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Design study of single phaseinner-rotor hybrid excitation flux switching motor for hybrid electric vehicles

Mazlan, Mohamed Mubin Aizat and Husin , Zhafir Aizat and Syed Othman , Syed Muhammad Naufal and Sulaiman, Erwan (2014) Design study of single phaseinner-rotor hybrid excitation flux switching motor for hybrid electric vehicles. In: The 2nd Power and Energy Conversion Symposium (PECS 2014) , 12 May 2014, Universiti Teknikal Malaysia,Melaka .

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Abstract

In hybrid excitation machines (HEMs), there are two main flux sources which are permanent magnet (PM) and field excitation coil (FEC). These HEMs have better features when compared with interior permanent magnet synchronous machines (IPMSM) used in conventional hybrid electric vehicles (HEVs). Since all flux sources including PM, FEC and armature coils are located on stator core, the rotor becomes a single piece structure similar with switch reluctance machine (SRM). The combined flux generated by PM and FEC established more excitation fluxes that are required to produce much higher torque of the motor. In addition, variable DC FEC can control the flux capabilities of the motor, thus the machine can be applied for high-speed motor drive system.In this paper, the initial design of single-phase 8S-4P inner-rotor HEFSM is presented. Initiallycoil arrangement tests are examined to confirm the machine operating principle and position of each armature coil phase. Finally, flux comparison of PM, DC FEC and PM with DC FEC, flux linkage at various FEC current densities, JE, flux distribution and flux line of PM with FEC, cogging torque, induced voltage/ back EMF of PM, DC FEC and PM with DC FEC, combination of FEC and armature coil flux characteristic and torque and power versus FEC current density, JE at various armature coil current densities, JA are also analyzed. As a result, the performance of the initial design motor shows that the maximum torque achieved is 81.6% of the target performance, whereas the maximum power achieved 47.4 kW, 15.6% is greater than the target value. Thus, by further design refinement and optimization it is expected that the motor will successfully achieve the target performances.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK1001-1841 Production of electric energy or power. Powerplants. Central stations
Divisions: Faculty of Electrical and Electronic Engineering > Department of Electrical Power Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 02 Jun 2014 08:08
Last Modified: 21 Jan 2015 06:59
URI: http://eprints.uthm.edu.my/id/eprint/5564
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