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栅格次级双边直线感应电机特性

, PP. 103-110

Keywords: 双边直线感应电机,栅格次级,边端效应,等效电路,推力特性

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Abstract:

分析了长初级双边型直线感应电机(DSLIM)无铁心栅格次级中感应涡流稳态特性,推导出直线感应电机栅格次级电阻、漏感计算公式,提出一种考虑次级端部导条电阻和纵向边端效应的栅格次级DSLIM等效电路,利用场路联合方法简化了栅格次级DSLIM有限元分析模型。计算并测试对比了栅格次级和平板次级在同一初级下的堵转特性,验证了等效电路和场路联合两种计算方法的正确性。结果表明,栅格次级能消除直线感应电机的第二类横向边端效应、规范气隙横向磁场、提高电机力功比。

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