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单相光伏并网与有源滤波的统一控制

, PP. 103-109

Keywords: 光伏系统,单相并网,有源滤波器,无功补偿,最大功率点跟踪

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Abstract:

光伏并网系统由于日照强度不定,利用率不高,目前的APF装置主要应用在工业三相大功率系统中,成本高且功能单一。本文提出了一种单相光伏并网与有源滤波器的统一控制策略,在同一装置上实现光伏并网发电的同时,将系统剩余容量进行部分或全部无功和谐波补偿,提高系统利用率。仿真和实验结果验证了本文提出的无功电流和谐波电流的检测方法,以及电流环和电压环控制器的设计方法的正确性和可行性。

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