BEST WEIGHT PATTERN EVALUATION BASED SECURITY CONSTRAINED POWER DISPATCH ALGORITHM

This paper presents a methodology which determines the allocation of power demand among the committed generating units while minimizes number of objectives as well as meets physical and technological system constraints. The procedure considers two decoupled problems based upon the dependency of their goals on either active power or reactive power generation. Both the problems have been solved sequentially to achieve optimal allocation of active and reactive power generation while minimizes operating cost, gaseous pollutants emission objectives and active power transmission loss with consideration of system operating constraints along with generators prohibited operating zones and transmission line flow limits. The active and reactive power line flows are obtained with the help of generalized generation shift distribution factors (GGDF) and generalized Z-bus distribution factors (GZBDF), respectively. First problem is solved in multi-objective framework in which the best weights assigned to objectives are determined while employing weighting method and in second problem,active power loss of the system is minimized subject to system constraints. The validity of the proposed method is demonstrated on 30-bus IEEE power system.

作 者： Lakhwinder SINGH J.S.DHILLON   作者單位： Lakhwinder SINGH(Baba Banda Singh Bahadur Engineering College, Fatehgarh Sahib- 140407, Punjab, India)

J.S.DHILLON(Sant Longowal Institute of Engineering & Technology, Longowal-148 106, Punjab, India) 

刊 名： 系統科學與系統工程學報（英文版）  英文刊名： JOURNAL OF SYSTEMS SCIENCE AND SYSTEMS ENGINEERING  年，卷(期)： 2007 16(3)  分類號： N94  關鍵詞： Multi-objective optimization   best weight pattern evaluation   fuzzy decision making   membership function   generalized generation shift distribution factors   generalised Z-bus distribution factors  

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