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LCL-filter design for grid-connected PCS using total harmonic distortion and ripple attenuation factor

机译:使用总谐波失真和纹波衰减因子的并网PCS的LCL滤波器设计

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This paper deals with a design method of LCL filter for grid-connected three-phase PWM voltage source inverters (VSI). By analyzing the total harmonic distortion of the current (THDi) in the inverter-side inductor and the ripple attenuation factor of the current (RAF) injected to the grid through the LCL network, the parameter of LCL can be clearly designed. The described LCL filter design method is verified by showing a good agreement between the target current THD and the actual one through simulation and experiment.
机译:本文针对并网三相PWM电压源逆变器(VSI)的LCL滤波器的设计方法进行了研究。通过分析逆变器侧电感器中电流(THD i )的总谐波失真以及通过LCL网络注入电网的电流(RAF)的纹波衰减因子,LCL的参数可以清楚地设计。通过仿真和实验表明目标电流THD与实际THD之间的良好一致性,验证了所描述的LCL滤波器设计方法。

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