A multi-objective multi-verse optimization algorithm for dynamic load dispatch problems

doi:10.1016/j.knosys.2021.107411

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A multi-objective multi-verse optimization algorithm for dynamic load dispatch problems

2021-11-01

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Srinivasa Acharya *

Dinesh Kumar

S. Subramanian

DOI：10.1016/j.knosys.2021.107411

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Abstract

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In power system operation, optimal economic dispatch is imposed by the costs of increasing power generation, the increasing demand for electrical energy and the scarcity of energy resources. By satisfying all constraints, the most important thing is the economical load distribution in order to enable the generators used in the system to generate optimal power. The non-smooth cost function and emission with nonlinear constraints are the practical economic load dispatch issues that create a challenge that is effectively reduced. This paper presents a multi-objective multi-verse optimization scheme to minimize the dynamic economic load dispatch issue using valve-point effects. Along with all other necessary constraints, this algorithm preserves the ramp of unit required rate constraint. However, it maintains these limitations via the transaction duration to the next time horizon to eliminate the power system operation's discontinuity, not only for its time horizon. The objective of this method is by satisfying various operational constraints and the power generator has the load requirement along with the minimization of cost. The proposed algorithm is tested on two test systems by varying the generating units as 40, 80, and 160. Simulation results are performed under the MATLAB environment and, the acquired results are compared with many existing algorithms in terms of fuel cost, emission cost, and robustness. The proposed scheme is very encouraging and proves the effectiveness of solving various dynamic economical load dispatch problems depending on the numerical outcomes. (C) 2021 Elsevier B.V. All rights reserved.

Keywords:

DELD problems

MVO algorithm

Fuel cost

Emission cost

Thermal and solar power generation system

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