Cost implication of Line Voltage variation on Three Phase Induction Motor operation
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TLDR
There is an increase in operational cost due to increased energy loss in the windings as a result of voltage variations from the balanced state, with balanced over voltage operation showing more cost severity among the voltage variations considered.Abstract:
Globally, there is a drive toward ensuring energy efficiency in all aspect of production operations and power supply systems. Industries are the backbone of our modern word, and a significant percentage of industrial operations are motor driven. Three Phase Induction Motor is massively deployed in industries due to its ruggedness, reasonable cost and ease of maintenance. The energy efficiency of the induction motor is affected by the internal configurations of the motor and the nature of the supply. Power supply fluctuations result in power quality issues and its attendant negative effects on equipment operation. This research, studies the cost and performance implication of the effects of balanced over voltage, balanced voltage, balanced under voltage and unbalance voltage on the operation of the three phase induction motor using the peculiarities of Nigeria. The result shows that, there is an increase in operational cost due to increased energy loss in the windings as a result of voltage variations from the balanced state, with balanced over voltage operation showing more cost severity among the voltage variations considered.read more
Citations
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References
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Definitions of voltage unbalance
Pragasen Pillay,M.J. Manyage +1 more
TL;DR: In this article, three different definitions of voltage unbalance have been developed by NEMA, IEEE, and the power community, respectively, in order to understand the implications of their use.
Journal ArticleDOI
Derating of induction motors operating with a combination of unbalanced voltages and over or undervoltages
TL;DR: In this paper, the proper application of induction machines when supplied by unbalanced voltages in the presence of over-and undervoltages is examined, and differences in the definition of voltage unbalance are also examined.
Proceedings ArticleDOI
Phase Frame Analysis of the Effects of Voltage Unbalance on Induction Machines
W.H. Kersting,W.H. Phillips +1 more
TL;DR: In this article, the authors developed a method of analyzing the motor in the phase frame and applied it to a typical motor to demonstrate the results of operating a motor with unbalanced voltages and the reason why a motor must be derated under these conditions.
Journal ArticleDOI
Operation of 3-Phase Induction Motors on Unbalanced Voltages [includes discussion]
Proceedings ArticleDOI
Effects of voltage unbalance on induction motors
TL;DR: In this article, the effects of different voltage magnitude unbalances with the same voltage unbalance factor (VUF) on the stator loss and rotor copper loss and total copper loss of three classes of three-phase induction motor are investigated.
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