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New 5-Phase Concentrated Winding Machine with Bi-Harmonic Rotor for Automotive Application

Communication avec acte
Auteur
ASLAN, Bassel
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]
ccSEMAIL, Eric
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]

URI
http://hdl.handle.net/10985/9154
Date
2014

Résumé

For a power range from 10 to 30 kW, 5-phase machines are well adapted to low-voltage (48V) supply thanks to their reduced current per phase. For three-phase machines but with higher voltages (>120V), machines with a number of slots per pole and per phase spp equal to 0.5 (as the 12slots/8poles combination) are widely used in hybrid automotive applications when a wide speed range is required. The reason is that the value of spp=0.5 guarantees no sub-harmonics and thus induces low level of permanent magnet rotor losses. In this paper a 20slots/8poles/5phases machine is chosen. With a winding factor of only 0.588 for the first harmonic, this machine is only interesting if its high third harmonic winding factor (0.951) is used. Thus, a new bi-harmonic rotor structure is presented. Thanks to adequate control with flux-weakening and ratio r between first and third harmonic currents, the maximum torque versus speed characteristic is determined.

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Documents liés

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  • Signal-based Technique for Fault Detection and Isolation of Inverter Faults in Multi-phase Drives 
    Communication avec acte
    MEINGUET, Fabien; SANDULESCU, Paul; ASLAN, Bassel; LU, Li; ccSEMAIL, Eric; ccKESTELYN, Xavier; NGUYEN, Ngac Ky (IEEE - Institute of Electrical and Electronics Engineers, 2012)
    A method for fault detection and isolation is proposed and applied to inverter faults in multi-phase drives. An analysis of simulations in faulty conditions leads to the derivation of suitable fault indices. These are based ...
  • Procédé de fabrication d’une machine électrique tournante synchrone polyphasée, et machine correspondante 
    Brevet
    ASLAN, Bassel; ccSEMAIL, Eric; LEGRANGER, Jerome (2013)
    La présente invention concerne une machine électrique tournante synchrone polyphasée dont le rotor comprend des aimants permanents. Plus particulièrement l'invention concerne une machine électrique tournante pour des ...
  • Analytical Model of Magnet Eddy-Current Volume Losses in Multi-phase PM Machines with Concentrated Winding 
    Communication avec acte
    ASLAN, Bassel; ccSEMAIL, Eric; LEGRANGER, Jerome (IEEE, 2012)
    this paper studies magnet eddy-current losses in permanent magnet (PM) machines with concentrated winding. First of all, space harmonics of magnetomotive force (MMF) and their influence on magnet losses in electrical ...
  • HIGH SPEED FUNCTIONALITY OPTIMIZATION OF FIVE-PHASE PM MACHINE USING 3RD HARMONIC CURRENT 
    Article dans une revue avec comité de lecture
    GONG, Jinlin; ASLAN, Bassel; GILLON, Frédéric; ccSEMAIL, Eric (Emerald, 2014)
    Some surrogate-assisted optimization techniques are applied in order to improve the performances of a 5-phase Permanent Magnet (PM) machine in the context of a complex model requiring computation time. An optimal control ...
  • Computation of Optimal Current References for Flux-weakening of Multi-Phase Synchronous Machines 
    Communication avec acte
    LU, Li; ASLAN, Bassel; KOBYLANSKI, Luc; SANDULESCU, Paul; MEINGUET, Fabien; ccSEMAIL, Eric; ccKESTELYN, Xavier (IEEE - Institute of Electrical and Electronics Engineers, 2012)
    Multi-phase synchronous machines are more and more used in specific applications where high power density, low bus voltage, wide speed range and fault-tolerant capabilities are required. Due to the high number of degrees ...

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