JPS6350932B2 - - Google Patents

Info

Publication number
JPS6350932B2
JPS6350932B2 JP3331281A JP3331281A JPS6350932B2 JP S6350932 B2 JPS6350932 B2 JP S6350932B2 JP 3331281 A JP3331281 A JP 3331281A JP 3331281 A JP3331281 A JP 3331281A JP S6350932 B2 JPS6350932 B2 JP S6350932B2
Authority
JP
Japan
Prior art keywords
phase
voltage
zero
ground fault
ground
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
JP3331281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57148529A (en
Inventor
Kazuo Inoe
Koichi Endo
Giichi Shibuya
Hiroaki Kato
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.)
Mitsubishi Electric Corp
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Mitsubishi Electric Corp
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, Mitsubishi Electric Corp filed Critical Tokyo Electric Power Co Inc
Priority to JP3331281A priority Critical patent/JPS57148529A/ja
Publication of JPS57148529A publication Critical patent/JPS57148529A/ja
Publication of JPS6350932B2 publication Critical patent/JPS6350932B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP3331281A 1981-03-09 1981-03-09 Ground-fault phase detector Granted JPS57148529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3331281A JPS57148529A (en) 1981-03-09 1981-03-09 Ground-fault phase detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3331281A JPS57148529A (en) 1981-03-09 1981-03-09 Ground-fault phase detector

Publications (2)

Publication Number Publication Date
JPS57148529A JPS57148529A (en) 1982-09-13
JPS6350932B2 true JPS6350932B2 (cs) 1988-10-12

Family

ID=12383035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3331281A Granted JPS57148529A (en) 1981-03-09 1981-03-09 Ground-fault phase detector

Country Status (1)

Country Link
JP (1) JPS57148529A (cs)

Also Published As

Publication number Publication date
JPS57148529A (en) 1982-09-13

Similar Documents

Publication Publication Date Title
JP3338159B2 (ja) 振幅・位相検出装置
US4472676A (en) Leakage impedance measuring system including a superimposed measuring voltage having a frequency differing slightly from system frequency
WO2008055499A2 (en) Advanced real-time grid monitoring system and method
JP6324629B2 (ja) 漏洩電流検出装置
JPS6350932B2 (cs)
JP6425298B1 (ja) 位相分析回路
JP3835874B2 (ja) 漏電検出器
JP3287121B2 (ja) 電圧低下検出回路
JPH0136330B2 (cs)
JPS6350930B2 (cs)
JPH0113298B2 (cs)
JPS6350931B2 (cs)
JPS6350929B2 (cs)
Kezunovic et al. Modeling of digital relay and power system signals
JP2633637B2 (ja) 対称分保護リレー
JPH039267A (ja) 直流電流測定方法
JPH0139301B2 (cs)
JPH0619407B2 (ja) 地絡相検出装置
JPH026290B2 (cs)
JPH01301183A (ja) 単相交流信号検出装置
JPS61147728A (ja) 地絡相検出装置
JPS61147731A (ja) 地絡相検出装置
JP2017021055A (ja) 不平衡率検出装置、および不平衡率検出方法
JPS61147730A (ja) 地絡相検出装置
JPH026289B2 (cs)