Design of 0.5 hp induction motor rotor bars with 0.35 mm and 0.50 mm thickness of steel sheets for rotor fabrication

Abstract

In this project, the 0.5 Hp three phase induction motor have been thoroughly investigated and analyzed in terms of the induction motor parameter, torque, efficiency, power factor, losses reduction, transfer mechanism and economic aspects. Throughout this project, the performance and the development of the three phase induction motor when it design and modelling by using 0.35 mm and 0.50 mm thickness of steel sheets was fabricated and compared it. First, the mathematical analysis of alternating current (AC) induction motor is done to calculate all the loss and equivalent circuit parameters for 0.5 Hp 3 phase induction motor. This is to show the efficiency and the amount of energy that is consumed in an induction motor. Second, the research involves designing and simulating the 0.5 Hp 3 phase induction motor using MotorSolve IM software, AutoCAD software, Opera 2D software and MATLAB software. From the simulation, analysis such as power loss, magnetic flux density, eddy current density, torque vs. speed, power loss vs. speed, efficiency vs. speed, and power factor vs. speed is done. A comparative study is done between the uses of 0.35 mm and 0.50 mm thickness of material in the rotor of induction motor. Third, the rotor part of an induction motor for different thicknesses are fabricated and investigated in terms of its efficiency increment, power factor improvement, flux distribution and loss reduction capabilities.