JPS5950714A - 三相回路用一線断線検出装置 - Google Patents

三相回路用一線断線検出装置

Info

Publication number
JPS5950714A
JPS5950714A JP16062482A JP16062482A JPS5950714A JP S5950714 A JPS5950714 A JP S5950714A JP 16062482 A JP16062482 A JP 16062482A JP 16062482 A JP16062482 A JP 16062482A JP S5950714 A JPS5950714 A JP S5950714A
Authority
JP
Japan
Prior art keywords
phase
phase current
absolute value
change
output
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.)
Granted
Application number
JP16062482A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140590B2 (enrdf_load_stackoverflow
Inventor
坂井　誠一
願化　敏彦
新田　正明
徳男 江村
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 Electric Power Co Inc
Nissin Electric Co Ltd
Original Assignee
Shikoku Electric Power Co 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 Electric Power Co Inc, Nissin Electric Co Ltd filed Critical Shikoku Electric Power Co Inc
Priority to JP16062482A priority Critical patent/JPS5950714A/ja
Publication of JPS5950714A publication Critical patent/JPS5950714A/ja
Publication of JPH0140590B2 publication Critical patent/JPH0140590B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP16062482A 1982-09-14 1982-09-14 三相回路用一線断線検出装置 Granted JPS5950714A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16062482A JPS5950714A (ja) 1982-09-14 1982-09-14 三相回路用一線断線検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16062482A JPS5950714A (ja) 1982-09-14 1982-09-14 三相回路用一線断線検出装置

Publications (2)

Publication Number Publication Date
JPS5950714A true JPS5950714A (ja) 1984-03-23
JPH0140590B2 JPH0140590B2 (enrdf_load_stackoverflow) 1989-08-30

Family

ID=15718953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16062482A Granted JPS5950714A (ja) 1982-09-14 1982-09-14 三相回路用一線断線検出装置

Country Status (1)

Country Link
JP (1) JPS5950714A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0140590B2 (enrdf_load_stackoverflow) 1989-08-30

Similar Documents

Publication Publication Date Title
CN102985836B (zh) 用于供电网的快速距离保护的方法和设备
EP1446675B1 (en) Determining electrical faults on undergrounded power systems using directional element
US6341055B1 (en) Restraint-type differential relay
US7196884B2 (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
US6525543B1 (en) Fault type selection system for identifying faults in an electric power system
CN1331290C (zh) 用于保护继电器的零序电压极化方向元件
CN103261900B (zh) 对三相供电网的单侧供电的供电线的接地短路进行监视的方法和电力保护设备
JPS5950714A (ja) 三相回路用一線断線検出装置
JPH10313531A (ja) 比率差動継電器
JP2957187B2 (ja) 計器用変圧器の２次回路断線検出装置
RU2811565C1 (ru) Способ цифровой дистанционной защиты линии электропередачи
JPH07322476A (ja) 多重故障検出方法および故障相判別方法
JP2577364B2 (ja) １線地絡事故検出リレ−方式
JPH0132735B2 (enrdf_load_stackoverflow)
JPS6173516A (ja) 断線検出装置
JPS5970136A (ja) 保護継電装置
JPH03107776A (ja) 故障点標定方法および装置
JPH0113295B2 (enrdf_load_stackoverflow)
JPS6173517A (ja) 断線検出装置
JPH0113296B2 (enrdf_load_stackoverflow)
JPH02106126A (ja) 送電線の事故の種類の判別方法及び装置
CN118746775A (zh) 一种电流互感器中性线异常故障诊断方法和系统
JPH0993787A (ja) 保護リレー装置
JPH08275386A (ja) 直流送電系統における中性線の故障検出保護装置
JPH04190626A (ja) ディジタル形母線保護装置