Improving the Efficacy of the Nigerian Electric Power Transmission Network Using Static Synchronous Compensator (STATCOM)

Aneke N.E, Ngang, N.B


This paper deals with the voltage profile enhancement on the Nigerian 330kV transmission power network using static synchronous compensator (STATCOM). Due to increase in power demand, modern power system networks are being operated under highly stressed conditions. This has resulted to difficulty in meeting reactive power requirement especially under planned or sudden changes in voltages, and hence maintaining the bus voltage within acceptable limits has been a major challenge in the power system network, hence the need for this paper which led to the introduction of Static Synchronous Series Compensator into the Nigeria National Grid (NNG) network for the improvement in electric power transmission. The 330kV 58 bus NNG was modeled in PSAT and implemented in Matlab/Simulink for the compensation of the identified voltage violated buses. Transmission network data obtained from Transmission Company of Nigerian (TCN) Osogbo and was used to model the test network. Result of simulations of the network models reveal that STATCOM reasonably improved the voltage stability of the violated buses in the Nigeria network. The insertion of the STATCOM gave 100% improvement in voltage stability relative to a network without any device.

Keywords: Voltage stability, STATCOM, HVDC, Voltage profile, FACT, MATLAB/SIMULINK, PSAT

DOI: 10.7176/JIEA/11-2-02

Publication date: April 30th 2021

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ISSN (Paper)2224-5782 ISSN (Online)2225-0506
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