一种高压大电流功率单元的短路测试与分析  

Short Circuit Test and Analysis of a High Voltage and High Current Power Unit

作　　者：陈宏 陈彦肖 张丹 苑伟华 CHEN Hong;CHEN Yan-xiao;ZHANG Dan;YUAN Wei-hua(CRRC Yongji Electric Co.,Ltd.,Rail Transit System Development Department,Xi'an 710016,China)

机构地区：[1]中车永济电机有限公司,轨道交通系统开发部,陕西西安710016

出　　处：《电力电子技术》2020年第12期118-120,共3页Power Electronics

基　　金：中国铁路总公司科技研究开发计划课题(2015J002-A)。

摘　　要：简单介绍了高压大电流功率单元的电路拓扑、技术参数、布局结构及常见的Ⅰ、Ⅱ类短路测试方法,通过对该功率单元的不同短路方式回路杂散电感进行仿真,并结合功率单元的自身结构特点,制定了该功率单元合适的Ⅰ、Ⅱ类短路测试方案,最后进行了试验,试验结果证明了设计的短路测试方案的有效性和可靠性,进而验证了产品的可靠性。The circuit topology,technical parameters,layout and structure of high voltage and high current power unit,as well as the common short circuit test methods of class I and class II combined with the characteristics of the power unit’s structure are briefly introduced,a suitable class I and class II short circuit test scheme for the power unit is worked out.The test results prove the validity and reliability of the designed short circuit test scheme,thus the reliability of the product is verified.

关 键 词：功率单元 短路测试 波形分析 绝缘栅双极型晶体管 

分 类 号：TM933.3[电气工程—电力电子与电力传动]