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Automatic generation control performance of the Nigerian power system after deregulation

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2 Author(s)
Katende, J. ; Dept. of Electr. Eng., Bayero Univ., Kano, Nigeria ; Okafor, F.N.

The current restructuring program which seeks to split the national electric power authority (NEPA) -the sole electricity supply company in Nigeria-into one transmission company, often reffered to as a Transco, and several generation and distribution companies (Gencos & Discos), is a welcome development. This paper investigates some of the technical problems associated with automatic generation control (AGC) of the Nigerian power system after deregulation. Simulation studies are presented utilizing concepts of the traditional two area power system model, but incorporating factors which represent bilateral contracts between the Gencos and the Discos, in a state space formulation. A further decomposition of the model results in a 15th order vector-matrix performance equation which is solved under some assumptions to track the relevant parameters. It is then easy to visualize the physical constraints on system operation and thus, appreciate the conclusions of the authors.

Published in:

AFRICON, 2004. 7th AFRICON Conference in Africa  (Volume:2 )

Date of Conference:

15-17 Sept. 2004