Abstract
This paper proposes Group Competition (GC) algorithm for solving optimal reactive power problem. Group Competition (GC) algorithm stimulated from the contest of sport teams in a sport group. A number of individuals as sport teams contend in a simulated group for numerous weeks. Based on the group schedule in every week, teams play in pairs and their game result is determined in terms of win or loss, given known the playing strength along with the teams’ planned formations. Modeling an artificial match analysis, each team devises a new playing strategy for the subsequent week competition and this procedure is repetitive for number of seasons. In order to evaluate the validity of the proposed Group Competition (GC) algorithm, it has been tested on Standard IEEE 57,118 bus systems and simulation results reveal about the good performance of the proposed algorithm in reducing real power loss and voltage profiles are within the limits.
Highlights
Optimal reactive power dispatch problem is one of the difficult optimization problems in power systems
Due to the parameters of the cuckoo search algorithm has been kept constant & it decreases the efficiency of the algorithm
In order to evaluate the performance of the proposed algorithm, it has been tested in Standard IEEE 57,118 bus systems and compared to other standard reported algorithms
Summary
Optimal reactive power dispatch problem is one of the difficult optimization problems in power systems. The optimal reactive power problem involves best utilization of the existing generator bus voltage magnitudes, transformer tap setting and the output of reactive power sources so as to minimize the real power loss and to keep the voltage profiles within the limits. Various mathematical techniques have been adopted to solve this optimal reactive power dispatch problem. These include the gradient method [1 -2], Newton method [3] and linear programming [4,5,6,7].The gradient and Newton methods suffer from the. This paper presents an Enriched Cuckoo Search (ECS) algorithm for solving optimal reactive power problem. Simulation results show’s that Enriched Cuckoo Search (ECS) algorithm successfully reduces the real power loss and voltage profiles are within the limits
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