PWM switched voltage source inverter with zero neutral point potential
W.-S. Oh, SK Han, Gun‐Woo Moon
Abstract
W.-S. Oh, SK Han, Gun‐Woo Moon
Abstract
A new three-level PWM inverter is proposed. Its phase voltage is twice as high as that of the conventional neutral-point-clamped PWM inverter and a three-level waveform can be achieved without the switch voltage unbalance problem. Furthermore, its average neutral point potential is zero. The proposed inverter is verified by the PSpice simulation and experiment.
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A new three-level PWM inverter is proposed. Its phase voltage is twice as high as that of the conventional neutral-point-clamped PWM inverter and a three-level waveform can be achieved without the switch voltage unbalance problem. Furthermore, its average neutral point potential is zero. The proposed inverter is verified by the PSpice simulation and experiment.
Key concepts: Inverter, Pulse-width modulation, Waveform, Voltage, Control theory (sociology), Point (geometry), Computer science, Engineering