Mathematical Model Research of Six-Phase PMSM

Abstract:

The six-phase permanent magnet synchronous motor (PMSM) is designed with two sets of Y-connected windings phase shifted by 30 electrical degrees. Two mathematic models of six-phase PMSM are established by different methods, which are based on dual d-q transformation and decoupling vector space respectively. By the dual d-q transformation, the electromagnetic torque is calculated based on the two sets of Y-connected windings separately. By the decoupling vector transformation, extra vector subspace is established, in which the current components have no effect on the electromagnetic torque. According to the different models, two vector control systems for six-phase PMSM are presented. The relationship and equivalence of the two control methods are indicated through comparison analysis and open-loop simulation. And the closed-loop simulation and experiment results show that the two methods have consistent control performance

• Periodical: Advanced Materials Research (Volumes 614-615)
• Pages: 1266-1271
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.614-615.1266
• Online since: December 2012
• Authors: Jian Yong Su, Jin Bo Yang, Gui Jie Yang
• Keywords: Mathematical Modeling, PMSM, Six-Phase, Vector Control (VC)

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