Research on Economical Power Supply Radius and Transformer Capacity for Substations in Distribution Network
Abstract
In order to improve the capacity factor of transformer and reduce the investment of substation, optimization is applied to reasonable transformer combination matched with economical power supply radius. In this paper, based on the principle of minimizing overall annual expenditure charged upon unit area in the power supply district, the optimization model was built. The satisfactory result in optimum option radius was obtained. Through the backward substitution method, suitable transformer combination was worked out. The method and calculation proposed in this paper provide effective references to the power grid planning.
Keywords
Economical power supply radius, Transformer, Average load density, The best substation capacity
DOI
10.12783/dteees/peem2016/5018
10.12783/dteees/peem2016/5018
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