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This paper proposes the new current reconstruction method of three-phase currents in case of using dc-link shunt resistor for three-phase AC motor. When dc-link shunt resistor is used for the acquisition of phase currents, there are the immeasurable regions in the hexagon of Space Vector Pulse Width Modulation(SVPWM). The conventional methods used the shift of the switching patterns of SVPWM to extend...
This paper is concerned with the design and simulation of a pulse width modulation (PWM) rectifier for three-phase Permanent Magnetic motor drive. Based on the mathematical model of PWM rectifier, the dual-close-loop engineering design with decoupled feed-forward control is applied in the 3-phase voltage source rectifier. The objective to be reached is to realize unity power factor at the input ac...
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