基于空间电压矢量的有源电力滤波器参数设计

Active Power Filter Parameters Design Based on Space Voltage Vector

主电路参数是有源电力滤波器(APF)设计的重要组成部分,对其谐波补偿性能有重要影响。从APF的空间电压矢量模型出发,提出满足电流跟踪性能和输出电流纹波要求的滤波电感取值范围;分析了APF输出滤波电感、直流侧电容电压与APF电流跟踪性能和输出电流纹波间的关系;给出输出滤波电感和直流侧电容电压的设计方法,对工程实际中APF参数的设计具有一定实用价值。最后通过实验验证了该方法的正确性。

The main circuit parameters of active power filter （APF） have a major impact on the harmonic compensa- tion performance.The space vector model of APF is built.The inductance range of meeting the requirement of current tracking and current ripple is proposed.The relationship between output filter inductor,DC side capacitor voltage and the output current ripple, harmonic compensation performance is analyzed.Output filter inductor and DC side capacitor voltage design method is proposed which has some practical value for engineering practice.Finally, simulation and ex- perimental results verify the feasibility of the proposed method.