Vector Control of Induction Motors Considering  Magnetic Saturation: Parameter Estimation of Sensorless Drive System - Yehia Sayed Mohamed - Books - LAP LAMBERT Academic Publishing - 9783659159992 - June 16, 2012
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Vector Control of Induction Motors Considering Magnetic Saturation: Parameter Estimation of Sensorless Drive System

Yehia Sayed Mohamed

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Vector Control of Induction Motors Considering Magnetic Saturation: Parameter Estimation of Sensorless Drive System

In this study, a mathematical dynamic model of an induction motor as influenced by magnetic circuit saturation is developed. Moreover, a modified structure of indirect vector controller scheme is proposed which involves the saturated value of the magnetizing inductance. In order to overcome the disadvantages of the vector control drive system such as speed sensor and parameter sensitivity, two proposed control systems have been developed. In the first system, a simultaneous stator resistance and motor speed estimation based on a modified Model Reference Adaptive System (MRAS) has been used to obtain accurate estimation for motor speed taking the effect of magnetic flux saturation into account. Online magnetizing inductance estimation has been presented to consider the effect of saturation in the proposed system. In the second system, an effective online method for rotor resistance estimation based on a modified MRAS to achieve high-precise control in a wide range of motor speed taking the effect of magnetic circuit saturation into account.

Media Books     Paperback Book   (Book with soft cover and glued back)
Released June 16, 2012
ISBN13 9783659159992
Publishers LAP LAMBERT Academic Publishing
Pages 152
Dimensions 150 × 9 × 226 mm   ·   244 g
Language German