三相角型APF补偿电流参考值计算方法Extraction Method of Compensation Current Reference for Three-Phase Delta-Connected Active Power Filter
高范强;朱海滨;李子欣;楚遵方;王平;李耀华;
摘要(Abstract):
在角型有源滤波器(active power filter,APF)补偿电流参考值提取过程中,对谐波补偿电流提取的动态响应和精度要求高,基频补偿电流需要与网侧线电压正交。针对这2个问题,以无功补偿导纳网络理论为基础,推导角型APF的基频补偿电流参考值与三相负荷电流的变换关系。在此基础之上,提出了补偿电流参考值的计算方法。该方法利用广义瞬时无功理论,并结合滤波器的运用,从三相电流中提取补偿电流参考值。仿真和试验结果验证了所提方法的有效性。
关键词(KeyWords): 有源电力滤波器;负序补偿;无功补偿;谐波检测
基金项目(Foundation):
作者(Author): 高范强;朱海滨;李子欣;楚遵方;王平;李耀华;
Email:
DOI: 10.13335/j.1000-3673.pst.2014.10.047
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