Flexible Vector Distribution Strategy for Cooperative Current Ripple Reduction in Three-Phase Voltage Source Inverter

To further enhance the performance of space vector pulse width modulation (SVPWM), a novel flexible vector distribution strategy is proposed for three-phase current ripple reduction. In this strategy, a new voltage vector sequence is proposed. Then, the optimal duration for each segment of the voltage vector is calculated based on the specific operating conditions in real-time. With the proposed strategy, the three-phase current ripple can be cooperatively reduced. Simulation results are presented to validate the efficiency of the proposed strategy.