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Deviations in the Performance of a Three-Phase Induction Motor under Different Unbalanced Phase Voltages with Same Unbalance Factor

C.Thanga Raj*, Pramod Agarwal**, S.P. Srivastava***

* Research Scholar, Department of Electrical Engineering, Indian Institute of Technology, Roorkee, India.

** Professor, Department of Electrical Engineering, Indian Institute of Technology, Roorkee, India.

*** Associate Professor, Department of Electrical Engineering, Indian Institute of Technology, Roorkee, India.

Periodicity:January - March'2008
DOI : https://doi.org/10.26634/jee.1.3.409

Abstract

This paper investigates the deviations in the effects of different unbalanced phase voltages with same unbalance factor (1%) on the performance of induction motor in terms of Total Harmonic Distortion (THD) and efficiency. Under all voltage conditions, the performance of a 5 HP three-phase squirrel-cage induction motor was measured through a real load test. According to the test results and analysis, particular unbalanced voltage offers slightly lower negative effects on the motor’s performance. The financial losses caused by unbalanced voltage of the same motor are determined. Theoretical results in terms of temperature rise, losses and torque ripple are also presented in wide range of unbalance voltages by using MATLAB SIMULINK for supporting practical studies.

Keywords

Economics, induction motors, power quality, unbalanced voltage.

How to Cite this Article?

C.Thanga Raj, Pramod Agarwal and S.P. Srivastava (2008). Deviations in the Performance of a Three-Phase Induction Motor under Different Unbalanced Phase Voltages with Same Unbalance Factor. i-manager’s Journal on Electrical Engineering, 1(3), Jan-Mar 2008, Print ISSN 0973-8835, E-ISSN 2230-7176, pp. 7-12. https://doi.org/10.26634/jee.1.3.409

References

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