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Simulation of Shunt Active Power Filter in Three-phase Four-wire System
Author(s): 
Pages: 34-35,38
Year: Issue:  1
Journal: ELECTRIC SWITCHGEAR

Keyword:  并联型有源电力滤波器谐波仿真三维空间矢量脉宽调制;
Abstract: 并联型有源电力滤波器可较好地补偿电流源产生的谐波,利用MATLAB中的电力系统仿真工具箱对其进行建模与仿真.不同于传统的模拟滞环比较器,采用基于三维空间矢量脉宽调制(3D SVPWM)法控制补偿电流的产生.这种新型的空间矢量脉宽调制方法被用在三相四线系统中的并联电能质量补偿设备中,用来控制一个三桥臂逆变器,实现对电流谐波和中线电流的补偿.仿真试验结果表明,能很好地补偿非线性负载产生的谐波.
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