JPS59106819A - 保護継電器の点検方式 - Google Patents

保護継電器の点検方式

Info

Publication number
JPS59106819A
JPS59106819A JP57215312A JP21531282A JPS59106819A JP S59106819 A JPS59106819 A JP S59106819A JP 57215312 A JP57215312 A JP 57215312A JP 21531282 A JP21531282 A JP 21531282A JP S59106819 A JPS59106819 A JP S59106819A
Authority
JP
Japan
Prior art keywords
inspection
input
voltage
transformer
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
JP57215312A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0130368B2 (enrdf_load_stackoverflow
Inventor
河井 和弥
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
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
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 Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP57215312A priority Critical patent/JPS59106819A/ja
Publication of JPS59106819A publication Critical patent/JPS59106819A/ja
Publication of JPH0130368B2 publication Critical patent/JPH0130368B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP57215312A 1982-12-08 1982-12-08 保護継電器の点検方式 Granted JPS59106819A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57215312A JPS59106819A (ja) 1982-12-08 1982-12-08 保護継電器の点検方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57215312A JPS59106819A (ja) 1982-12-08 1982-12-08 保護継電器の点検方式

Publications (2)

Publication Number Publication Date
JPS59106819A true JPS59106819A (ja) 1984-06-20
JPH0130368B2 JPH0130368B2 (enrdf_load_stackoverflow) 1989-06-19

Family

ID=16670229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57215312A Granted JPS59106819A (ja) 1982-12-08 1982-12-08 保護継電器の点検方式

Country Status (1)

Country Link
JP (1) JPS59106819A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0130368B2 (enrdf_load_stackoverflow) 1989-06-19

Similar Documents

Publication Publication Date Title
US6396279B1 (en) Method and device for testing differential protection relays or differential protection relay systems
JPS5889028A (ja) 3相電力系統の1線地絡事故検出方法および装置
Hopkinson Ferroresonant overvoltage control based on TNA tests on three-phase delta-wye transformer banks
JPS5893422A (ja) 高圧送電線路用保護装置
US4634981A (en) Method for testing a circuit breaker using a three terminal current transformer
US3949272A (en) Ground-fault protective scheme for multiple-source electric distribution system
JPH04212232A (ja) 回路遮断器
US5587864A (en) Short circuit and ground fault protection for an electrical system
JPH11304870A (ja) 計器用変流器の三次巻線極性確認方法およびそれを用いた地絡保護継電装置の試験方法
JP2531988B2 (ja) 変圧器保護リレ―装置の試験装置及び試験方法
JPS59106819A (ja) 保護継電器の点検方式
US2523778A (en) Grounding transformer and protective system therefor
JP2636417B2 (ja) 計器用変成器の絶縁破壊検出回路及び該検出回路を備えた計器用変成器
Megahed A model for simulating internal earth faults in transformers
Oliveira et al. Transformers on-load exciting current Park's Vector Approach as a tool for winding faults diagnostics
JP3123999B2 (ja) 短絡試験装置および方法
JPH0130369B2 (enrdf_load_stackoverflow)
JP2558167B2 (ja) 残留電流補償型elbチェッカー
JPH06284556A (ja) 三相4線式回路の地絡電流検出方式
Love Ground fault protection for electric utility generating station medium voltage auxiliary power systems
JP2705198B2 (ja) 地絡検出装置
JPH0626037Y2 (ja) 地絡保護装置
JPS6230442Y2 (enrdf_load_stackoverflow)
JP3136858B2 (ja) 断路器のループ電流開閉試験装置
Sutherland Current transformer application with digital ground differential protection relays