考虑铁损时感应电机的一种新型节能控制

系统仿真学报 ›› 2016, Vol. 28 ›› Issue (2): 455-461.

考虑铁损时感应电机的一种新型节能控制

王步来¹, 魏彪², 张帆², 黄真真², 张允飞²

1.上海应用技术学院,上海 201400;
2.上海海事大学,上海 201306

收稿日期:2014-10-21 修回日期:2015-03-10 出版日期:2016-02-08 发布日期:2020-08-17
第一作者简介:王步来(1966-),男,江苏淮安,博士,教授,研究方向为电机及其系统;魏彪(1988-),男,安徽滁州,硕士生,研究方向为电力电子与电力传动;张帆（1990-）,男,山西太原,硕士生,研究方向为电机及控制。

New Energy-saving Control of Induction Motor Considering Core Loss

Wang Bulai¹, Wei Biao², Zhang Fan², Huang Zhenzhen², Zhang Yunfei²

1. Shanghai Institute of Technology, Shanghai 201400, China;
2. Shanghai Maritime University, Shanghai 201306, China

Received:2014-10-21 Revised:2015-03-10 Online:2016-02-08 Published:2020-08-17

摘要/Abstract

摘要： 为进一步提高感应电动机的运行效率,提出了一种新型节能控制方法。该方法基于转差角频率控制,考虑磁链变化的影响,建立一种最佳磁链和最佳转差角频率协调控制策略。建立考虑铁损时感应电动机的数学模型,通过拉格朗日乘数法,求得当系统效率最高时所对应的最佳磁链和最佳转差角频率的表达式,利用MATLAB仿真平台,搭建节能控制系统的仿真模型并作仿真研究。结果表明,这种控制策略不仅能改善节能效果,而且可以提高感应电动机的动态特性,这种控制策略是正确和可行的。

关键词: 节能控制, 感应电动机, 最佳磁链, 最佳转差角频率, MATLAB仿真

Abstract: In order to further improve the running efficiency of induction motor, a new energy-saving control method was proposed. Considering the influence of varied flux, a control strategy coordinating the optimal flux with the optimal slip angular frequency based on the slip angular frequency control was built. The mathematical model of induction motor considering core loss was established. The expression of the optimal flux and slip angular frequency was obtained according to the Lagrange multiplier method when system was the highest efficiency. By using MATLAB simulation platform, a simulation model of the energy saving control system was built doing a research. The results show that this control strategy can not only improve the energy-saving effect, but also improve the dynamic performance of induction motor. So the control method is correct and feasible.

Key words: energy-saving control, induction motor, optimal flux, optimal slip angular frequency, MATLAB simulation

中图分类号:

TP391.9

王步来,魏彪,张帆等 . 考虑铁损时感应电机的一种新型节能控制[J]. 系统仿真学报, 2016, 28(2): 455-461.

Wang Bulai,Wei Biao,Zhang Fan,et al . New Energy-saving Control of Induction Motor Considering Core Loss[J]. Journal of System Simulation, 2016, 28(2): 455-461.

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