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建立了包括有源电力滤波器（ＡＰＦ）在内的公共连接点（ＰＣＣ）的数学模型；针对实际控制器计算过程中的时间延迟，提出对负载电流值进行预测的两种算法，对逆变器的开关元件提出一种新型脉宽调制（ＰＷＭ）控制方案，并采用电力电子仿真软件包进行了仿真验证。
A mathematical model of common connection point (PCC) including active power filter (APF) is established. According to the time delay in the actual controller calculation, two algorithms are proposed to predict the load current value. A new pulse width modulation (PWM) control scheme is proposed for the switching elements of the device, and the simulation is carried out by using the power electronic simulation software package.