摘要
为了比较不同并联混合型有源电力滤波器的滤波特性及电源阻抗对其滤波特性的影响,选用了四种典型的并联混合型有源电力滤波器拓扑结构,分析了它们的工作原理。首先在固定电源阻抗时,画出了在同样的电路参数和控制方式下,不同的并联混合型有源电力滤波器拓扑结构中,流入电源的谐波电流与负载谐波电流比值的波特图,然后又在电源阻抗发生变化的情况下,画出了流入电源的谐波电流与负载谐波电流比值的波特图,通过对这些波特图的分析,比较了不同并联混合型有源电力滤波器的滤波特性以及电源阻抗对其滤波特性的影响,从而找到了滤波效果较好的并联混合型有源电力滤波器的拓扑结构。
In order to compare the filter characteristics of different hybrid shunt active power filter （HSAPF） and the influence of the source impedance to filter performance, four typical topology of the hybrid shunt active power filter （HSAPF） are selected in this paper, of which the operating principles are analyzed. First of all, when source impedance is invariable, the bode diagrams of the ratio of the harmonic currents flowing into the power supply to the load is drawn under the same parameters and control conditions, and then, the bode diagrams of the ratio of the harmonic currents flowing into the power supply to the load is drawn while the source is different. The filter characteristics and the influence of the source impedance to filter performance are compared according to the analysis of the bode diagrams. Consequently, the topology of HSAPF which has preferable filter characteristics is found. This project is supported by National Natural Science Foundation of Chongqing（No.CSTC2006BB6210）.
出处
《继电器》
CSCD
北大核心
2007年第8期61-65,共5页
Relay
基金
重庆市自然科学基金(CSTC2006BB6210)
