JPH0135576B2 - - Google Patents

Info

Publication number
JPH0135576B2
JPH0135576B2 JP54134640A JP13464079A JPH0135576B2 JP H0135576 B2 JPH0135576 B2 JP H0135576B2 JP 54134640 A JP54134640 A JP 54134640A JP 13464079 A JP13464079 A JP 13464079A JP H0135576 B2 JPH0135576 B2 JP H0135576B2
Authority
JP
Japan
Prior art keywords
relay
reactance
calculation
value
ohmic
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
JP54134640A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5658719A (en
Inventor
Mitsuyasu Furuse
Juji Suzuki
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 Electric Manufacturing Co Ltd
Original Assignee
Meidensha Electric Manufacturing 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 Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Priority to JP13464079A priority Critical patent/JPS5658719A/ja
Publication of JPS5658719A publication Critical patent/JPS5658719A/ja
Publication of JPH0135576B2 publication Critical patent/JPH0135576B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP13464079A 1979-10-18 1979-10-18 Protection processing system Granted JPS5658719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13464079A JPS5658719A (en) 1979-10-18 1979-10-18 Protection processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13464079A JPS5658719A (en) 1979-10-18 1979-10-18 Protection processing system

Publications (2)

Publication Number Publication Date
JPS5658719A JPS5658719A (en) 1981-05-21
JPH0135576B2 true JPH0135576B2 (enrdf_load_stackoverflow) 1989-07-26

Family

ID=15133082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13464079A Granted JPS5658719A (en) 1979-10-18 1979-10-18 Protection processing system

Country Status (1)

Country Link
JP (1) JPS5658719A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58141620A (ja) * 1982-02-15 1983-08-23 株式会社明電舎 デイジタル保護継電装置
JPH02131316A (ja) * 1988-11-05 1990-05-21 Mitsubishi Electric Corp デジタル保護継電器

Also Published As

Publication number Publication date
JPS5658719A (en) 1981-05-21

Similar Documents

Publication Publication Date Title
US4731689A (en) Directional detection in connection with faults in a power supply network
US5140492A (en) Distance relay using a polarizing voltage
US3984737A (en) Protective relaying system
US4731688A (en) Range limitation for a protection device in a power supply network
Apostolov et al. Superimposed components based sub-cycle protection of transmission lines
Eissa et al. A novel digital distance relaying technique for transmission line protection
US20060198065A1 (en) Apparatus and method for detecting the loss of a current transformer connection coupling a current differential relay to an element of a power system
EP0316204B1 (en) Protective relay
JP3808624B2 (ja) 系統保護継電装置
KR20040014364A (ko) 지락 방향 계전 장치
KR100542448B1 (ko) 거리 계전 장치
CA2737689C (en) Reclosing system for power transmission line
EP2122795A1 (en) Device and method for detecting faulted phases in a multi-phase electrical network
JPH0135576B2 (enrdf_load_stackoverflow)
KR20190110411A (ko) 고장 판정 장치, 및 보호 계전 장치
JP2957187B2 (ja) 計器用変圧器の2次回路断線検出装置
JP3575814B2 (ja) 電力系統の故障点標定装置
JP6362569B2 (ja) 距離継電装置および送電線保護方法
CA1232013A (en) Generator protecting relay
US6154687A (en) Modified cosine filters
JP2581061B2 (ja) 電力系統の保護装置
JP3436775B2 (ja) 断路器の電極消耗率計測装置
JPH01264530A (ja) 地絡回線選択装置
JP2979813B2 (ja) 距離継電器
Chan et al. Power-system digital back-up protection