Study of New Three- phase Voltage Source PWM Rectifier

Zeng zhihui; Zhang yiming; Yu Fei; Feng jinlan
March 2013
International Journal of Digital Content Technology & its Applic;Mar2013, Vol. 7 Issue 6, p1088
Academic Journal
It has been established that a mathematical model for the three-phase voltage source PWM rectifier based on the three-phase stationary symmetric coordinate system (a, b, c) and two-phase synchronous rotating coordinate system (d, q); adopted the power feedforward decouping control strategy, a double closed-loop control structure for three-phase voltage source PWM to solve the problem between the active and reactive power coupler. At last, the Space Vector PWM (SVPWM) control strategy has been put forward, which improved the utilization of DC voltage and robustness of the system. The simulation and experiment results show that the system which was designed has good waveform of AC side current, high stability, fast dynamic response speed, and can achieve the two-way flow of energy and the control of unit power factor.


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