Minimizing power losses in high voltage distribution system
Date
2021
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Abstract
The demand for electricity in Ghana keeps increasing as the population grows, which
has led to concerns about power losses as well as rising energy cost. The popular convention
is to increase the power production to take care the loss [1]. The project is based on the
reduction in High Voltage Distribution System (HVDS) in the Upper West Region of Ghana.
A distribution system takes carries electricity from the transmission system to the end user.
The voltage in the buses reduces when moved away from the substation and this is because of
insufficient reactive power which can be provided by capacitor shun and series compensation
[2]. This project is aimed at identifying the optimal sizes and locations of a shunt capacitors
to be replaced in a radial distribution system considering the overall economic savings due to
power minimization and capacitor cost. The is achieved in two stages, the first step is
carrying out a load flow of a pre-compensated distribution system. Loss Sensitivity Factor
(LSF) is carried out based on the load flow solution to identify the potential locations for
compensation. The LSF is used to identify the candidate buses. The second stage is using the
Genetic Algorithm (GA) to identify the sizes of the capacitors for reducing the energy loss
cost and the capacitor cost.
Description
Capstone Project submitted to the Department of Engineering, Ashesi University in partial fulfillment of the requirements for the award of Bachelor of Science degree in Electrical and Electronic Engineering, May 2021
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