2006•Journal of Xi'an University of TechnologyRequires access

Research on a Novel Three-Level PWM Rectifier

Sun Xiangdong

Abstract

A novel three-phase three-level neutral-pointclamped switching mode PWM rectifier is presented,the mathematical model of the rectifier is analyzed in details,and the working mode and the control method are studied in detail.The simulation results show that the harmonics is suppressed effectively,the voltage stress of power switches is reduced,the unit power factor is achieved,and the bi-directioned flowing of the energy is realized.

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Available abstract

Key concepts: PWM rectifier, Harmonics, Rectifier (neural networks), Pulse-width modulation, Precision rectifier, Power factor, Voltage, Power (physics)