有源电力滤波器滑模?无源控制策略研究
Power Generation Technology（2023）
Abstract
为了提高有源电力滤波器(active power filter,APF)的补偿性能和谐波抑制能力,提出电压外环采用趋近律滑模控制(sliding mode control,SMC)、电流内环采用无源控制(passivity based control,PBC)的SMC-PBC策略.与比例积分(proportion integration,PI)和PBC相结合的PI-PBC策略、PI和滞环电流控制(hysteresis current control,HCC)相结合的PI-HCC策略相比,SMC-PBC策略可以使APF在负载改变时补偿后的电网电流更接近于正弦波.通过MATLAB/Simulink实验平台进行仿真验证,结果表明SMC-PBC策略有效可行.
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Key words
power electronics,active power filter（APF）,passivity based control（PBC）,sliding mode control（SMC）,harmonic suppression
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