Investigation of Nigerian 330 Kv Electrical Network with Distributed Generation Penetration – Part II: Optimization Analyses
International Journal of Energy and Power Engineering
Volume 1, Issue 1, December 2012, Pages: 20-30
Received: Dec. 31, 2012; Published: Dec. 30, 2012
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Authors
F. K. Ariyo, Department of Electronic and Electrical Engineering, Ile-Ife, Nigeria; Obafemi Awolowo University, Ile-Ife, Nigeria
O. J. Ojo, Department of Electrical and Computer Engineering, Cookeville, U.S.A. ; Tennessee Technological University, Cookeville, U.S.A.
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Abstract
The objective of this paper is to present the tools implemented in PowerFactory for the optimization of the proposed network. It involves the calculate optimal power flow analysis (OPF); optimal placement, type and size of capacitors in the network; the optimal type of reinforcement cables and overhead lines and lastly, optimization of a certain objective function in a network, whilst fulfilling equality constraints (the load flow equations) and inequality constraints (that is, generator reactive power limits). The applications of the OPF include transmission line overload removal, transmission system control, available transfer capability calculation (ATC), real and reactive power pricing, transmission component valuation, and transmission system mar-ginal pricing. Power capacitors are very useful for power factor correction, loss reduction, voltage profile improvement and dis-tribution system-capacity release/increase. The conductor, which is determined by this optimization method, maintains acceptable voltage levels of the radial distribution system. Besides, it gives maximum saving in the capital cost of conducting material and cost of energy losses. The method also shows that only proper selection of optimum branch conductors reduces losses.
Keywords
Optimization, Optimal Placement, Reinforcement Cables, Overhead Lines, Load Flow, Inequality Constraints, Po-werfactory, Digsilent
To cite this article
F. K. Ariyo, O. J. Ojo, Investigation of Nigerian 330 Kv Electrical Network with Distributed Generation Penetration – Part II: Optimization Analyses, International Journal of Energy and Power Engineering. Vol. 1, No. 1, 2012, pp. 20-30. doi: 10.11648/j.ijepe.20120101.12
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