Neutral point potential balance control strategy of three level inverter
2018
The paper analyzes the principle of diode-clamped three-level inverter mainly from the control strategy of three-level midpoint potential balance. It expounds the reason and harm of the point potential imbalance in the three-level inverter and uses the adjustment of the complementary vector relative working time to control the mid — point potential balance. Finally, the correctness and feasibility of the method are verified by simulation and experiment.
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