Fault Tolerant Multiphase Electrical Drives: The Impact of Design
Article dans une revue avec comité de lecture
Author
LOCMENT, Fabrice 
SEMAIL, Eric KESTELYN, XavierAbstract
This paper deals with fault tolerant multiphase electrical drives. The quality of the torque of a vector-controlled Permanent Magnet (PM) Synchronous Machine supplied by a multi-leg Voltage Source Inverter (VSI) is examined in normal operation and when one or two phases are open-circuited. It is then deduced that a seven-phase machine is a good compromise allowing high torque-to-volume density and easy control with smooth torque in fault operation. Experimental results confirm the predicted characteristics.
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