A Self-Adaptive Blanking Circuit for IGBT Short-Circuit Protection Based on VCE Measurement

被引：0
|
作者：
Zhang, Xingyao [1 ]
Chen, Min [1 ]
Zhu, Nan [1 ]
Xu, Dehong [1 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310003, Zhejiang, Peoples R China
来源：
2015 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2015年
关键词：
self-adaptive blanking circuit; V-CE measurement; short-circuit protection;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In order to determine whether the IGBT short-circuit fault occurs, the collector-emitter voltage V-CE of an IGBT has been detected in the IGBT gate drivers. The blanking circuit is needed in this kind of protection method to avoid the malfunction of the short-circuit protection during IGBT turn-on transient. However, this blanking circuit should be carefully designed for different types of IGBT modules. In order to make the IGBT short-circuit protection circuit suitable for the tolerance of IGBT modules, a self-adaptive blanking circuit combined with the aforementioned short-circuit protection method based on V-CE measurement is proposed. The analysis of the proposed circuit is given, and the experimental results are included to prove the effectiveness of the proposed circuit.
引用
收藏
页码：4125 / 4131
页数：7
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