Implementation of IFOC Algorithm for a Three-Phase Induction Motor Embedded on DSP Microcontroller

Implementation of IFOC Algorithm for a Three-Phase Induction Motor Embedded on DSP Microcontroller

Denis Carlini Alexandre, Alexandre Simiao Caporali and Cesar da Costa

IFSP Institute Federal of São Paulo, São Paulo, Brasil.

American Journal of Scientific Research and Essays

Asynchronous machines are well known to have natural limitations because of the highly nonlinearity and complexity of their motor models. To resolve these problems, an indirect field-oriented control (IFOC) algorithm is applied to control the instantaneous electrical quantities such as torque and flux component. Medium-voltage drives are generally based on either voltage-source inverter (VSI) or current-source inverter (CSI). This paper presents a high-performance CSI-fed IFOC method. By the decoupled control of the machine flux and torque, the performance of the conventional direct field-oriented control (DFOC) CSI-fed induction motor drives has improved; however, this scheme presents a low dynamic response and machine parameter dependence. A squirrel-cage induction motor drive system that provides the proposed IFOC algorithm is tested. The IFOC algorithm has a good dynamic performance and stability. Graphs with measured and estimated values of torque and speed are presented. The results demonstrate the efficiency of the proposed torque control embedded on a digital signal processor (DSP) microcontroller.

Keywords:  IFOC algorithm, Embedded system, Three-phase induction motor, Torque control

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How to cite this article:
Denis Carlini Alexandre, Alexandre Simiao Caporali and Cesar da Costa. Implementation of IFOC Algorithm for a Three-Phase Induction Motor Embedded on DSP Microcontroller. American Journal of Scientific Research and Essays, 2018 x:xx. DOI:10.28933/xxxxx (Under Proofreading)

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