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This paper investigates an electrical induction motor drive system under open switch inverter fault. The finite element analysis (FEA) is used in order to specify the effects of the open switch fault on the induction motor. The winding of the induction motor was considered delta connected. The consequences of the unbalanced inverter supply on the developed phase and line currents as well as the electromagnetic...
In this paper an optimal disturbance-free control strategy suitable for open-phase fault operation of multi-phase current regulated motor drives, is presented and tested. The proposed strategy, which is based on the multiple space vector representation of multi-phase systems, minimizes the stator copper losses either in transient or steady-state operating conditions. The effectiveness of the proposed...
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