Design studies and effect of various rotor pole number of field excitation flux switching motor for hybrid electric vehicle applications

Husin, Zhafir Aizat; Sulaiman, Erwan; Kosaka, Takashi

doi:10.1109/peoco.2014.6814415

Cited by 13 publications

(7 citation statements)

References 18 publications

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“…1, the HEFSM consists of the stator with 24 coil slots and the rotor with 10 salient poles. In our prior studies [21]- [24], various slot-pole combinations have been examin ined. As a result, this combination is selected in this study from the viewpoint of lower cogging and pulsating torque and higher maximum torque capability.…”

Section: Configurations Of Hefsm and Basic Working Principle As Vfmmentioning

confidence: 99%

Hybrid excitation flux switching motor with permanent magnet placed at middle of field coil slots and high filling factor windings

Okada

Matsumori

Kosaka

et al. 2019

Trans. Electr. Mach. Syst.

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Design and experimental studies on a hybrid excitation flux switching motor as a traction motor for hybrid electric vehicles drive are presented. A stator body of the motor consists of not only laminated silicon-iron electromagnetic steel and three-phase armature windings, but also both of field excitation coils and permanent magnets working together as a variable field magnetomotive force source. On the other hand, a rotor is composed of just laminated silicon-iron electromagnetic steel with salient poles like switched reluctance motor. To bring out the best in drive performances of the hybrid excitation flux switching motor as a variable flux motor for the application, each material adopted for the stator and rotor body should be designed properly in terms of motor efficiency, maximum torque and power densities and so forth. As some of them, in this paper, thinner silicon-iron electromagnetic steel sheet and permanent magnets with high remanent and low amount of Dysprosium used are applied for achieving higher motor efficiency. Moreover, all coils wound flatwise and edgewise using rectangular wires are introduced to realizing high filling factor for reduced copper losses. Experimental tests using a 60kW prototype of the motor demonstrates the designed motor has good motor efficiency under frequent operating points expected for the target vehicle drive.

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Section: Configurations Of Hefsm and Basic Working Principle As Vfmmentioning

confidence: 99%

Hybrid excitation flux switching motor with permanent magnet placed at middle of field coil slots and high filling factor windings

Okada

Matsumori

Kosaka

et al. 2019

Trans. Electr. Mach. Syst.

Self Cite

View full text Add to dashboard Cite

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“…FSMs can be classified into wounded field FSMs (WFFSMs), permanent magnet FSMs (PMFSMs) and hybrid excitation FSMs (HEFSM), the latter ones combining both field excitation coils and PMs as main flux sources [92]. Different linear FSM topologies have been developed [93], some of them include hybrid excitation, that is, combine three-phase windings and PMs [94,95].…”

Section: Flux Switching Machines (Fsms)mentioning

confidence: 99%

Rare-earth-free propulsion motors for electric vehicles: A technology review

Riba

López-Torres

Romeral

et al. 2016

Renewable and Sustainable Energy Reviews

202

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Several factors including fossil fuels scarcity, prices volatility, greenhouse gas emissions or current pollution levels in metropolitan areas are forcing the development of greener transportation systems based on more efficient electric and hybrid vehicles. Most of the current hybrid electric vehicles use electric motors containing powerful rare-earth permanent magnets. However, both private companies and estates are aware of possible future shortages, price uncertainty and geographical concentration of some critical rare-earth elements needed to manufacture such magnets. Therefore, there is a growing interest in developing electric motors for vehicular propulsion systems without rare-earth permanent magnets. In this paper this problematic is addressed and the state-of-the-art of the electric motor technologies for vehicular propulsion systems is reviewed, where the features required, design considerations and restrictions are addressed.

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“…Based on previous topologies, a new design of HE-FSM is proposed with the arrangement of DC-FEC in radial direction to overcome flux cancellation. The comparison between theta direction and radial direction is depicts in Figure 3(a) and Figure 3(b), respectively [18]. Henceforth, design and performance analysis is carried out for several rotor pole numbers of HE-FSM with DC-FEC in radial polarity such as 12S-8P, 12S-10P, 12S-14P, and 12S-16P.…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of 12Slot with Various Rotor Pole Numbers HE-FSM for HEV Application

Rahimi¹,

Ahmad²,

Sulaiman³

et al. 2017

IJPEDS

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This paper presents performance analysis of 12Slot with various rotor pole numbers Hybrid Excitation Flux Switching Machine (HEFSM) for Hybrid Electric Vehicles (HEVs) application. HEFSM has carried out by combining the advantage of Permanent Magnet (PM) machines and DC Field Excitation Coil (FEC) synchronous machines. Previously, most of HEFSM structure having FEC windings in theta direction that create a problem of flux cancellation that will affect the performances of the machine. Thus, a design of 12Slot HEFSM with FEC wounded in radial direction is proposed to eliminate the flux cancellation effect. At first, armature coil arrangement test at no-load condition is conducted to analyze PM flux. Furthermore, induced voltage and cogging torque at open circuit condition are investigated based on 2D finite element analysis (FEA). Finally, torque and power performances are also examined at maximum FEC and armature current densities. The outcomes demonstrate that 12S-14P configuration has the highest PM flux linkage, torque, power and less distortion of back-emf waveform which are required to be used as a motor in HEVs. The highest torque and power achieved are 220.15Nm and 92.45kW, respectively.

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Design studies and effect of various rotor pole number of field excitation flux switching motor for hybrid electric vehicle applications

Cited by 13 publications

References 18 publications

Hybrid excitation flux switching motor with permanent magnet placed at middle of field coil slots and high filling factor windings

Hybrid excitation flux switching motor with permanent magnet placed at middle of field coil slots and high filling factor windings

Rare-earth-free propulsion motors for electric vehicles: A technology review

Performance Analysis of 12Slot with Various Rotor Pole Numbers HE-FSM for HEV Application

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