JPS5539148A - Switching device contact wear detector - Google Patents

Switching device contact wear detector

Info

Publication number
JPS5539148A
JPS5539148A JP11230978A JP11230978A JPS5539148A JP S5539148 A JPS5539148 A JP S5539148A JP 11230978 A JP11230978 A JP 11230978A JP 11230978 A JP11230978 A JP 11230978A JP S5539148 A JPS5539148 A JP S5539148A
Authority
JP
Japan
Prior art keywords
switching device
device contact
contact wear
wear detector
detector
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.)
Pending
Application number
JP11230978A
Other languages
Japanese (ja)
Inventor
Satoshi Nagaoka
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP11230978A priority Critical patent/JPS5539148A/en
Publication of JPS5539148A publication Critical patent/JPS5539148A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
JP11230978A 1978-09-14 1978-09-14 Switching device contact wear detector Pending JPS5539148A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11230978A JPS5539148A (en) 1978-09-14 1978-09-14 Switching device contact wear detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11230978A JPS5539148A (en) 1978-09-14 1978-09-14 Switching device contact wear detector

Publications (1)

Publication Number Publication Date
JPS5539148A true JPS5539148A (en) 1980-03-18

Family

ID=14583440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11230978A Pending JPS5539148A (en) 1978-09-14 1978-09-14 Switching device contact wear detector

Country Status (1)

Country Link
JP (1) JPS5539148A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62264524A (en) * 1986-05-13 1987-11-17 三菱電機株式会社 Breaker state monitor
JPS6414832A (en) * 1987-07-09 1989-01-19 Toshiba Corp Electrode consumption rate measuring device for power breaker
JP2007149458A (en) * 2005-11-25 2007-06-14 Chugoku Electric Power Co Inc:The Contact wear monitoring system for circuit breaker, circuit breaker maintenance assisting method, and program
JP2008198557A (en) * 2007-02-15 2008-08-28 Mitsubishi Electric Corp Gas circuit breaker state prediction method, state prediction apparatus, and gas circuit breaker
JP2013073782A (en) * 2011-09-28 2013-04-22 Chugoku Electric Power Co Inc:The Breaker contact piece exhaustion amount management system
JP2016039649A (en) * 2014-08-05 2016-03-22 株式会社かんでんエンジニアリング Breaking current analyzer, breaking current analysis system
JP2020091945A (en) * 2018-12-03 2020-06-11 富士電機機器制御株式会社 Contact lifetime diagnosis method and device for electric apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5070866A (en) * 1973-10-27 1975-06-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5070866A (en) * 1973-10-27 1975-06-12

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62264524A (en) * 1986-05-13 1987-11-17 三菱電機株式会社 Breaker state monitor
JPS6414832A (en) * 1987-07-09 1989-01-19 Toshiba Corp Electrode consumption rate measuring device for power breaker
JP2007149458A (en) * 2005-11-25 2007-06-14 Chugoku Electric Power Co Inc:The Contact wear monitoring system for circuit breaker, circuit breaker maintenance assisting method, and program
JP2008198557A (en) * 2007-02-15 2008-08-28 Mitsubishi Electric Corp Gas circuit breaker state prediction method, state prediction apparatus, and gas circuit breaker
JP2013073782A (en) * 2011-09-28 2013-04-22 Chugoku Electric Power Co Inc:The Breaker contact piece exhaustion amount management system
JP2016039649A (en) * 2014-08-05 2016-03-22 株式会社かんでんエンジニアリング Breaking current analyzer, breaking current analysis system
JP2020091945A (en) * 2018-12-03 2020-06-11 富士電機機器制御株式会社 Contact lifetime diagnosis method and device for electric apparatus

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