JPS6229962B2 - - Google Patents

Info

Publication number
JPS6229962B2
JPS6229962B2 JP53071287A JP7128778A JPS6229962B2 JP S6229962 B2 JPS6229962 B2 JP S6229962B2 JP 53071287 A JP53071287 A JP 53071287A JP 7128778 A JP7128778 A JP 7128778A JP S6229962 B2 JPS6229962 B2 JP S6229962B2
Authority
JP
Japan
Prior art keywords
comparator
power
power supply
circuit
detection
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
JP53071287A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54162150A (en
Inventor
Kenji Honjo
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
Original Assignee
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7128778A priority Critical patent/JPS54162150A/ja
Publication of JPS54162150A publication Critical patent/JPS54162150A/ja
Publication of JPS6229962B2 publication Critical patent/JPS6229962B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP7128778A 1978-06-12 1978-06-12 Power supply observer Granted JPS54162150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7128778A JPS54162150A (en) 1978-06-12 1978-06-12 Power supply observer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7128778A JPS54162150A (en) 1978-06-12 1978-06-12 Power supply observer

Publications (2)

Publication Number Publication Date
JPS54162150A JPS54162150A (en) 1979-12-22
JPS6229962B2 true JPS6229962B2 (ro) 1987-06-30

Family

ID=13456324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7128778A Granted JPS54162150A (en) 1978-06-12 1978-06-12 Power supply observer

Country Status (1)

Country Link
JP (1) JPS54162150A (ro)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56151363A (en) * 1980-04-25 1981-11-24 Nippon Atom Ind Group Co Ltd Monitoring device for power source voltage
JP4665563B2 (ja) * 2005-03-09 2011-04-06 オムロン株式会社 電圧不足警報方法、電圧不足警報回路ならびにスイッチング電源
JP7257255B2 (ja) * 2019-05-29 2023-04-13 株式会社ジェイテクト 補助電源装置

Also Published As

Publication number Publication date
JPS54162150A (en) 1979-12-22

Similar Documents

Publication Publication Date Title
US20060186892A1 (en) Open-phase detecting method and apparatus
WO2013153596A1 (ja) 地絡検出回路およびそれを用いた電力変換装置
US9692314B2 (en) Detection circuit and three-phase AC-to-AC power converting apparatus incorporating the same
US5163172A (en) Procedure and apparatus for the measurement of the currents in a frequency converter
US4589050A (en) Method and apparatus for the protection of a thyristor power conversion system
US5126678A (en) A.C. Generator fault detector
US5548207A (en) Missing phase detector
US3745375A (en) Phase unbalance or open-phase detecting apparatus
GB2029138A (en) Apparatus for detecting diode failures in multiple diode rectifier bridges
JPS6229962B2 (ro)
JP3448325B2 (ja) 分散電源設備の単独運転検出方法
JP3287121B2 (ja) 電圧低下検出回路
JPS61139220A (ja) 三相交流の欠相検出回路
JP2001309669A (ja) 電圧形インバータ装置の欠相検出方法とその回路
JPH11174105A (ja) 交流フィルタ回路の異常検出装置
JPS589528A (ja) 交流モ−タ保護装置
KR102551607B1 (ko) 누전 차단기
JPH071978B2 (ja) インバ−タの欠相検出回路
JP2723286B2 (ja) 地絡検出装置
JP3273814B2 (ja) 欠相検出回路
JPH1042488A (ja) 電源装置
JPS6334427Y2 (ro)
JPS5850112B2 (ja) 静止形インバ−タ装置
JPH04140013A (ja) 三相入力欠相検出方法および三相入力欠相検出装置
JPH0622441A (ja) 三相不平衡検出装置