在并联型有源滤波器的控制过程中,前馈控制能够快速跟踪负荷波动,但需要精确的模型和参数。
For the control of shunt APF (Active Power Filter), feedforward is an effective way to track the load variation, but accurate models and parameters are demanded.
针对电网电压波动对有源滤波器的影响进行了详细的分析,提出了通过电网电压和输出电流前馈的方法对其扰动进行抑制。
The feed forward of network voltage and output current is proposed to decrease the impaction of voltage fluctuation on the performance of active power filter.
再将有源滤波器接入点后的线上电流的谐波分量反馈回来,作为调节器的输入,调整前馈控制的误差。
Active Filter access point and then after the line current harmonics back to the company as the regulator's input, adjusting the feedforward control error.
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