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三相四开关并联有源电力滤波器的控制方法

, PP. 183-190

Keywords: 电力电子,三相四开关逆变器,并联有源滤波器,电流控制,直流侧电压控制

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Abstract:

在详细分析一种基于四开关逆变器的三相四开关并联有源滤波器(TFSSAPF)的拓扑结构和工作原理的基础上,采用控制TFSSAPF输出电流有功分量的方法,以稳定直流侧电容总电压,提出在TFSSAPF的c相输出电流指令值上叠加直流侧电容均压控制量的方法,实现直流侧电容电压均衡。针对TFSSAPF的结构,提出采用相电流作为指令电流的SPWM电流调制算法,并综合输出电流和直流侧电容电压控制目标,提出适用于TFSSAPF的控制方法。样机实验结果验证了所提方法的正确性和有效性。

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