基于直线感应电机负载的移动式无接触供电特性分析

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摘要采用移动式无接触方式为感应电机驱动等运动类设备的供电具有灵活,安全,环境友好等优点,文章提出了一种为直线感应电机驱动系统(LIMD)供电的移动式感应耦合供电(MICPT)系统,研究了LIMD作为MICPT系统负载的简化模型,以及MICPT在原边绕组恒流控制下不同互感和电机不同工况下的输出电压特性,提出将LIMD等效为一个可变电阻作为MICPT系统的负载进行供电特性分析的方法.基于MICPT供电的直线感应电机驱动系统实验装置实现了感应电机驱动实验车辆装置在移动式无接触供电下的往复运行控制,分析,仿真和实验验证了提出的供电方案及等效模型的正确性.

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关键词 ：直线感应电机, 恒流控制, 谐振频率, 移动式无接触供电, 感应耦合

Abstract：As the power supply of movable load such as linear induction motor (LIM), movable inductively coupled power transfer (MICPT) system is flexible, security, and environment friendly. A power supply scheme with MICPT for linear induction motor drive (LIMD) system is proposed. The equivalent characteristic of LIMD as the load of MICPT is analyzed. The output voltage characteristic of MICPT is studied when the current of the primary winding is kept constant, including the affection of contactless transformer mutual inductance and motor different operation modes. A variable resistance adopted to equivalent circuit of the LIMD as the load of MICPT is proposed. An experiment setup with LIMD system powered by MICPT is built. The LIM can move steadily along the rail with movable contactless power supply. Analyses, simulation and experimental verify the correctness and feasibility of the proposed scheme and equivalent model.

Key words： Linear induction motor constant current control resonant frequency movable contactless power transfer inductive coupled

收稿日期: 2014-08-10 出版日期: 2015-09-14

PACS:

TM46

作者简介: 蔡华男,1987年生,博士研究生,研究方向为无线电能传输和电力电子变换技术.史黎明男,1964年生,研究员,博士生导师,研究方向为特种电机和驱动控制,新型轨道交通牵引供电,电能无线传输技术.

引用本文:

蔡华,史黎明,张发聪,姜龙斌,李耀华. 基于直线感应电机负载的移动式无接触供电特性分析[J]. 电工技术学报, 2015, 30(12): 505-511. Cai Hua,Shi Liming,Zhang Facong,Jiang Longbin. Characteristics Analysis of Movable Inductively Coupled Power Transfer with Linear Induction Motor Drive. Transactions of China Electrotechnical Society, 2015, 30(12): 505-511.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2015/V30/I12/505

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