摘要
提出了电压控制型Buck DC/DC变换器最优截止频率fc选择,在此基础上给出了电压控制型Buck变换器输出阻抗的优化设计准则:采用PI调节器或单极点双零点补偿器,当截止频率满足最优截止频率选择时,能够有效抑制输出阻抗尖峰,从而确保系统良好的稳定与动态性能。实验结果验证了理论分析的正确性。
In this paper, an optimum cut-off frequency for voltage mode control Buck dc/dc converter is presented, and a criterion for output impedance optimization is given as follows： with PI controller or single-pole-double-zero controller, the peak of output impedance is restrained effectively based on the optimum cut-off frequency compensation, which ensures good stability and dynamic performance of converters. Experimental results verified the theoretical analysis.
出处
《电工技术学报》
EI
CSCD
北大核心
2007年第8期18-23,共6页
Transactions of China Electrotechnical Society
基金
台达电力电子科教基金(DRE02006007)
关键词
输出阻抗
BUCK变换器
截止频率
电压型控制
Output impedance, Buck converter, cut-off frequency, voltage mode control
