JPS55129766A - Test unit for circuit breaker - Google Patents

Test unit for circuit breaker

Info

Publication number
JPS55129766A
JPS55129766A JP3688079A JP3688079A JPS55129766A JP S55129766 A JPS55129766 A JP S55129766A JP 3688079 A JP3688079 A JP 3688079A JP 3688079 A JP3688079 A JP 3688079A JP S55129766 A JPS55129766 A JP S55129766A
Authority
JP
Japan
Prior art keywords
circuit
triggered
current
thyristor
voltage
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
JP3688079A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0157310B2 (enrdf_load_stackoverflow
Inventor
Tatsuo Fujiwara
Koichi Horisaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3688079A priority Critical patent/JPS55129766A/ja
Publication of JPS55129766A publication Critical patent/JPS55129766A/ja
Publication of JPH0157310B2 publication Critical patent/JPH0157310B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP3688079A 1979-03-30 1979-03-30 Test unit for circuit breaker Granted JPS55129766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3688079A JPS55129766A (en) 1979-03-30 1979-03-30 Test unit for circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3688079A JPS55129766A (en) 1979-03-30 1979-03-30 Test unit for circuit breaker

Publications (2)

Publication Number Publication Date
JPS55129766A true JPS55129766A (en) 1980-10-07
JPH0157310B2 JPH0157310B2 (enrdf_load_stackoverflow) 1989-12-05

Family

ID=12482084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3688079A Granted JPS55129766A (en) 1979-03-30 1979-03-30 Test unit for circuit breaker

Country Status (1)

Country Link
JP (1) JPS55129766A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103698696A (zh) * 2013-12-18 2014-04-02 国家电网公司 欠费跳闸开关检测装置
CN109188171A (zh) * 2018-09-12 2019-01-11 苏州东安岩芯能源科技股份有限公司 继电器线圈开路故障检测电路
JP2020101496A (ja) * 2018-12-25 2020-07-02 東京電力ホールディングス株式会社 検査方法および試験装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103698696A (zh) * 2013-12-18 2014-04-02 国家电网公司 欠费跳闸开关检测装置
CN109188171A (zh) * 2018-09-12 2019-01-11 苏州东安岩芯能源科技股份有限公司 继电器线圈开路故障检测电路
JP2020101496A (ja) * 2018-12-25 2020-07-02 東京電力ホールディングス株式会社 検査方法および試験装置

Also Published As

Publication number Publication date
JPH0157310B2 (enrdf_load_stackoverflow) 1989-12-05

Similar Documents

Publication Publication Date Title
JPS5743135A (en) High frequency heating device
JPS55129766A (en) Test unit for circuit breaker
JPS57168772A (en) Short circuit transfer arc welding machine
JPS54140112A (en) Voltage control device of generator for automobile
JPS6449417A (en) Disconnector
JPS5250706A (en) Apparatus for detecting music interval of tape recorders
JPS5576578A (en) Overdischarge-preventing circuit for battery
JPS5467655A (en) Distribution line shortage protector
JPS5513558A (en) Power source unit
JPS5582083A (en) Electronic clock unit
JPS55148969A (en) Circuit for stopping engine
GB665103A (en) Improvements in and relating to electrical circuits for use with discharge devices
JPS5496736A (en) Transistor chopper device
JPS5563927A (en) Wire breaking detector for lamp
JPS5459533A (en) Preheat time controller for glow plug
JPS57100520A (en) Memory power supply circuit
JPS56101203A (en) Control device
JPS5478450A (en) Operating circuit for circuit breaker
JPS5317923A (en) Electric current source opening device of direct current chopper
JPS5476770A (en) Power source device for electromagnetic brake
JPS5666378A (en) Device of controlling engine by welding rod alone
GB634291A (en) Improvements in and relating to apparatus for making electric discharge devices
JPS5716726A (en) Combustion control circuit
JPS56162236A (en) Protection of actuator
JPS54132450A (en) Feed controller for welding electrode