Under flux weakening operation, the phase emf of a PM synchronous motor can be extremely high; this paper investigates the effects on currents, voltages and torque of different drive failures occurring under flux weakening operation, as a starting point for a successful design of an effective system protection and a fault-tolerant control.
Analysis of PM synchronous motor drive failures during flux weakening operation
BIANCHI, NICOLA;BOLOGNANI, SILVERIO;ZIGLIOTTO, MAURO
1996
Abstract
Under flux weakening operation, the phase emf of a PM synchronous motor can be extremely high; this paper investigates the effects on currents, voltages and torque of different drive failures occurring under flux weakening operation, as a starting point for a successful design of an effective system protection and a fault-tolerant control.
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