A general model for energy hub economic dispatch

Soheil Derafshi Beigvand, Hamdi Abdi and Massimo La Scala

Applied Energy, 2017, vol. 190, issue C, 1090-1111

Abstract: This paper proposes a new optimization algorithm, namely Self-Adoptive Learning with Time Varying Acceleration Coefficient-Gravitational Search Algorithm (SAL-TVAC-GSA), to solve highly nonlinear, non-convex, non-smooth, non-differential, and high-dimension single- and multi-objective Energy Hub Economic Dispatch (EHED) problems. The presented algorithm is based on GSA considering three fundamental modifications to improve the quality solution and performance of original GSA. Moreover, a new optimization framework for economic dispatch is adapted to a system of energy hubs considering different hub structures, various energy carriers (electricity, gas, heat, cool, and compressed air), valve-point loading effect and prohibited zones of electric-only units, as well as the different equality and inequality constraints. To show the effectiveness of the suggested method, a high-complex energy hub system consisting of 39 hubs with 29 structures and 76 energy (electricity, gas, and heat) production units is proposed. Two individual objectives including energy cost and hub losses are minimized separately as two single-objective EHED problems. These objectives are simultaneously minimized in the multi-objective optimization. Results obtained by SAL-TVAC-GSA in terms of quality solution and computational performance are compared with Enhanced GSA (EGSA), GSA, Particle Swarm Optimization (PSO), and Genetic Algorithm (GA) to demonstrate the ability of the proposed algorithm in finding an operating point with lower objective function.

Keywords: Economic dispatch; Energy hub; Energy hub economic dispatch; Gravitational search algorithm; Self-adoptive learning with time varying acceleration coefficient-gravitational search algorithm; Optimization (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (36)

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DOI: 10.1016/j.apenergy.2016.12.126

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