初级级联直线感应电机的无速度传感器矢量控制

马家庆; 周大进; 赵立峰; 张勇; 赵勇

doi:10.3969/j.issn.0258-2724.2015.03.005

初级级联直线感应电机的无速度传感器矢量控制

doi: 10.3969/j.issn.0258-2724.2015.03.005

马家庆^1,2,
周大进^1,2,
赵立峰^1,2,
张勇^1,2,
赵勇^1,2,3, ,

基金项目:

国家磁约束核聚变能研究专项资助项目(2011GB112001,2013GB110001)

国际合作项目(2013DFA51050)

国家自然科学基金资助项目(51271155,51377138)

四川省科技计划资助项目(2011JY0031,2011JY0130)

详细信息

作者简介:
马家庆(1981-),男,博士研究生,研究方向为真空管道中磁悬浮系统的驱动与控制, E-mail: 357287962@qq.com

通讯作者:
赵勇(1960-),男,教授,博士生导师,研究方向为超导材料、超导磁浮技术及应用等, E-mail: yzhao@home.swjtu.edu.cn

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出版历程
- 收稿日期: 2013-10-20
- 刊出日期: 2015-06-25

Speed-Sensorless Vector Control of Primary Cascaded Linear Induction Motor

MA Jiaqing^1,2,
ZHOU Dajin^1,2,
ZHAO Lifeng^1,2,
ZHANG Yong^1,2,
ZHAO Yong^{1,2,3
, ,}

摘要

摘要: 为了研究磁浮系统中的恒速驱动及适时速度调节性能,根据Maxwell方程及电机的矢量控制原理,以磁浮系统中的直线感应电动机为研究对象,在其推力与初级绕组中电流矢量关系的基础上,设计了无速度传感器矢量控制器,并利用Matlab/Simulink软件验证控制器的正确性.研究结果表明:当速度在小范围内受扰动时,控制器运用电流内环、电压外环控制方式自动调节整流器的直流母线电压,调节时间小于10 ms;当控制器接收到指令速度时,改变逆变器的频率,该频率改变电机同步速,达到调速的目的,调节时间小于50 ms,表明在工频小于3个周期时,满足磁浮系统的控制要求.
- 直线感应电动机 /
- 连续推力 /
- 电压外环 /
- 指令速度
Abstract: For investigating the performance of constant and adaptive speed regulation of cascaded linear induction motor (LIM) in maglev system, a new speed-sensorless vector controller was designed based on the Maxwell equations by analyzing the relationship between the thrust of the LIM and the current vector of the primary winding. The reasonability and the effectiveness of this controller were verified by numerical simulation using Matlab/Simulink. The results show that when facing small perturbation of the speed, the controller can automatically adjust the DC bus voltage of the rectifier through the inner current loop and the outer voltage loop to stabilize the speed within 10 ms. When receiving the reference speed value, the frequency of the AC side of the inverter is regulated to obtain a suitable value of the synchronous speed; the regulating time is less than 50 ms and within 3 cycles of power frequency, meeting the requirements of control performance in maglev system.
- LIM(linear induction motor) /
- continuous thrust /
- outer voltage loop /
- reference speed

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