有源电力滤波器控制方法综述

Control methods of active power filter

谐波问题日益严重,有源电力滤波器(APF)是补偿电力系统谐波及无功功率的重要装置,其控制方法对其性能有很大的影响。因此,提出了许多有源电力滤波器的控制方法。简要介绍了单周控制、滞环电流控制、空间矢量调制、无差拍控制、滑模控制、重复控制、预测控制、模糊控制、自适应控制、迭代自学习控制、无源性控制、人工神经网络控制在APF中的应用,进行对比分析,指出它们各自的优缺点及一些改进的方案,并展望了未来控制方法的发展方向。

Harmonic pollution becomes more and more serious. Active power filter （APF） is an important equipment to compensate harmonic and reactive currents in power systems and its control method has a great influence on its performance. So many control methods of APF were presented. This paper introduces briefly about several control methods used by APF, covering the one-cycle control, hysteresis current control, space vector control, dead-beat control, sliding mode control, repetitive control, predicted control, fuzzy control, adaptive control, iterative learning control, passivity based control, artificial neural network control and so on. The comparison and analysis indicate their individual advantages and disadvantages, The improved ways and control methods are proposed.