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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

Energy Efficiency Optimization Of Three Phase Induction Motor Drives For Industrial Applications

( Volume 5 Issue 8,August 2018 ) OPEN ACCESS
Author(s):

Omorogiuwa Eseosa, Ayor Christian

Abstract:

Worldwide applications of electric motors for industrial purposes show that, about 60 percent of electrical power generated is consumed by electric motors. This has led to increase in production cost and environmental pollution as more energy demand implies more operating cost. This work aims to appreciably reduce this huge amount of energy demand by electric motors via the use of energy efficient optimization options. This work is concerned with three phase induction motor drive control technique. Although there are diverse control strategies, however search control method using V/f controller having torque versus frequency voltage matrix injected into the drive input is adopted. This method relies on the fact that, at specified values of speed and torque, (called operating point), there exist unique value of stator voltage needed to satisfactorily operate the motor at optimum efficiency level. The proposed controller functions by manipulating the stator voltage that will maximize motor efficiency at a determined operating point. This is done by using a more energy efficient controller drive system with reduced power loses. Simulation results carried out show an improved efficiency and reduced power losses, when compared to systems without this type of controllers.

DOI DOI :

https://dx.doi.org/10.31873/IJEAS.5.8.20

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