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An Experimental Fault Analysis and Speed Control of an Induction Motor using Motor Solver

  • Sengamalai, Usha (Department of Electrical and Electronics Engineering, SRM University) ;
  • Chinnamuthu, Subramani (Department of Electrical and Electronics Engineering, SRM University)
  • Received : 2016.07.22
  • Accepted : 2016.11.07
  • Published : 2017.03.01

Abstract

This paper deals with the performance analysis of three phase induction motor considering its stator side faults and operating thermal limits. The speed control of induction motor using three phase boost converter operated by a MOSFET switch and a PI controller is demonstrated and presented in this article. IGBTs switches are used for inverter drive mechanism. The experimental result of speed control of induction motor using voltage control technique clearly shows better accuracy than conventional methods of speed control. A three phase 1HP 415V 0.78 kW 4 Pole induction motor is designed using motor solver software. Based on the parameters used in the software thermal analysis of induction motor is done and torque variation with conductor area, efficiency, output curve, losses in different parts of motor has been obtained. Also different types of faults namely under voltage, over voltage, stator imbalanced voltage, turn to turn, locked rotor bar, wrong alignment of rotor bar with respect to stator are studied and fault analysis is performed. Hence comparison is made based upon the results obtained before and after faults.

Keywords

Induction motor;PI controller;Motor solver;Fault analysis;Speed control;Thermal analysis

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