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Dynamic economic dispatch using Lbest-PSO with dynamically varying sub-swarms

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Abstract

Dynamic economic dispatch (DED) is one of the major planning problem in a power system. It is a non-linear optimization problem with various operational constraints, which includes the constraints of the generators operating characteristics and the system constraints. Its principal aim is to minimize the cost of power production of all the participating generators over a time horizon of 24 h, while satisfying the system constraints. This problem deals with non-convex characteristics if generation unit valve-point effects are taken into account. The paper intends to solve the DED problem with valve-point effects, using our modified form of Local-best variant of Particle Swarm Optimization (Lbest PSO) algorithm. We have tested our algorithm on 5-unit, 10-unit and 110-unit test system with non-smooth fuel cost functions to prove the effectiveness of the suggested method over different state of the art methods.

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Authors and Affiliations

  1. Department of Electronics and Telecommunication Engineering, Jadavpur University, Kolkata, India

    Arkabandhu Chowdhury & Hamim Zafar

  2. Department of Electrical Engineering, IIT Delhi, New Delhi, India

    B. K. Panigrahi & Ankita Mohapatra

  3. Multi-Disciplinary Research Cell, Siksha ‘O’ Anusandhan University, Bhubaneswar, India

    K. R. Krishnanand

  4. Complex System and Computational Intelligence Laboratory, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, People’s Republic of China

    Zhihua Cui

Authors
  1. Arkabandhu Chowdhury
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  2. Hamim Zafar
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  3. B. K. Panigrahi
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  4. K. R. Krishnanand
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  5. Ankita Mohapatra
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  6. Zhihua Cui
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Correspondence to B. K. Panigrahi.

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Chowdhury, A., Zafar, H., Panigrahi, B.K. et al. Dynamic economic dispatch using Lbest-PSO with dynamically varying sub-swarms. Memetic Comp. 6, 85–95 (2014). https://doi.org/10.1007/s12293-013-0127-1

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  • DOI: https://doi.org/10.1007/s12293-013-0127-1

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