Voltage profile improvement using switched capacitors: case of single wire earth return distribution network

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Date
2017Author
Nirere, M.S
Muriithi, Christopher M.
Wekesa, C.
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Most rural areas in Africa are characterized by scattered villages with a very low demand in electricity. Due to improper planning and lack of knowledge on low cost technologies, the cost of extending the grid to supply these area is very high relative to the returns. Rural electrification by means of extending the main grid and distributing power using a single wire with earth return (SWER) has shown to be the least expensive rural electrification method in remote area where loads are light and scattered. This paper presents a developed model of Single wire earth return distribution network and a voltage profile of the network using backward and forward sweep method load flow algorithm. And finally presents the analysis of the effect of shunt capacitors on the voltage profile of the network using Maximum power saving method for the sizing and placement of the capacitor