混合型有源电力滤波器的研究

RESEARCH ON HYBRID ACTIVE FILTER

本文提出了一种用有源电力滤波器与C型高通滤波器串联构成的混合型电力滤波器，分析了其工作原理，给出了有源滤波器的控制方案，讨论了滤波器参数选择的依据，并通过计算机仿真对其理论和滤波效果进行了验证。结果表明，在满足补偿同等诸波的条件下，混合型滤波器容量明显减小。

In this paper a' novel hybrid active filter is presented which combines active filter with C-type filter by serial connection. The principle, control and design criteria of the hybrid active filter are analyzed and discussed. The results obtained from theoretical analyses are verified by digital simulation. The result of comparing the hybrid active filter with parallel active filter shows that the capacity of inverter of hybrid filter is notably reduced under the condition of compensating the same harmonic current.