JPH0113295B2 - - Google Patents

Info

Publication number
JPH0113295B2
JPH0113295B2 JP3921882A JP3921882A JPH0113295B2 JP H0113295 B2 JPH0113295 B2 JP H0113295B2 JP 3921882 A JP3921882 A JP 3921882A JP 3921882 A JP3921882 A JP 3921882A JP H0113295 B2 JPH0113295 B2 JP H0113295B2
Authority
JP
Japan
Prior art keywords
circuit
output
phase
change
sequence 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
Application number
JP3921882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58157326A (ja
Inventor
Seiichi Sakai
Toshihiko Gange
Masaaki Nitsuta
Tokuo Emura
Hiroyuki Myake
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.)
Shikoku Research Institute Inc
Nissin Electric Co Ltd
Original Assignee
Shikoku Research Institute Inc
Nissin Electric Co 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 Shikoku Research Institute Inc, Nissin Electric Co Ltd filed Critical Shikoku Research Institute Inc
Priority to JP3921882A priority Critical patent/JPS58157326A/ja
Publication of JPS58157326A publication Critical patent/JPS58157326A/ja
Publication of JPH0113295B2 publication Critical patent/JPH0113295B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP3921882A 1982-03-11 1982-03-11 三相回路用一線断線検出装置 Granted JPS58157326A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3921882A JPS58157326A (ja) 1982-03-11 1982-03-11 三相回路用一線断線検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3921882A JPS58157326A (ja) 1982-03-11 1982-03-11 三相回路用一線断線検出装置

Publications (2)

Publication Number Publication Date
JPS58157326A JPS58157326A (ja) 1983-09-19
JPH0113295B2 true JPH0113295B2 (cs) 1989-03-06

Family

ID=12546993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3921882A Granted JPS58157326A (ja) 1982-03-11 1982-03-11 三相回路用一線断線検出装置

Country Status (1)

Country Link
JP (1) JPS58157326A (cs)

Also Published As

Publication number Publication date
JPS58157326A (ja) 1983-09-19

Similar Documents

Publication Publication Date Title
US6341055B1 (en) Restraint-type differential relay
US5883578A (en) Loss of potential determination for use in protective relays for electric power systems
US6998848B2 (en) Method for producing a fault signal which indicates a short to ground
JP2957187B2 (ja) 計器用変圧器の２次回路断線検出装置
JPH0113295B2 (cs)
JPH0113296B2 (cs)
JPH04236123A (ja) インバータ装置
JPS6355297B2 (cs)
JP3784961B2 (ja) 母線保護継電装置
JP3746493B2 (ja) 比率差動継電装置
JPH10304554A (ja) 交直変換器の異常検出装置および保護装置
JPH07322489A (ja) 直流送電線の保護継電装置および直流変圧器の不良検出回路
JPH07107653A (ja) 一相断線常時監視方式
JPS6310650B2 (cs)
JP3210810B2 (ja) 保護継電装置及びそのアナログ部故障判定方法
CN120334801A (zh) 变压器电流互感器二次断线判别方法及装置
JP2005051860A (ja) 保護継電装置
JP2533186B2 (ja) 励磁突入電流判定方式
JP2002058155A (ja) 交直変換器の保護継電装置
JPS63114525A (ja) 電流差動継電装置
JPH0132735B2 (cs)
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
JPH0140590B2 (cs)
JPH08308084A (ja) 過電流継電装置
JPH08275386A (ja) 直流送電系統における中性線の故障検出保護装置