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Research Article |

An Enhanced Loss Model–Based Online Flux Optimization Technique for Vector-Controlled Induction Motor Drives Including Leakage Inductance

Author(s): B Hima Deepthi1, P Srinivasa Varma1, M Kiran Kumar1, K V Govardhan Rao2*

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 14, Issue 1

Publisher : FOREX Publication

Published : 10 March 2026

e-ISSN : 2347-470X

Page(s) : 110-122

DOI: https://doi.org/10.37391/IJEER.140112

Abstract

A fresh and original approach is presented in this research as a means of controlling the amount of flux that is produced by an induction motor drive. Some of the algorithms that are used to decrease losses in induction motors include a loss-model based technique, which is one of several algorithms. Two advantages of this technique are its quick response and accurate conclusions. On the other hand, precise motor drive and loss modelling is necessary for the success of this strategy. During the process of developing the loss model, one of the ongoing challenges is to achieve accuracy while simultaneously controlling complexity. In the present work, an improved controlling approach is proposed for the purpose of determining the optimal flux level for a vector-controlled induction motor in order to achieve the highest possible efficiency of the drive. In a dq model of an Induction Motor (IM), the rotor magnetizing current serves as a reference point for the model. After this transformation eliminates any rotor-side leakage inductance, we are able to derive the motor loss model by making use of the dq components that are included in the steady-state motor model. The problem of leaking inductances is not ignored by the new method, despite the fact that it is a straightforward application.

Keywords: Induction Motor, Loss Minimization, Stator Flux, Rotor Flux, Loss Calculation, Torque Control.




B Hima Deepthi,P Srinivasa Varma,M Kiran Kumar, Department of Electrical and Electronics Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram, A.P, India;

K V Govardhan Rao,Department of Electrical and Electronics Engineering, St. Martin’s Engineering College, Secunderabad, Telangana, India;

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B Hima Deepthi, P Srinivasa Varma, M Kiran Kumar, K V Govardhan Rao(2026),An Enhanced Loss Model–Based Online Flux Optimization Technique for Vector-Controlled Induction Motor Drives Including Leakage Inductance. IJEER 14(1), 110-122. DOI: 10.37391/IJEER.140112.