Document Type

Article

Publication Date

6-1-2020

Publication Title

Electronics (Switzerland)

Volume

9

Issue

6

First Page

1

Last Page

18

DOI

10.3390/electronics9061043

Keywords

Flexible AC transmission systems (FACTS) devices, Krill herd algorithm (KHA), Optimal power flow (OPF), Stochastic wind power generation

Abstract

© 2020 by the authors. This paper deals with investigating the Optimal Power Flow (OPF) solution of power systems considering Flexible AC Transmission Systems (FACTS) devices and wind power generation under uncertainty. The Krill Herd Algorithm (KHA), as a new meta‐heuristic approach, is employed to cope with the OPF problem of power systems, incorporating FACTS devices and stochastic wind power generation. The wind power uncertainty is included in the optimization problem using Weibull probability density function modeling to determine the optimal values of decision variables. Various objective functions, including minimization of fuel cost, active power losses across transmission lines, emission, and Combined Economic and Environmental Costs (CEEC), are separately formulated to solve the OPF considering FACTS devices and stochastic wind power generation. The effectiveness of the KHA approach is investigated on modified IEEE‐30 bus and IEEE‐57 bus test systems and compared with other conventional methods available in the literature.

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