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浙江大学学报(工学版)
浙江大学学报(工学版)
电气工程     
直线感应电机过无次级感应板区检测
刘可安, 田红旗, 刘勇
1.中南大学 交通运输工程学院,湖南 长沙,410075
2.南车株洲电力机车研究所,湖南 株洲 412001
Detection of passing area of no secondary reaction plate for linear induction motor
LIU Ke an, TIAN Hong qi, LIU Yong
1. School of Traffic and Transportation Engineering, Central South University, Changsha 410075, China
2. CSR Zhuzhou Institute of Electric Locomotive, Zhuzhou 412001, China
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摘要：

为解决大功率直线感应电机工程应用中过无次级感应板区域存在的电机电流和推力冲击的问题,详细分析电机非确定电磁感应状态下的电磁特性,得到电机主电感随主、次级耦合程度的变化关系.基于计及动态边端效应的直线电机状态空间方程,提出基于全阶观测器的互感在线辨识算法,依此判定是否运行于非确定电磁感应状态.通过实时调整电机d-q轴指令电流的给定和电机模型高精度计算,实现直线电机非确定电磁感应状态的有效检测和平滑过渡.依托广州地铁5号线实际应用项目进行所提直线电机初、次级非确定电磁感应状态下检测和控制算法的实验验证.实验结果表明：该控制策略能有效实现直线电机牵引车辆无次级感应板区域的平滑过渡,不产生电机电流和推力冲击.
Abstract:

The electromagnetic characteristics of the motor under uncertain electromagnetic induction state were analyzed in order to resolve the problem that there were shocks of the motor current and output thrust for the linear induction motor when passing the area of no secondary reaction plate. Then the change relation of the main inductance with the coupling degree of primary and secondary was obtained. A simulation was conducted and the variation of motor parameters in this process was studied. An adaptive identification algorithm based on full-order state observer for mutual inductance was proposed to judge whether the motor was in this uncertain area or not. The uncertain area was detected effectively and passed smoothly by adjusting the d-q current references in realtime and calculating the motor model precisely. Test on the Guangzhou Metro Line 5 proved the validity of the proposed detection and control algorithm in uncertain electromagnetic induction between primary and secondary condition. With this control strategy, the experimental results show that the linear induction motor can pass the area of no secondary reaction plate smoothly without any shocks of the motor current and thrust.
出版日期: 2016-12-08
:  TM 343  
基金资助:

湖南省战略新兴产业专项引导资金项目.
作者简介: 刘可安(1971—)，男，教授级高级工程师，博士，从事大功率轨道交通交流传动控制技术研究. ORCID：0000-0001-9982-2116. E-mail:110971836@qq.com
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引用本文:

刘可安, 田红旗, 刘勇. 直线感应电机过无次级感应板区检测[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.12.022.

LIU Ke an, TIAN Hong qi, LIU Yong. Detection of passing area of no secondary reaction plate for linear induction motor. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.12.022.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.12.022    或    http://www.zjujournals.com/eng/CN/Y2016/V50/I12/2409

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