Study of Constraint Handling methods in Economic Load Dispatch Problem

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Study of Constraint Handling methods in Economic Load Dispatch Problem

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[1]Wu Qing,Zhang Chunjiang,Gao Liang.Study of Constraint Handling methods in Economic Load Dispatch Problem[J].Journal of Zhengzhou University (Engineering Science),2019,40(03):36-41.[doi:10.13705/j.issn.1671-6833.2018.06.003]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 40 Number of periods: 2019 03 Page number: 36-41 Column: Public date: 2019-04-30

Title:: Study of Constraint Handling methods in Economic Load Dispatch Problem

Author(s):: Wu Qing 1; Zhang Chunjiang 2; Gao Liang 3; 1. School of Engineering, Huazhong Agricultural University; 2. School of Electrical and Electronic Engineering, Nanyang Technological University; 3. School of Mechanical Science and Engineering, Huazhong University of Science and Technology

Keywords:: economic load distribution; Constraint handling method; Differential evolution algorithm

CLC:: -

DOI:: 10.13705/j.issn.1671-6833.2018.06.003

Abstract:: Economic load dispatch is an important problem in power system. Some constraints exist in this problem. In literatures, penalty function methods were usually used. However, it is difficult to set proper penalty coefficients. Feasibility rules and constraint method are two popular constraint handling techniques. However, they are not efficient for economic load dispatch problem. A constraint handling method which transforms the load balance constraint to two boundary constraints is proposed in this paper. Combined with feasibility rules and constraint method, a basic differential evolution is used to solve this problem. Two classic instances are tested. The results show the proposed algorithm obtains better solutions than other compared algorithms in literatures.

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Last Update: 2019-04-16