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Voltage sensorless based virtual flux control of three level NPC back-to-back converter dfigunder grid fault
International journal of energetica
In this paper, a harmonic elimination of grid and stator currents of doubly fed induction generator (DFIG) in case of grid fault without line voltage sensors is proposed . This can be achieved by compensating power based on virtual flux voltage sensorless technique. Direct power control with space vector modulation (DPC-SVM) is used to control both grid-side (GSC)and rotor-side converters (RSC). To achieve the control objective, compensated active and reactive powers are calculated based ondoi:10.47238/ijeca.v4i2.107 fatcat:uwc72226irc3bauohfsj4rf7oe