新型混合有源滤波器的研究
首发时间:2011-08-08
摘要:为满足高压电网需求,减小有源滤波器的容量,提出一种新型混合有源滤波器(HAPF)。无源滤波器(PPF)由电容器和三相YnYn接变压器组成,利用变压器励磁电感和电容抑制5次谐波。有源滤波器(APF)和变压器串联,这样串联可以大大降低APF电压等级,满足高压电网需求。
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Study on New Type Hybrid Active Power Filter
Abstract:In this paper a new topology of Hybrid Active Power Filter(HAPF) was proposed for high-voltage distribution grid. The Passive Power Filter(PPF) of this topology consists of capacitors and three-phase transformer(YnYn), Magnetizing inductances and capacitors are used to tune off 5th harmonic order frequency.The Active Power Filter(APF) is connected in siries to transformer and capcacitors,which greatly reduces the voltage rating of APF.Because of this advantage,this topology is effective to be used in the high-voltage distribution grid.
Keywords: HAPF Low pass fliter Magnetizing inductance
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