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Design improvement and performance analysis of a 6 slot 7 poles outer rotor HEFSM for direct drive electric vehicles

Mohd Khalid, Maizahtulakma (2014) Design improvement and performance analysis of a 6 slot 7 poles outer rotor HEFSM for direct drive electric vehicles. Masters thesis, Universiti Tun Hussein Onn Malaysia.

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Abstract

With growing concerns over our environment, more and more automakers, governments and customers think that the electric vehicles are the possible alternative mode of transportation. Since electric motors play an important role in Electric Vehicles (EVs), Hybrid Electric Vehicles (HEVs), and Fuel Cell Electric Vehicles (FCEVs), there is a pressing need for researchers to develop advanced electric vehicles to help reduce carbon emission. As one of the candidates, permanent magnet flux switching machine with additional field excitation has several attractive features compared to permanent magnet synchronous machines (PMSM) conventionally employed in EV. The variable flux control capability and robust rotor structure make this machine becoming more attractive to apply for high speed and torque motor drive system coupled directly to the wheel. This study deals with an investigation into design improvement of a 6Slot-7Poles HEFSM with less rare-earth magnet for in wheel traction drives of EVs application. The performance of the improved design motor has produced higher torque with 61% improvement compared to initial design motor, whereas the maximum power has achieved 129 kW which is greater than the target value.

Item Type: Thesis (Masters)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2000-2891 Dynamoelectric machinery and auxiliaries
Depositing User: Normajihan Abd. Rahman
Date Deposited: 01 Jun 2015 01:35
Last Modified: 01 Jun 2015 01:35
URI: http://eprints.uthm.edu.my/id/eprint/6647
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