Simultaneous Estimation of Speed and Rotor Resistance in the Sensorless Vector Control Systems with Induction Motors

被引：0
|
作者：
Stoicuta, Olimpiu [1 ]
Pana, Teodor [2 ]
Molnar, Robin [2 ]
Deaconu, Daniel [2 ]
机构：
[1] Univ Petrosani, Fac Mech & Elect Engn, Petrosani, Romania
[2] Tech Univ Cluj Napoca, Fac Elect Engn, Cluj Napoca, Romania
来源：
2017 INTERNATIONAL CONFERENCE ON ELECTROMECHANICAL AND POWER SYSTEMS (SIELMEN) | 2017年
关键词：
induction motors; observers; sensorless vector control systems; rotor resistance adaptation; parameter estimation;
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：
This paper presents a new method of simultaneous estimation of speed and rotor resistance of an induction motor, from a sensorless vector control system. The simultaneous estimation of the speed, rotor flux and of rotor resistance is done by using an adaptive estimator, called the COS observer. To ensure the persistent excitation condition, in the vector control system, over the rotor flux reference, we overlay a sine wave signal of low frequency and amplitude. The new method of simultaneous estimation of the speed, rotor flux and of the rotor resistance, is validated through simulation.
引用
收藏
页码：47 / 52
页数：6
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