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Evaluation of Best Weight Pattern for Multiple Criteria Load Dispatch

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The multiple criteria load dispatch (MCLD) problem is a multiple noncommensurable objective problem that minimizes both cost and emission together subject to physical and technological constraints. In this article, a solution methodology is proposed for the determination of best objective weights to solve multiobjective thermal power dispatch problem. The weights are calculated by conventional statistical measures, which characterize the correlation coefficients matrix evolution. Two fundamental concepts of multiple criteria decision method are undertaken, which are the contrast intensity of the alternative's performance in each single objective and the conflicting nature of the objectives with each other. The extraction and exploitation of these two features is beneficial in the decision making. The proposed method needs few noninferior solutions and, hence, gives computational efficiency. The validity of the proposed method is demonstrated on IEEE 11-bus, 17-lines system, comprising three generators.
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Keywords: best weight pattern; decision making; economic load dispatch; noninferior solutions

Document Type: Research Article

Affiliations: 1: Department of Electrical and Electronics Engineering, Baba Banda Singh Bahadur Engineering College, Fatehgarh Sahib, Punjab, India 2: Department of Electrical and Instrumentation Engineering, Sant Longowal Institute of Engineering and Technology, Longowal, Punjab, India 3: Sant Longowal Institute of Engineering and Technology, Longowal, Punjab, India

Publication date: 01 January 2006

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