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In this paper, a predictive direct power control (P-DPC) strategy for a three level NPC rectifier under ideal grid voltage is proposed, discussed and applied. With the proposed P-DPC strategy, the control targets are the active power, the reactive power and the neutral potential voltage; neither hysteresis comparators nor switching table are needed; sinusoidal input current with low total harmonic...
This paper deals with the Model Predictive Control of Uninterruptable Power System(UPS) using two level converter. The controller uses the d-q plane model of the system to predict the behavior of the state including output voltage at each sampling time. An equilibrium state and corresponding equilibrium inputs for the given reference output voltage is determined from the system model. Using the derived...
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