基于磁隔离双向传输的多功能DC/DC变换器设计  

The design of a multifunctional DC/DC converter based on magnetic isolation bidirectional transmission

作　　者：贺啟峰 高东辉 徐成宝[1] He Qifeng;Gao Donghui;Xu Chengbao(The 43 Research Institute of CETC,Hefei 230088,China)

机构地区：[1]中国电子科技集团公司第43研究所,安徽合肥230088

出　　处：《电子技术应用》2020年第7期118-121,126,共5页Application of Electronic Technique

摘　　要：针对航天器单机系统对二次供电电源需求,以宇航用大功率多功能DC/DC变换器为研究对象,提出一种基于磁隔离双向传输反馈控制的DC/DC变换器电路结构,并在此电路基础上拓展出过流保护、禁止、并联均流等辅助功能。通过实际测试验证,采用该方案的产品性能指标优越,还具有良好的辅助功能。According to the requirement of spacecraft system for secondary power supply,a DC/DC converter circuit structure based on the feedback control of magnetic isolation bidirectional transmission is proposed for the aerospace high-power multifunctional DC/DC converter.Based on this circuit,the auxiliary functions such as over-current protection,forbidding and current sharing are developed.Through the actual test and verification,the product adopting this scheme has excellent performance indicators and good auxiliary functions.

关 键 词：磁隔离双向传输反馈控制 过流保护 并联均流 DC/DC变换器 

分 类 号：TM46[电气工程—电器]