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Abstract
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The aim of this paper is to evaluate some
major criteria for selection and contribution of LV feeder
in loss reduction projects. In other word in this paper the
relevancy of the measuring of the above parameter to
detect the critical feeder for loss reduction project is
evaluated. The results of analysis and evaluation of
relation between LV feeder’s lengths, load torque and
voltage drop with it loss is considered. All LV feeders in
Bonab city of East Azarbaijan in Iran is used as study
case as a large real LV network. In this case the data of
539 LV feeders are converted and modeled in
DIgSILENT software in details and the correlation
between parameters is calculated. The results show that
there is not strong dependency between LV feeder’s
length and feeder load torque with feeder loss, in contrary
a strong relation is found between LV feeder’s voltage
drop and it loss. Based on the results the most reliable
and robust criteria to find the critical feeder for loss
reduction is its voltage drop.
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