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Particle swarm optimization to solving the economic dispatch considering the generator constraints

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1 Author(s)
Zwe-Lee Gaing ; Electr. Eng. Dept., Kao-Yuan Inst. of Technol., Kaohsiung, Taiwan

This paper proposes a particle swarm optimization (PSO) method for solving the economic dispatch (ED) problem in power systems. Many nonlinear characteristics of the generator, such as ramp rate limits, prohibited operating zone, and nonsmooth cost functions are considered using the proposed method in practical generator operation. The feasibility of the proposed method is demonstrated for three different systems, and it is compared with the GA method in terms of the solution quality and computation efficiency. The experimental results show that the proposed PSO method was indeed capable of obtaining higher quality solutions efficiently in ED problems.

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Power Systems, IEEE Transactions on  (Volume:18 ,  Issue: 3 )