CN116325473A - 电力变换装置及开关元件的故障诊断方法 - Google Patents

电力变换装置及开关元件的故障诊断方法 Download PDF

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Publication number
CN116325473A
CN116325473A CN202180061281.XA CN202180061281A CN116325473A CN 116325473 A CN116325473 A CN 116325473A CN 202180061281 A CN202180061281 A CN 202180061281A CN 116325473 A CN116325473 A CN 116325473A
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CN
China
Prior art keywords
voltage
switching element
neutral point
test pulse
positive
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
CN202180061281.XA
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English (en)
Chinese (zh)
Inventor
森崎光贵
李海青
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 Mitsubishi Electric Industrial Systems Corp
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Toshiba Mitsubishi Electric Industrial Systems 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 Toshiba Mitsubishi Electric Industrial Systems Corp filed Critical Toshiba Mitsubishi Electric Industrial Systems Corp
Publication of CN116325473A publication Critical patent/CN116325473A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/487—Neutral point clamped inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
CN202180061281.XA 2021-07-07 2021-07-07 电力变换装置及开关元件的故障诊断方法 Pending CN116325473A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/025558 WO2023281643A1 (ja) 2021-07-07 2021-07-07 電力変換装置、及びスイッチング素子の故障診断方法

Publications (1)

Publication Number Publication Date
CN116325473A true CN116325473A (zh) 2023-06-23

Family

ID=84800440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180061281.XA Pending CN116325473A (zh) 2021-07-07 2021-07-07 电力变换装置及开关元件的故障诊断方法

Country Status (4)

Country Link
US (1) US12301130B2 (https=)
JP (1) JP7626328B2 (https=)
CN (1) CN116325473A (https=)
WO (1) WO2023281643A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12316243B2 (en) * 2020-04-30 2025-05-27 Tmeic Corporation Power converter and failure analysis method
CN119543682B (zh) * 2024-09-30 2025-12-09 华为数字能源技术有限公司 功率变换器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003033045A (ja) * 2001-07-10 2003-01-31 Mitsubishi Electric Corp インバータ装置
JP2008312403A (ja) * 2007-06-18 2008-12-25 Toshiba Corp 電力変換装置
JP2012210150A (ja) * 2012-08-02 2012-10-25 Toshiba Mitsubishi-Electric Industrial System Corp 多レベル電力変換装置
JP2013176240A (ja) * 2012-02-27 2013-09-05 Toshiba Mitsubishi-Electric Industrial System Corp 電力変換装置
JP2016092977A (ja) * 2014-11-05 2016-05-23 三菱重工業株式会社 故障検出装置、それを備えた空気調和装置、及び故障検出方法並びにプログラム
JP2020072503A (ja) * 2018-10-29 2020-05-07 富士電機株式会社 電力変換装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015008611A (ja) * 2013-06-26 2015-01-15 オムロンオートモーティブエレクトロニクス株式会社 Ｄｃ−ｄｃコンバータ
JP6699253B2 (ja) 2016-03-10 2020-05-27 富士電機株式会社 電力変換装置、スイッチング素子の短絡故障診断方法およびスイッチング素子のオープン故障診断方法
CN112042100B (zh) * 2018-11-28 2024-06-25 株式会社Tmeic 电力转换装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003033045A (ja) * 2001-07-10 2003-01-31 Mitsubishi Electric Corp インバータ装置
JP2008312403A (ja) * 2007-06-18 2008-12-25 Toshiba Corp 電力変換装置
JP2013176240A (ja) * 2012-02-27 2013-09-05 Toshiba Mitsubishi-Electric Industrial System Corp 電力変換装置
JP2012210150A (ja) * 2012-08-02 2012-10-25 Toshiba Mitsubishi-Electric Industrial System Corp 多レベル電力変換装置
JP2016092977A (ja) * 2014-11-05 2016-05-23 三菱重工業株式会社 故障検出装置、それを備えた空気調和装置、及び故障検出方法並びにプログラム
JP2020072503A (ja) * 2018-10-29 2020-05-07 富士電機株式会社 電力変換装置

Also Published As

Publication number Publication date
WO2023281643A1 (ja) 2023-01-12
US12301130B2 (en) 2025-05-13
JP7626328B2 (ja) 2025-02-07
US20230268847A1 (en) 2023-08-24
JPWO2023281643A1 (https=) 2023-01-12

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