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This paper deals with the sensorless rotor field oriented control (SRFOC) of a doubly fed induction machine (DFIM). Two voltage inverters are used to supply the stator and rotor sides. The several variations of the load torque are tested to validate the robust working of this drive. The satisfactory static and dynamic performances of this sensorless DFIM speed drive are obtained in all operating points...
This paper presents an original strategy of fault tolerant operating in case of doubly fed induction machine (DFIM). The considered fault is short-circuit of inverters leg (T1 and T2). The proposed strategy permits the reconfiguration management of both inverter topology and DFIM field oriented control. Consequently, the drive continuous operation is guaranteed in the presence of the damaged inverter...
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