Abstract
This paper presents design of high performance permanent magnet-assisted synchronous reluctance generators (PMa-SynRG) for 3kW tactical quiet generator set. Adding the proper quantity of permanent magnets into the synchronous reluctance generator rotor core can offer large constant power-speed range, high efficiency and high power factor. Different stator winding configurations such as distributed windings and concentrated windings are compared using lumped parameter model (LPM). For this comparison, the distributed winding machine is optimized by differential evolution strategy (DES) and the rotor structure of the concentrated winding machine is optimized based on the same stator. Finally, output performances are compared using finite element analysis. The design is optimized for achieving the minimum magnet volume, minimum cogging torque, maximum efficiency, and maximum power factor.
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