Torque Optimization of a Seven-Phase Bi-harmonic PMSM in Healthy and Degraded Mode - Archive ouverte HAL
Communication Dans Un Congrès Année : 2019

Torque Optimization of a Seven-Phase Bi-harmonic PMSM in Healthy and Degraded Mode

Résumé

Compared to sinusoidal machines, a bi-harmonic machine (with only two harmonics of similar value in the electromotive force spectrum) can develop torque of comparable values under three kinds of supply: with only first or both first and third sinusoidal currents. Therefore, more degrees of freedom for the control of the machine can be achieved. In this paper, the specificities of a 7-phase bi-harmonic permanent magnet synchronous machine (PMSM) are investigated under different control strategies, such as maximum torque per ampere (MTPA) at low speed and fluxweakening strategies at high speed, both in healthy and faulty operation modes. The fault with one open-circuited phase are taken into account. The current references are calculated in order to maximize the output torque under the constraint on both voltage and current. The performances of the considered machine is validated by numerical results.
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Dates et versions

hal-02273132 , version 1 (28-08-2019)

Identifiants

  • HAL Id : hal-02273132 , version 1

Citer

Hao Zhang, Benteng Zhao, Jinlin Gong, Yanliang Xu, Duc Tan Vu, et al.. Torque Optimization of a Seven-Phase Bi-harmonic PMSM in Healthy and Degraded Mode. the 22nd International Conference on Electrical Machines and Systems (ICEMS2019), Aug 2019, Harbin, China. ⟨hal-02273132⟩
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