固态功率控制器感性负载下的续流特性分析  

Analysis of Continuous Current Characteristics of Solid-state Power Controller under Inductive Load

作　　者：李辉耀 万成安 陈永刚 李心歆 李丽 LI Huiyao;WAN Cheng’an;CHEN Yonggang;LI Xinxin;LI Li(Beijing Spacecrafts Manufacturing Co.,Ltd,Beijing 100080,China;Beijing Space Power Conversion and Control Engineering Research Center,Beijing 100080,China)

机构地区：[1]北京卫星制造厂有限公司,北京100080 [2]北京市空间电源变换与控制工程研究中心,北京100080

出　　处：《电源学报》2022年第5期68-74,共7页Journal of Power Supply

摘　　要：结合我国空间站用固态功率控制器的保护特性,对其在不同关断模式下的续流特性进行了理论分析,并通过建模仿真给出了不同感性负载下关断电流对功率回路MOSFET、二极管关键半导体器件的电、热应力影响,最后给出了固态功率控制器感性负载下的使用注意事项,对固态功率控制器安全性设计及使用具有一定的参考意义。Based on the protection characteristics of a solid-state power controller(SSPC) used in space stations of Chi na, its continuous current characteristics in different shutdown modes are analyzed theoretically. Then, the influences of shutdown current on the electric and thermal stress in key semiconductor components(e.g., power MOSFET and diode) under different inductive loads are simulated. Finally, the precautions for the use of SSPC under inductive load are given,which can be helpful for its safety design and applications.

关 键 词：固态功率控制器 感性负载 续流特性 

分 类 号：TN710[电子电信—电路与系统]