大功率装置用多路输出高压隔离新型开关电源设计  

A Kind of New Switching Power Supply with Multiple Isolated Outputs Used in High-power Device

作　　者：夏凌辉[1] 吕征宇[1] 费万民[1] 

机构地区：[1]浙江大学电力电子国家重点实验室,浙江杭州310027

出　　处：《电源技术应用》2003年第12期6-9,共4页Power Supply Technologles and Applications

基　　金：台达电力电子科教发展基金资助项目

摘　　要：基于专利技术,通过设计高频交流电流源和一种特殊的输出变压器,研制了一种用于短路故障限流器中晶闸管驱动的多输出开关电源。给出了主电路拓扑结构,叙述了输出变压器的结构及特点,分析了系统的工作原理,进行了校验电源有效性的仿真,开发了一台样机并成功应用在限流器实验装置中。Based on a Chinese Palent,a novel high frequency switching power supply with many isolated outputs used for driving of thyristors in the short circuit fault current limiter is developed by design of a high frequency AC current source and a kind of new transformer.The topology of the main circuit is described.The characteristics and structure of the transformer are discussed.The principle of the power supply is analyzed.The validity of the power supply is verified both by a simulation and a prototype,which is effectively applied to a experimental equipment of the short circuit fault current limiter.

关 键 词：多路输出 高压隔离 驱动电源 短路故障限流器 开关电源 设计 

分 类 号：TN86[电子电信—信息与通信工程]