A torque control scheme that utilizes the stator flux components as control variables, applied to a speed-sensorless induction motor drive, is presented. The proposed scheme allows the motor to exploit the maximum torque capability in the whole speed range, and shows a reduced dependence from the motor parameters. It is based on a control algorithm that decreases the d-component of the stator flux as soon as the voltage corresponding to the maximum torque exceeds the available voltage. The control scheme produces a smooth transition into and out of the field weakening region and preserves the torque dynamic. The feasibility of the field weakening technique is confirmed by computer simulations and experimental tests.

M. Mengoni, L. Zarri, A. Tani, C. Rossi, G. Serra, D. Casadei (2007). Stator Flux vector Control of Induction Motor Drives in the Field-Weakening Region. s.l : s.n [10.1109/APEX.2007.357516].

Stator Flux vector Control of Induction Motor Drives in the Field-Weakening Region

MENGONI, MICHELE;ZARRI, LUCA;TANI, ANGELO;ROSSI, CLAUDIO;SERRA, GIOVANNI;CASADEI, DOMENICO
2007

Abstract

A torque control scheme that utilizes the stator flux components as control variables, applied to a speed-sensorless induction motor drive, is presented. The proposed scheme allows the motor to exploit the maximum torque capability in the whole speed range, and shows a reduced dependence from the motor parameters. It is based on a control algorithm that decreases the d-component of the stator flux as soon as the voltage corresponding to the maximum torque exceeds the available voltage. The control scheme produces a smooth transition into and out of the field weakening region and preserves the torque dynamic. The feasibility of the field weakening technique is confirmed by computer simulations and experimental tests.
2007
Proceeding of Applied Power Electronics Conference APEC 2007
207
213
M. Mengoni, L. Zarri, A. Tani, C. Rossi, G. Serra, D. Casadei (2007). Stator Flux vector Control of Induction Motor Drives in the Field-Weakening Region. s.l : s.n [10.1109/APEX.2007.357516].
M. Mengoni; L. Zarri; A. Tani; C. Rossi; G. Serra; D. Casadei
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/48136
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