大功率高压同步电动机断电失步建模与仿真  

Model Establishing and Simulating of Power-off Step-out for High-power and High-voltage Synchronous Motor

作　　者：段大鹏[1] 孙玉坤[1] 

机构地区：[1]江苏大学电气工程学院,江苏镇江212013

出　　处：《煤矿机电》2004年第4期26-29,共4页Colliery Mechanical & Electrical Technology

摘　　要：　对高压同步电动机的断电失步及断电失步后电源重新恢复时非同期冲击的过渡过程进行了详细的分析,建立了非同期冲击时刻电动机的Park电压状态方程与机械运动方程,进而得出其较为准确的数学模型。并基于MATLAB对这种严重故障状态进行了仿真研究,利用四阶变步长龙格-库塔法得到了七阶变系数非线性微分方程组的数值解,给出了各电气与机械分量的波形。In this paper, the asynchronous impulsion transitional process of power-off step-out and power restoring after power-off step-out for high-voltage synchronous motor is analyzed in detail, and the PARK voltage state equations and mechanical movement equations of asynchronous impulsion process are established, then the comparably exact mathematic model is gained. In the same time, based on MATLAB and four-variational-step Runge-Kutta method is adopted for the simulated study of the serious fault state, thus the numeric solution of seven-step variation coefficient non-linear differential equations is concluded and the waveform of each electric and mechanical component is given. 

关 键 词：高压同步电动机 断电失步 非同期冲击 过渡过程 仿真 

分 类 号：TM341[电气工程—电机] TP391.9[自动化与计算机技术—计算机应用技术]