Enhancing the Efficiency of Nigeria’s Electric Power Transmission System with Static Synchronous Compensator

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• July 6, 2024
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Ngang Bassey Ngang¹ & Martin Ogharandukun^2
1Department of Electrical and Electronic Veritas University, Abuja, Nigeria
²Department of Pure and Applied Physics, Veritas University, Abuja, Nigeria

Abstract This paper addresses the enhancement of the voltage profile in Nigeria’s 330kV transmission power network using a Static Synchronous Compensator (STATCOM). The increasing power demand has led modern power systems to operate under highly stressed conditions, making it challenging to meet reactive power requirements, especially during planned or sudden voltage changes. Maintaining bus voltage within acceptable limits has thus become a significant challenge. This study introduces the Static Synchronous Series Compensator into the Nigeria National Grid (NNG) to improve electric power transmission. The 330kV, 58-bus NNG was modeled using PSAT and implemented in MATLAB/Simulink to compensate for the identified voltage violations. Transmission network data obtained from the Transmission Company of Nigeria (TCN) in Osogbo was used to model the test network. Simulation results reveal that STATCOM significantly improved the voltage stability of the violated buses in the Nigerian network, providing a 100% improvement in voltage stability compared to a network without any compensatory device. Keywords Voltage Stability; Nigeria’s Electricity Power Transmission; STATCOM; Transmission Company of Nigeria; Voltage Profile; MATLAB/SIMULINK; Nigeria National Grid Citation Ngang, N. B. & Ogharandukun, M. (2024). Enhancing the Efficiency of Nigeria’s Electric Power Transmission System with Static Synchronous Compensator. American Journal of Applied Sciences and Engineering, 5(2) 17-27.  https://doi.org/10.5281/zenodo.12670819