Abstract
SVPWM algorithm is widely used in the field of power electronic frequency conversion power supply, motor frequency conversion control, power quality optimization and other technical fields. In this paper, the principle of SVPWM modulation is analyzed, in order to make the over-modulation algorithm more simplistic, the adverse effects on the system are smaller, and a phase and amplitude are used to change the modulation method to optimize the algorithm of the cross modulation II zone[1,2]. And using Matlab software to build SVPWM model for simulation verification. Explains the correctness of this method.
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