Application of grey relation analysis to hydroelectric generation scheduling

An approach based on grey relation analysis is proposed for the scheduling of hydroelectric generations. The purpose of hydroelectric generation scheduling is to figure out the optimal amount of generated power for the hydro units in the system for the next N h in the future. In the proposed approac...

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Bibliographic Details
Published in:International journal of electrical power & energy systems 1999-06, Vol.21 (5), p.357-364
Main Author: Liang, Ruey-Hsun
Format: Article
Language:English
Subjects:
Applied sciences
Electric power plants
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Grey number
Grey relation
Hydroelectric generation scheduling
Hydroelectric power plants
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Summary:An approach based on grey relation analysis is proposed for the scheduling of hydroelectric generations. The purpose of hydroelectric generation scheduling is to figure out the optimal amount of generated power for the hydro units in the system for the next N h in the future. In the proposed approach, grey relation analysis is developed in order to reach preliminary generation schedules. Since some practical constraints may be violated in the preliminary schedule, a heuristic rule based search algorithm is developed to reach a feasible suboptimal schedule which satisfies all practical constraints. The effectiveness of the proposed approach is demonstrated by short-term hydro scheduling of Taiwan power system. It is concluded from the results that the proposed approach is very effective in reaching proper hydro generation schedules.
ISSN:0142-0615
1879-3517
DOI:10.1016/S0142-0615(98)00055-6