摘要
结合抽头电感和辅助控制电路,提出了一种提高Buck变换器负载动态性能的控制方法,详细分析了该电路的工作原理及辅助开关管电压应力,并进行抽头电感匝比的优化设计。通过Pspice软件仿真和实验验证了该电路的可行性。结果表明,该电路能够提高Buck变换器加载时动态性能。
Based on tapped-inductor and auxiliary control circuit,a new control method which improves the load dynamic performance of Buck converter is proposed.The working principle of the circuit and the voltage stress of the auxiliary switch are analyzed, and the turns ratio of tapped-inductor is optimized.Pspice software simulation and experiment show the feasibility of the circuit.The results show that the circuit can improve the load dynamic performance of Buck converter during a step-up load current transient.
出处
《电力电子技术》
CSCD
北大核心
2011年第12期123-125,共3页
Power Electronics
基金
福建省教育厅科技项目(JA08024)~~
关键词
变换器
抽头电感
辅助开关管
负载动态性能
converter
tapped-inductor
auxiliary switch
load dynamic performance
