミックレンジ拡大方法
JP2642349B2 (ja) 送電線保護継電装置
JPH0438118A (ja) 変化幅検出装置
JP2002101549A (ja) 地絡方向継電装置
JPH0510516Y2 (cs)
JPH09247845A (ja) 比率差動継電器
JPH07177657A (ja) 充電電流補償付き保護継電装置及び変圧器不良検出回路
JPS6359720A (ja) デイジタル形電流差動リレ−
JPH11341680A (ja) 比率差動継電装置
JPS6238928B2 (cs)
JPH0471322A (ja) 距離継電器

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term