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Comparative analysis of direct power control and direct power control with space vector modulation of PWM rectifier

机译:PWM整流器直接功率控制与带空间矢量调制的直接功率控制的比较分析

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This paper presents a comparative analysis of direct power control (DPC) and direct power control with space vector modulation (DPC-SVM) of three phase PWM rectifier. In the first strategy has been developed to control the instantaneous active and reactive power directly by selecting the optimum switching state of the PWM rectifier. The main of this strategy is the improve the power factor and the total harmonic distortion. In the second strategy called the direct power control with space vector modulation (DPC-SVM), the use of SVM technique for the converter switching signal generation is based on the power control model of the converter in synchronous coordinates (dq), with the aim to ensuring a stable active power exchange, a good dynamic response, constant switching frequency and in particular it provides a sinusoidal line currents. Simulation and results has shown that both control structures achieve good performances.
机译:本文对三相PWM整流器的直接功率控制(DPC)和带空间矢量调制的直接功率控制(DPC-SVM)进行了比较分析。在第一种策略中,已经开发出通过选择PWM整流器的最佳开关状态直接控制瞬时有功功率和无功功率的策略。该策略的主要目的是提高功率因数和总谐波失真。在第二种称为空间矢量调制直接功率控制(DPC-SVM)的策略中,将SVM技术用于转换器开关信号生成的目的是基于同步坐标(dq)中转换器的功率控制模型,目的是为确保稳定的有功功率交换,良好的动态响应,恒定的开关频率,尤其是提供正弦线电流。仿真和结果表明,两种控制结构均具有良好的性能。

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