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A new pulse width modulation (PWM) strategy which is an alternative approach of the discontinuous PWM (DPWM) for a three-level neutral-point-clamped (NPC) inverter is proposed in this paper. A three-level NPC inverter is completely mature and very well established topology in high-power applications. However, the three-level NPC inverter has the inherent problem of neutralpoint voltage unbalancing...
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