Solving the multiobjective environmental/economic dispatch problem with prohibited operating zones using NSGA-II

King, R. T. F. A. ; Rughooputh, H. C. S. ; Deb, K. (2011) Solving the multiobjective environmental/economic dispatch problem with prohibited operating zones using NSGA-II 2011 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PacRim) . pp. 298-303. ISSN 1555-5798

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Official URL: http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arn...

Related URL: http://dx.doi.org/10.1109/PACRIM.2011.6032909

Abstract

A thermal or hydro generating unit may have prohibited operating zones due to physical limitations of power plant components caused, for example, by vibrations in a shaft bearing which are amplified in a certain operating region. In this case, the unit can only operate above or below the prohibited operating zone. The effect of prohibited operating zones on the multiobjective environmental/economic dispatch problem is investigated in this paper. The IEEE 30-bus system with transmission losses has been considered with prohibited operating zones and simulation performed using the elitist Nondominated Sorting Genetic Algorithm (NSGA-II) for two constraint handling methods, namely penalty parameterless and decoder-based approaches. Simulation results show that both methods can equally handle this particular scenario in the environmental/economic dispatch problem. Different number of prohibited operating zones was considered for the six generators in the system yielding discontinuous and non-convex non-dominated fronts.

Item Type:Article
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ID Code:81007
Deposited On:03 Feb 2012 11:56
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