Analysis on Fast Reclosing of Line Start Permanent Magnet Motor with Time-Stepping Finite Element Method

被引:0
|
作者
Luo Yingli [1 ]
Li Zhiqiang [1 ]
Liu Mingji [1 ]
Zhu Lifang [1 ]
机构
[1] N China Elect Power Univ, Sch Elect & Elect Engn, Beijing 102206, Peoples R China
关键词
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Reclosing on a rotating motor after a brief power-off can bring serious dangerous due to excessive current and torque transients, especially to permanent magnet motors of line start. To avoid such potential threats, time-stepping finite element method was used to study the transient processes under different reclosing conditions. Combined with the numerical and theoretical analysis, a practical criterion for favorable reclosing conditions is proposed, which is expected to prevent the permanent magnet motor from damages during reclosing.
引用
收藏
页码:3257 / 3261
页数:5
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