Improvement of Total Transfer Capability of Nigerian South Eastern Transmission Network with Distributed Generation: A Comparative Study of Solar Energy and Wind Energy

Abstract

The problem of total power transfer capability at slack buses within transmission network poses a problem to the supply of quality power at distributing stations. The project has carried out a performance analysis for the improvement of total power transfer capability in the South Eastern (SE) transmission network. The study has devised means for the integration of Distributed Generation (DG) at various stations to acquire the required power transfer capability at the various stations. Etap software has been used for the design SE transmission network connecting the following station, Afam GS, Alaoji GS, Egbema GS, IkotAbassi TS, IkotEkpene GS, Okpai GS, Onitsha TS And Owerri TS. Furthermore in the study 6 scenarios were considered of which the wind and solar unit DG were integrated at the station bus to analyze the performance of the DG at the selected stations, power flow was considered in this scenarios so as to obtain the best total power flow capability for each integration. The result presented shows that the power flow has its best performances when the overall power flow was designed to flow simultaneously into the main grid from Transmission stations like Owerri and Onitsha, the results also shows that at this integration the power flow at each station is on the average.

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