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Control and Measuring Method for Three Phase Induction Motor with Improved Efficiency


Bharat Sheladia , NA


Bearing Fault, Broken Rotor Bar, Construction Crawling, Induction Motor, Mass Unbalance Single Phasing Stator Fault


Nowadays, three-phase induction motors are widely used on industrial and other types of processes. Therefore, accurate knowledge of an induction motor performance is very essential to have an idea of its operation conditions. This study is a sequel of a previous one, where Direct and Soft starting methods of three-phase motors has been simulated and compared. As in the previous study, the theory behind this one is based on representing the real motor by a set of equations and values in MATLAB, forming a corresponding idealistic motor in a way where all the physical effects are similar. The motor is started under three different frequencies in the VVVF method using supporting simulation of the current, torque, speed, efficiency and power factor curves. The results of the three starting methods are then discussed and compared. Then a review of induction motor fault has been presented. Faults like rotor broken bar, mass unbalance, stator faults, single phasing, crawling, bearing faults, etc. are discussed along with causes and effects.

Other Details

Paper ID: IJSRDV6I50004
Published in: Volume : 6, Issue : 5
Publication Date: 01/08/2018
Page(s): 21-24

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