基于磁放大器的大电流多输出开关稳压电源的研究  

A High Current and Multi-Output-Voltage's Design Based the Magnetic Amplifier

作　　者：李新[1] 梁远文[1] 张从力[1] 

机构地区：[1]重庆大学,重庆400044

出　　处：《电源世界》2004年第4期38-41,44,共5页The World of Power Supply

摘　　要：本文提出了一种基于磁放大器的多输出开关稳压电源设计方法,据此设计出了具有实用价值的新型开关电源。本文分析了电路的稳压及限流原理,同时对系统的稳定性进行了分析,且提供了一些关键参数的设计与计算。实验证明:该稳压电源的效率达85%,电压稳定度可达98.5%。This paper puts forward a multi-output-voltage's design on the basis of a magnetic amplifier,and we design a novel practical valued switching power according to the theory.The paper analyses the voltage-stabilizationand and current-limitation theory of this circuit,moreover discusses the stabilization of the whole closed-loop system,some critical parameters are designed and calculated.Experiments prove that the efficiency of the voltage-stabilization power is 85%.and the stability is up to 98.5%.

关 键 词：开关稳压电源 磁放大器 限流原理 磁芯 磁滞回线 控制芯片 

分 类 号：TM44[电气工程—电器]