Rotor Flux Estimation Using Voltage Model of Induction Motor

被引:0
作者
Brandstetter, Pavel [1 ]
Kuchar, Martin [1 ]
机构
[1] VSB Tech Univ Ostrava, Dept Elect, Ostrava, Czech Republic
来源
PROCEEDINGS OF THE 2015 16TH INTERNATIONAL SCIENTIFIC CONFERENCE ON ELECTRIC POWER ENGINEERING (EPE) | 2015年
关键词
AC drive; induction motor; current model; voltage model; model reference adaptive system; vector control;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The paper deals with mathematical models of an induction motor which are used for control algorithms of AC drives with induction motors. The first part of the paper describes a current model of the induction motor which is used in the model reference adaptive system as a reference model for a stator resistance estimator. The next part deals with a voltage model, which uses for the determination of the individual rotor flux vector components integration without feedback, whose basic disadvantage is time dependent offset of output quantity. In the paper, there is described a solution of the integrator with the offset elimination. The voltage model of the induction motor works with the voltage drop on the stator resistance which is depending on temperature changes. Therefore there is described the stator resistance estimator which uses the model reference adaptive system. The correct activity of the described rotor flux estimator and stator resistance estimator is confirmed by simulations in Matlab-Simulink.
引用
收藏
页码:246 / 250
页数:5
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