A low torque ripple control scheme of asynchronous traction motor with continuous stator-flux linkage locus
Tien Van Pham1,Trillion Q. Zheng1,Yang Zhongping1,Fei Lin1,Song Wensheng2,Dung Viet Do3
1. School of Electrical Engineering Beijing Jiaotong University Beijing 100044 China; 2. School of Electrical Engineering Southwest Jiaotong University Chengdu 610031 China; 3. Department of Mechanical Engineering University of Transport and Communications Hanoi Vietnam
Abstract：A direct torque control(DTC) of asynchronous traction motor with the optimal stator flux-linkage locus is proposed to apply in medium and high speed ranges. In order to reduce torque ripple, the stator flux-linkage track of the proposed DTC can be switched continually from roundness to polygon to hexagon with the increase of rotor speed; hence, it can obtain smoothly stator flux, high utilization switching frequency and good harmonic elimination ability. The proposed DTC method can be realized by adding stator flux-linkage regulation in traditional DTC control structure, whose advantages are its simplification, and retention of traditional DTC’s features such as fast dynamic response, simple control structure, and low dependence on motor parameters. Theory analysis and experimental results both demonstrate the effectiveness and feasibility of the proposed DTC method with continuous flux-linkage locus.
作者简介: Pham Van Tien-范文进 男,1981年生,博士生,研究方向为轨道交通电力牵引传动技术.郑琼林,男,1964年生,教授,博士生导师,研究方向为轨道交通牵引供电与交流传动,高性能低损耗电力电子系统,光伏发电并网与控制,电力有源滤波与电能质量.
引用本文:
范文进-PhamVanTien,郑琼林,杨中平,林飞,宋文胜. 基于连续型定子磁链轨迹的异步牵引电机低转矩脉动控制算法[J]. 电工技术学报, 2015, 30(12): 228-236.
Tien Van Pham,Trillion Q. Zheng,Yang Zhongping,Fei Lin,Song Wensheng,Dung Viet Do. A low torque ripple control scheme of asynchronous traction motor with continuous stator-flux linkage locus. Transactions of China Electrotechnical Society, 2015, 30(12): 228-236.
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2015, Vol. 30 
