同步电动机矢量控制系统中新电压模型的研究  

The Novel Voltage Model of Synchronous Motor Vector Control System

作　　者：朱希荣[1] 周晓峰[2] 

机构地区：[1]淮海工学院电子工程学院,连云港222005 [2]上海宝钢集团公司,上海201900

出　　处：《大电机技术》2009年第3期26-30,共5页Large Electric Machine and Hydraulic Turbine

摘　　要：同步电动机矢量控制系统中的传统电压模型存在积分漂移和初始值不确定等难题,一些改进的电压模型不仅使系统变得比较复杂,还会带来一些不利因素。本文介绍了一种采用闭环双积分结构、具有锁相环功能的磁链观测方案,把它引进作为同步电动机气隙磁链的观测模型——新电压模型。新电压模型不仅解决了传统电压模型存在的两大难题,还具有结构简单、易于实现等特点,并具有同步电动机的初始定位功能。对此,仿真结果给出了验证。Tradtional voltage model of synchronous motor vector control system exists pure integral drift and so the initial value uncertainty. Some of the improved voltage model not only become more complicated, but also bring some negative factors. This paper introduces a flux observation scheme with a double integrator closed-loop, which is a Phase-Locked-Loop（PLL） essentially. It is introduced as a synchronous motor flux-gas chain observation model the novel voltage model, which not only can suppress the two problems of traditional voltage model, but also is simple in structure, easy to implement. Besides, it can be used for initial orientation for a synchronous motor. The simulation results are verified.

关 键 词：同步电动机 气隙磁链观测 新电压模型 初始定位 仿真 

分 类 号：TM341[电气工程—电机]