JPS54149858A - Smoothing capacitor deterioration monitor unit - Google Patents

Smoothing capacitor deterioration monitor unit

Info

Publication number
JPS54149858A
JPS54149858A JP5792878A JP5792878A JPS54149858A JP S54149858 A JPS54149858 A JP S54149858A JP 5792878 A JP5792878 A JP 5792878A JP 5792878 A JP5792878 A JP 5792878A JP S54149858 A JPS54149858 A JP S54149858A
Authority
JP
Japan
Prior art keywords
smoothing capacitor
monitor unit
capacitor deterioration
deterioration monitor
unit
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
JP5792878A
Other languages
Japanese (ja)
Inventor
Reiji Takeuchi
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP5792878A priority Critical patent/JPS54149858A/en
Publication of JPS54149858A publication Critical patent/JPS54149858A/en
Pending legal-status Critical Current

Links

Landscapes

  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
JP5792878A 1978-05-16 1978-05-16 Smoothing capacitor deterioration monitor unit Pending JPS54149858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5792878A JPS54149858A (en) 1978-05-16 1978-05-16 Smoothing capacitor deterioration monitor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5792878A JPS54149858A (en) 1978-05-16 1978-05-16 Smoothing capacitor deterioration monitor unit

Publications (1)

Publication Number Publication Date
JPS54149858A true JPS54149858A (en) 1979-11-24

Family

ID=13069660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5792878A Pending JPS54149858A (en) 1978-05-16 1978-05-16 Smoothing capacitor deterioration monitor unit

Country Status (1)

Country Link
JP (1) JPS54149858A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57190274A (en) * 1981-05-19 1982-11-22 Nec Corp Deterioration detecting circuit for smoothing circuit
JPS58154395A (en) * 1982-03-09 1983-09-13 Mitsubishi Electric Corp Controller for ac elevator
JPS6381279A (en) * 1986-09-25 1988-04-12 Kosuke Harada Preventive maintenance system for smoothing capacitor
JPS6381278A (en) * 1986-09-25 1988-04-12 Kosuke Harada Life display device for smoothing capacitor
JPS6381277A (en) * 1986-09-25 1988-04-12 Kosuke Harada Life detector for smoothing capacitor
JPS6381276A (en) * 1986-09-25 1988-04-12 Kosuke Harada Life detecting method for smoothing capacitor
JPS63128270A (en) * 1986-11-18 1988-05-31 Nippon Chemicon Corp Detecting circuit for deterioration of electrolytic capacitor
JPS63228917A (en) * 1987-03-18 1988-09-22 株式会社日立製作所 Defect identification circuit for source ripple eliminating electrolytic capacitor
JP2019092253A (en) * 2017-11-13 2019-06-13 株式会社リコー Power supply device
JP2020527024A (en) * 2017-10-24 2020-08-31 ミツビシ・エレクトリック・アールアンドディー・センター・ヨーロッパ・ビーヴィＭｉｔｓｕｂｉｓｈｉ Ｅｌｅｃｔｒｉｃ Ｒ＆Ｄ Ｃｅｎｔｒｅ Ｅｕｒｏｐｅ Ｂ．Ｖ． Methods and equipment for online monitoring of DC bus capacitors

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57190274A (en) * 1981-05-19 1982-11-22 Nec Corp Deterioration detecting circuit for smoothing circuit
JPS58154395A (en) * 1982-03-09 1983-09-13 Mitsubishi Electric Corp Controller for ac elevator
JPS6260349B2 (en) * 1982-03-09 1987-12-16 Mitsubishi Electric Corp
JPS6381276A (en) * 1986-09-25 1988-04-12 Kosuke Harada Life detecting method for smoothing capacitor
JPS6381278A (en) * 1986-09-25 1988-04-12 Kosuke Harada Life display device for smoothing capacitor
JPS6381277A (en) * 1986-09-25 1988-04-12 Kosuke Harada Life detector for smoothing capacitor
JPS6381279A (en) * 1986-09-25 1988-04-12 Kosuke Harada Preventive maintenance system for smoothing capacitor
JPH0541950B2 (en) * 1986-09-25 1993-06-25 Kosuke Harada
JPS63128270A (en) * 1986-11-18 1988-05-31 Nippon Chemicon Corp Detecting circuit for deterioration of electrolytic capacitor
JPH0459592B2 (en) * 1986-11-18 1992-09-22 Nippon Chemicon
JPS63228917A (en) * 1987-03-18 1988-09-22 株式会社日立製作所 Defect identification circuit for source ripple eliminating electrolytic capacitor
JP2020527024A (en) * 2017-10-24 2020-08-31 ミツビシ・エレクトリック・アールアンドディー・センター・ヨーロッパ・ビーヴィＭｉｔｓｕｂｉｓｈｉ Ｅｌｅｃｔｒｉｃ Ｒ＆Ｄ Ｃｅｎｔｒｅ Ｅｕｒｏｐｅ Ｂ．Ｖ． Methods and equipment for online monitoring of DC bus capacitors
JP2019092253A (en) * 2017-11-13 2019-06-13 株式会社リコー Power supply device

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