摘要
文中提出了一种基于SVPWM的变频空调变频调速系统的方法,首先介绍了永磁同步电机的数学模型,空间矢量脉宽调制(SVPWM)的基本原理及实现方法,并在MATLAB环境下应用Simulink及Sim Power Systems工具箱建立了永磁同步电机控制系统的速度和电流双闭环仿真模型,进行了实验仿真,仿真结果表明:永磁同步电机矢量控制系统具有较好的动态响应特性和速度控制特性,使PMSM达到与直流电机近似的控制效果。该方法为分析和设计变频空调的变频调速系统提供了新的手段和工具,相比传统的变频空调,效率更高,性能更好。同时也为实现变频空调的数字化变频调速提供了新的思路。
This paper proposes a method based on SVPWM variable frequency speed regulation system of frequency conversion air conditioning First,the mathematical model of the permanent magnet synchronous motor（PMSM）,the principle and realization of space vector pulse width modulation （SVPWM）.Modeling and simulation of the is conducted under MATLAB condition,which establishes the inner current-loop and the outer speed-loop by using Simulink＆SimPower Systems The simulation results indicate that PMSM vector control system has good characteristics of dynamic response speed control,Which controls the DC motor can reached all-digital fuzzy approximation effect The method for the analysis and design of variable frequency speed regulation of frequency conversion air condition system provides a new means and tools, compared with the traditional frequency conversion air conditioning,higher efficiency and better performance At the same time also for the realization of digital frequency conversion speed regulation of frequency conversion air conditioning provides a new train of thought
出处
《电子设计工程》
2015年第2期5-8,共4页
Electronic Design Engineering
基金
粤港关键领域重点突破项目(2010Z5104)
