为有效减少共模电压和输出电缆对高压变频器的不良影响，提出了一种LRC滤波器拓扑结构，给出了滤波器各个参数选取原则。
For effectively eliminating the bad impact of the output cable, a topological structure of LRC filter is presented and its principle of parameter selection is given.
首先，详细分析有源电力滤波器的各种拓扑结构，并在此基础上选择适合高压、大功率系统的有源电力滤波器拓扑结构进行深入分析；
Firstly, the topology which is appropriate for high voltage and big power system is selected based on the analyses of various active power filter topology, and analysis it deeply.
多调谐滤波器在电路拓扑结构上通常由一个串联支路和多个并联支路组成。
In general the circuit topology of multi-tuned filter consists of one series branch and multi-parallel branches.
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