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Simple direct power control of three-phase PWM rectifier using space-vector modulation (DPC-SVM)

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3 Author(s)
Malinowski, M. ; Inst. of Control & Ind. Electron., Warsaw Univ. of Technol., Poland ; Jasinski, M. ; Kazmierkowski, M.P.

This paper proposes a novel and simple direct power control of three-phase pulsewidth-modulated (PWM) rectifiers with constant switching frequency using space-vector modulation (DPC-SVM). The active and reactive powers are used as the pulse width modulated (PWM) control variables instead of the three-phase line currents being used. Moreover, line voltage sensors are replaced by a virtual flux estimator. The theoretical principle of this method is discussed. The steady-state and dynamic results of DPC-SVM that illustrate the operation and performance of the proposed system are presented. It is shown that DPC-SVM exhibits several features, such as a simple algorithm, good dynamic response, constant switching frequency, and particularly it provides sinusoidal line current when supply voltage is not ideal. Results have proven excellent performance and verify the validity of the proposed system.

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Industrial Electronics, IEEE Transactions on  (Volume:51 ,  Issue: 2 )