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| Failure analysis of Crowbar rectifier diode for wind power system |
| Chen Ming, Huang Min |
| CRRC Zhuzhou Institute Co., Ltd, Zhuzhou, Hu’nan 412000 |
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Abstract In view of the fact that the rectifier diode of Crowbar wind power device is in the long-term operation of the inverter's switching pulse rectifier, high -di/dt and short turn-on time, the reverse recovery condition is poor, the soft factor is small, and the snappy is serious. According to the reverse recovery mechanism of PIN diode, the cause analysis of the failure cases occurred, and the improvement measures are proposed to provide a guarantee for the reliable operation of the product.
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Received: 13 October 2018
Published: 21 May 2019
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2019, Vol. 20 
