Title :
Robust speed identification for speed sensorless vector control of current-fed double-star induction machine
Author :
Mimouni, Mohamed Faouzi
Author_Institution :
Ecole Nat. D´Igenieurs de Monastir
Abstract :
This paper describes a method to estimate the speed of a double-star induction motor (DSIM) from measured terminal voltages and currents. The synthesis procedure of the estimator is based on the model reference adaptive system theory (MRAS). Hence, the proposed approach is based on observing the instantaneous reactive power of the motor. The estimated rotor speed is then used as feedback in an indirect field-oriented control system (FOC) employing an adaptive rotor resistance estimator. The validity of the method is verified by simulating a 20 kW DSIM
Keywords :
asynchronous machines; model reference adaptive control systems; robust control; velocity control; 20 kW; adaptive rotor resistance estimator; current-fed double-star induction machine; indirect field-oriented control system; instantaneous reactive power; model reference adaptive system theory; robust speed identification; speed sensorless vector control; terminal currents; terminal voltages; Adaptive systems; Control system synthesis; Current measurement; Induction motors; Machine vector control; Power system modeling; Robust control; Rotors; Velocity measurement; Voltage;
Conference_Titel :
Electronics, Circuits and Systems, 2000. ICECS 2000. The 7th IEEE International Conference on
Conference_Location :
Jounieh
Print_ISBN :
0-7803-6542-9
DOI :
10.1109/ICECS.2000.913000
