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This paper presents a new switching table for direct power control (DPC) applied to a three-phase PWM rectifier. The conventional switching table for DPC is not satisfactory in the controlling of the active and reactive power. Based on the analysis on the change of active and reactive power, the optimal rectifier voltage can be selected. Consequently, the more effective switching table for DPC is...
In this paper, a comparative study is carried out on the six new switching tables and the conventional switching table of the direct power control (DPC) for voltage source rectifier (VSR). On the basis of the mathematical model for VSR, the expressions for variation of active and reactive power are obtained. In order to minimize the errors between the command and the estimated values of active and...
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