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基于减小永磁同步电机齿槽转矩的磁极参数优化 被引量:4

Magnetic Pole Parameters Optimization Based on Reducing Cogging Torque of Permanent Magnet Synchronous Motor
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摘要 针对永磁电机存在齿槽转矩影响运行性能的问题,通过分析电机齿槽转矩解析表达式的磁极参数,利用有限元软件建立3相4极24槽表贴式永磁同步电机仿真模型,分析永磁体剩磁感应强度、极弧系数以及永磁体厚度的变化对电机齿槽转矩的影响规律,最佳的磁极参数可有效削弱表贴式永磁同步电机齿槽转矩,改善电机运行性能。 The existence of the cogging torque affect the performance of the permanent magnet motor. By an- alyzing the magnetic pole parameters of motor cogging torque expressions, a simulation model of surface- mounted permanent magnet synchronous motor with 3 phases 4 poles 24 slots was established by using finite element software, the influence of permanent magnet remanence intensity, pole arc coefficient and permanent magnet thickness changes on cogging torque were analyzed. The optimal magnetic pole parameters can effec- tively weaken the cogging torque of surface-mounted permanent magnet synchronous motor, improve the mo- tor operating performance.
出处 《微电机》 2016年第8期8-11,共4页 Micromotors
基金 山东省自然科学基金资助项目(ZR2014EL024 ZR2014JL035)
关键词 齿槽转矩 剩磁感应强度 极弧系数 永磁体厚度 cogging torque remanence intensity pole arc coefficient permanent magnet thickness
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