CN111262462A - 一种逆变器的滤波电容失效检测方法 - Google Patents
一种逆变器的滤波电容失效检测方法 Download PDFInfo
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- CN111262462A CN111262462A CN202010144452.2A CN202010144452A CN111262462A CN 111262462 A CN111262462 A CN 111262462A CN 202010144452 A CN202010144452 A CN 202010144452A CN 111262462 A CN111262462 A CN 111262462A
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- Prior art keywords
- filter capacitor
- value
- threshold value
- midpoint
- inverter
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010144452.2A CN111262462A (zh) | 2020-03-04 | 2020-03-04 | 一种逆变器的滤波电容失效检测方法 |
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CN202010144452.2A CN111262462A (zh) | 2020-03-04 | 2020-03-04 | 一种逆变器的滤波电容失效检测方法 |
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CN111262462A true CN111262462A (zh) | 2020-06-09 |
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CN202010144452.2A Pending CN111262462A (zh) | 2020-03-04 | 2020-03-04 | 一种逆变器的滤波电容失效检测方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111983447A (zh) * | 2020-09-01 | 2020-11-24 | 深圳市英威腾电动汽车驱动技术有限公司 | 电机控制器及其三相桥臂逆变电路的故障检测方法和电路 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102738826A (zh) * | 2012-06-11 | 2012-10-17 | 合肥工业大学 | 改进型lcl滤波器对漏电流的抑制方法及中点平衡控制方法 |
CN102624324B (zh) * | 2011-01-28 | 2014-11-12 | 洛克威尔自动控制技术股份有限公司 | 驱动故障保护 |
JP2018113838A (ja) * | 2017-01-13 | 2018-07-19 | 株式会社日本製鋼所 | ノイズ低減用のyコンデンサの劣化検出装置 |
CN110086365A (zh) * | 2019-05-05 | 2019-08-02 | 北京交通大学 | 一种中点自平衡三电平并网变流器拓扑 |
CN110556789A (zh) * | 2018-05-31 | 2019-12-10 | 株洲中车时代电气股份有限公司 | 一种车载逆变器输出滤波电容的故障保护方法及*** |
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2020
- 2020-03-04 CN CN202010144452.2A patent/CN111262462A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102624324B (zh) * | 2011-01-28 | 2014-11-12 | 洛克威尔自动控制技术股份有限公司 | 驱动故障保护 |
CN102738826A (zh) * | 2012-06-11 | 2012-10-17 | 合肥工业大学 | 改进型lcl滤波器对漏电流的抑制方法及中点平衡控制方法 |
JP2018113838A (ja) * | 2017-01-13 | 2018-07-19 | 株式会社日本製鋼所 | ノイズ低減用のyコンデンサの劣化検出装置 |
CN110556789A (zh) * | 2018-05-31 | 2019-12-10 | 株洲中车时代电气股份有限公司 | 一种车载逆变器输出滤波电容的故障保护方法及*** |
CN110086365A (zh) * | 2019-05-05 | 2019-08-02 | 北京交通大学 | 一种中点自平衡三电平并网变流器拓扑 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111983447A (zh) * | 2020-09-01 | 2020-11-24 | 深圳市英威腾电动汽车驱动技术有限公司 | 电机控制器及其三相桥臂逆变电路的故障检测方法和电路 |
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Address after: 361000 Ma Long Road 457, Torch Garden, Xiamen Torch High-tech Zone, Xiamen City, Fujian Province Applicant after: Kehua Data Co.,Ltd. Applicant after: ZHANGZHOU KEHUA TECHNOLOGY Co.,Ltd. Address before: 361000 Ma Long Road 457, Torch Garden, Xiamen Torch High-tech Zone, Xiamen City, Fujian Province Applicant before: XIAMEN KEHUAHENGSHENG LIMITED BY SHARE Ltd. Applicant before: ZHANGZHOU KEHUA TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220622 Address after: 361001 room 208-38, Hengye building, No. 100, Xiangxing Road, Xiamen Torch High tech Zone (Xiang'an) Industrial Zone, Xiamen, Fujian Applicant after: Xiamen Kehua shuneng Technology Co.,Ltd. Address before: 361000 Ma Long Road 457, Torch Garden, Xiamen Torch High-tech Zone, Xiamen City, Fujian Province Applicant before: Kehua Data Co.,Ltd. Applicant before: ZHANGZHOU KEHUA TECHNOLOGY Co.,Ltd. |
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Application publication date: 20200609 |