【Key words】 DC side active power filter; harmonic characteristics; voltage type harmonic source; current type harmonic source; one cycle control
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并联型有源电力滤波器可较好地补偿电流型谐波源产生的谐波。
Shunt active power filter (SAPF) is very fit to compensate current source harmonics.
电网中不仅含有电流型谐波源负载,还存在大量电压型谐波源负载,并联型有源滤波器只对电流型谐波有较好的抑制作用,对电压型谐波不仅抑制效果较差,还会引发谐波放大,负载过流。
SAPF, which only has better inhibition to current-type harmonic source, is not only less inhibitory to the voltage-type harmonic source, but also lead to harmonic amplification and load over current.
从而说明对电流型或电压型谐波源进行谐波补偿,应该分别使用并联型或串联型apf。
Therefore, it is demonstrated that the shunt or series APF should be used for compensating the current or the voltage harmonic source.
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