Torque Performance Analysis of Three-Phase Flux Reversal Machines
Torque Performance Analysis of Three-Phase Flux Reversal Machines
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DOI：
10.1109/tia.2017.2677356
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发表时间：
2017-03
影响因子：
4.4
通讯作者：
Yuting Gao;R. Qu;Dawei Li;Jian Li
中科院分区：
文献类型：
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作者：
Yuting Gao;R. Qu;Dawei Li;Jian Li
磁链反转电机（FRM）具有转矩密度高、结构鲁棒、瞬态响应快等优点，近年来受到广泛关注。本文重点分析了三相FRM的平均转矩、齿槽转矩和涟漪转矩等转矩特性。首先，分析推导了空载和额定负载条件下瞬时转矩的一般表达式。然后，基于解析方程，研究分析了转子槽数、分流比、永磁体厚度、定转子槽开口率对转矩性能的影响，为优化结构参数以获得最大转矩密度和最小脉动转矩提供了依据。最后，在12定子槽/17转子槽FRM样机上进行了实验验证。模拟结果与实验结果吻合较好。
Flux reversal machines (FRMs) have received extensive attentions in recent years due to their high torque densities, robust structures, fast transient responses, etc. This paper focuses on the analysis of the torque performances including average torque, cogging torque, and ripple torque of three-phase FRMs. First, the general expressions of instantaneous torque under no-load and rated-load conditions are analytically derived. Then, based on the analytical equations, the effects of rotor slot number, split ratio, permanent magnet thickness, and stator and rotor slot opening ratio on the torque performances are investigated and analyzed, which can be used for optimizing the structural parameters for maximum torque density and minimum pulsating torque. Finally, the theoretical analyses are validated by experiments on a 12-stator-slot/17-rotor-slot FRM prototype. Good agreements have been achieved between the simulated and experimental results.