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Scirj, Volume IX [2021]
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Scirj Volume IX, Issue I, January 2021 Edition
ISSN: 2201-2796

Power System Analysis Toolbox (PSAT) Circuit Design of Nigeria 330Kv 10 Generators 28 Bus Power Network for Transient Stability Simulation

Isdore Onyema Akwukwaegbu, Chisom Patrick Mbachu, Nsan-Awaji Peterson Ene-Nte

Abstract: Nigeria 330kV 28-bus network is continuously subjected to the greatest stress that can possibly emanate from a complete shutdown of a power plant or even a blackout of a whole area or excessive over currents or voltages which, depending upon their severity can cause extensive damage. The main causes of momentary excessive voltages and currents in power system due to transients include lightning, switching, short circuits and resonance conditions. Transient stability analysis is carried out on Nigeria 330kV 28-bus power network, consisting of 28 nodes, 10 generators, 18 load (PQ) buses, 16 transformers, 12,426MW grid capacity and 5,988km grid transmission lines to access the steady state voltage stability using MATLAB/ SIMULINK power system analysis toolbox (PSAT) program. The generator connected at bus no. 5 (Sapele PS) is shut down and the transient stability effect and impact on the 28-bus power network are analyzed. The starting time of the outage is 0.0001 second and transient phenomenon lasts in the 28-bus power network for a period of time ranging from 0.6 to 0.9 seconds. The transient stability analysis performed for 10 generators, 28-bus power network for various 3-phase fault locations and 3-phase fault clearing time showed that the network is stable in 0.80 seconds, critically stable in 0.815 seconds and unstable in 0.9 seconds.

Reference this Paper: Power System Analysis Toolbox (PSAT) Circuit Design of Nigeria 330Kv 10 Generators 28 Bus Power Network for Transient Stability Simulation by Isdore Onyema Akwukwaegbu, Chisom Patrick Mbachu, Nsan-Awaji Peterson Ene-Nte published at: "Scientific Research Journal (Scirj), Volume IX, Issue I, January 2021 Edition, Page 30-38 ".

Search Terms: Nigeria 330kV 28-bus Power Network, Transient stability analysis, MATLAB/ SIMULINK Power System Toolbox (PSAT)

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