JP4300581B2 - コンデンサ寿命予測装置とこれを用いた電源装置 - Google Patents
コンデンサ寿命予測装置とこれを用いた電源装置 Download PDFInfo
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- JP4300581B2 JP4300581B2 JP2004321550A JP2004321550A JP4300581B2 JP 4300581 B2 JP4300581 B2 JP 4300581B2 JP 2004321550 A JP2004321550 A JP 2004321550A JP 2004321550 A JP2004321550 A JP 2004321550A JP 4300581 B2 JP4300581 B2 JP 4300581B2
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Description
200 コンデンサ寿命予測装置
220 検出回路
300 コンデンサ寿命情報提供装置制御回路(コンデンサ寿命判定部,寿命残存時間算出部)
Claims (2)
- コンデンサで平滑される直流電圧の脈動振幅値を検出する検出部と、この検出部で検出した脈動振幅検出値が基準値を超えたときに、警報信号を出力するコンデンサ寿命判定部とを備え、前記コンデンサ寿命判定部は、前記脈動振幅検出値と前記基準値との差分値の情報を取り込んで、該差分値とコンデンサの残存寿命時間との相関関係を求めることによって、前記コンデンサの寿命残存時間を算出して、この算出結果を出力する寿命残存時間算出部を備えたことを特徴とするコンデンサ寿命予測装置。
- 請求項1に記載のコンデンサ寿命予測装置を組み込んだことを特徴とする電源装置。
Priority Applications (1)
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JP2004321550A JP4300581B2 (ja) | 2004-11-05 | 2004-11-05 | コンデンサ寿命予測装置とこれを用いた電源装置 |
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JP2004321550A JP4300581B2 (ja) | 2004-11-05 | 2004-11-05 | コンデンサ寿命予測装置とこれを用いた電源装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006133046A JP2006133046A (ja) | 2006-05-25 |
JP4300581B2 true JP4300581B2 (ja) | 2009-07-22 |
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JP2004321550A Expired - Fee Related JP4300581B2 (ja) | 2004-11-05 | 2004-11-05 | コンデンサ寿命予測装置とこれを用いた電源装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112017006209T5 (de) | 2016-12-08 | 2019-08-22 | Tokai Kogyo Mishin Kabushiki Kaisha | Nähmaschine |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2990308B1 (fr) * | 2012-05-03 | 2014-04-18 | Schneider Toshiba Inverter | Procede et systeme de detection d'un defaut sur le bus continu d'alimentation d'un convertisseur de puissance |
CN102810995B (zh) * | 2012-07-30 | 2014-10-08 | 江苏兆伏新能源有限公司 | 半桥三电平并网逆变器的正负输入电容的电压调节方法 |
JP2015211477A (ja) * | 2014-04-23 | 2015-11-24 | 株式会社ノーリツ | ファンモータ駆動装置 |
JP6666550B2 (ja) * | 2015-06-04 | 2020-03-18 | 富士通株式会社 | コンデンサ寿命診断装置、電源システム、コンデンサ寿命診断方法及びプログラム |
JP6666551B2 (ja) | 2016-04-07 | 2020-03-18 | 富士通株式会社 | コンデンサ寿命診断装置、コンデンサ寿命診断方法及びプログラム |
KR101818334B1 (ko) * | 2016-04-12 | 2018-02-21 | 엘에스산전 주식회사 | 태양광 인버터의 고장 진단 서버 |
CN106855596B (zh) * | 2016-12-27 | 2019-05-28 | 深圳市汇北川电子技术有限公司 | 一种新能源汽车用金属化薄膜电容器的寿命试验方法 |
JP6991039B2 (ja) * | 2017-11-10 | 2022-01-12 | 三菱電機株式会社 | 給電装置及び制御システム |
CN109375032B (zh) * | 2018-09-15 | 2021-04-30 | 宁波高云电气有限公司 | 一种高功率大容量电容器的管理系统 |
JP7338189B2 (ja) | 2019-03-25 | 2023-09-05 | Tdk株式会社 | 電源装置 |
JP7183339B1 (ja) | 2021-05-27 | 2022-12-05 | 三菱電機株式会社 | 電圧変換装置 |
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2004
- 2004-11-05 JP JP2004321550A patent/JP4300581B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112017006209T5 (de) | 2016-12-08 | 2019-08-22 | Tokai Kogyo Mishin Kabushiki Kaisha | Nähmaschine |
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JP2006133046A (ja) | 2006-05-25 |
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