基于功率预测的电压型PWM整流器直接功率控制研究

Research on Direct Power Control Strategy of Three-phase Voltage PWM Rectifiers Based on Power Forecast

介绍了三相电压型PWM整流器的基于功率预测的直接功率控制原理,分析了使用该方法的控制系统的性能,并使用该方法进行了仿真试验。用该方法设计的控制器能对输出电压进行良好的控制,能保证接近单位功率因数运行。

The principle of direct power control strategy of three-phase voltage PWM rectifiers based on power forecast is introduced. The performance of the control system using this method is analyzed, and the simulated test is carried out using this method. The result shows that controller designed using this method can control the output voltage well, and the controller can operate closely to the unity power factor.