Efficiency analysis of an induction motor with direct torque and flux control at a hot rolling mill
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Energy Research Centre, University of Cape Town
Abstract
This paper presents an efficiency analysis of an
induction motor with direct torque and flux control
at a hot rolling mill in South Africa. Two scenarios
were evaluated: 1) where the induction motor was
controlled at a constant speed with a variable thickness
slab; and 2) where the speed of the induction
motor was controlled according to the thickness of
the slab. Both scenarios used the speed as reference
to control the torque and flux of the induction
motor. A comparison on the energy consumption of
the induction motor for both scenarios was done by
means of a detailed simulation model. The simulation
model for this specific case study is explained in
detail. The results obtained showed an increase in
the efficiency of the induction motor from the original
system (scenario 1) to the improved system (scenario
2). Part of this paper provides an overview on
hot rolling mills
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Citation
Gouws, R. 2015. Efficiency analysis of an induction motor with direct torque and flux control at a hot rolling mill. Journal of energy in Southern Africa, 26(3):111-115. [https://doi.org/10.17159/2413-3051/2016/v26i3a2150]