Enhancing Three-Phase Induction Motor Performance with Soft Ramp Control

Asif Hussain ()
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Asif Hussain: Department of Electrical Engineering, The Islamia University of Bahawalpur (IUB), 63100-Bahawalpur-Pakistan

International Journal of Innovations in Science & Technology, 2024, vol. 6, issue 4, 2117-2123

Abstract: Three-phase induction motors experience high inrush currents during start-up, exceeding their rated capacity and potentially damaging stator windings. This paper explores the implementation of soft ramp control to address this challenge. Soft starters progressively increase the voltage applied to the motor, mitigating the current surge and associated electromagnetic torque. This reduces stress on the motor shaft, and connected equipment even though preventing disruptions in the power supply network. The proposed technique aims to start the motor at a lower speed and gradually climb to its maximum rated speed.This paper employeda gentle ramp control strategy usingTRIAC-based voltage regulation. This technique prevents abrupt surges that could harm the motor and related equipment. The study illustrates the soft start process for a three-phase induction motor using a prototype setup and a simulation model. The soft start technique dramatically lowers starting current, mechanical stress, and electromagnetic disturbances, improving motor health and performance, according to experimental data. This method is a cost-effective alternative for industrial applications sinceit not only increases motor longevity but also lowers the related power losses.

Keywords: Three-Phase Induction Motor; Soft Ramp Control; High Starting Current; Starters and Inrush Current (search for similar items in EconPapers)
Date: 2024
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