Overview on the Impact of Renewable Energy on the National Grid: Case Study of Solar Energy on Distribution Network
Abstract
Renewable electric energies are most times generated at consumer's load site. They improve voltage profile and power quality when adequately integrated with national grid.This paper analysed integrated Solar Renewable Energy with 15MVA, 33/11KV Injection Substation in Nigeria. The grid network was modelled in DIgSILENT Power Factory 2016. Newton-Raphson power flow algorithm embedded in ETAP7.0 software was used in load flow analysis of the network. The load flow analysis showed reduction of KW and KVAR losses of 51.70% and 46.13% respectively with marginal voltage difference of ± 6%. The results showed that integrating renewable power system into the grid system reduces loses, improves power capacity and voltage profile; and will therefore provide reliable, stable and efficient power supper.
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