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<p>This paper presents a novel five-phase wound field flux switching machine (WFFSM) with a non-overlapped winding and a simplified five AC slots stator structure with one coil per phase. The novel structure enhances torque density and efficiency by minimizing leakage flux and optimizing magnetic circuit utilization. The structure ensures effective flux contribution to torque generation compared to traditional machines and is hence more compact and suitable for high-torque applications. Several machine configurations with different numbers of rotor poles (5S-7P, 5S-6P, 5S-4P, and 5S-3P) are investigated, optimized, and compared in electromagnetic performance. Optimization using the genetic algorithm (GA) in conjunction with the kriging method and Latin hypercube sampling (LHS) results in significant performance improvement. Experimental validation through a prototype ultimately confirms the proposed structure, with simulation and measured results indicating good consistency with each other.</p>

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Design Optimization and Experimental Validation of Five Phase Non-Overlapped Wound Field Flux Switching Machines

  • 期刊论文

  • 发表日期：

    2025年6月20日

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  • Muhammad Yousuf,
  • Faisal Khan,
  • Ahmed Tameemi,
  • Noman Ullah,
  • Imdad Khan

摘要

This paper presents a novel five-phase wound field flux switching machine (WFFSM) with a non-overlapped winding and a simplified five AC slots stator structure with one coil per phase. The novel structure enhances torque density and efficiency by minimizing leakage flux and optimizing magnetic circuit utilization. The structure ensures effective flux contribution to torque generation compared to traditional machines and is hence more compact and suitable for high-torque applications. Several machine configurations with different numbers of rotor poles (5S-7P, 5S-6P, 5S-4P, and 5S-3P) are investigated, optimized, and compared in electromagnetic performance. Optimization using the genetic algorithm (GA) in conjunction with the kriging method and Latin hypercube sampling (LHS) results in significant performance improvement. Experimental validation through a prototype ultimately confirms the proposed structure, with simulation and measured results indicating good consistency with each other.