Abstract

Numerical field calculation and mathematical vector-optimization methods are applied in order to find the most appropriate design of the rotor of synchronous machines with rare earth magnet excitation. The paper presents an optimization procedure consisting of the formulation of the users preference, the treatment of the nonlinear constraints and different optimization algorithms. To demonstrate the efficiency of the methods different magnet configurations in the rotor of the machine are compared, while considering different supply modes like inverter supply (voltage or current source) or mains supply.

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