Title An improved crow search algorithm applied to the phase swapping problem in asymmetric distribution systems
Authors Cortés-Caicedo B. , Avellaneda-Gómez L.S. , Montoya O.D. , ALVARADO BARRIOS, LÁZARO, Álvarez-Arroyo C.
External publication No
Means Symmetry
Scope Article
Nature Científica
JCR Quartile 2
SJR Quartile 2
JCR Impact 2.94000
SJR Impact 0.54000
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-85111642454&doi=10.3390%2fsym13081329&partnerID=40&md5=a8d2bdc777af33ca329f080462b4a2a4
Publication date 01/01/2021
ISI 000690221500001
Scopus Id 2-s2.0-85111642454
DOI 10.3390/sym13081329
Abstract This paper discusses the power loss minimization problem in asymmetric distribution systems (ADS) based on phase swapping. This problem is presented using a mixed-integer nonlinear programming model, which is resolved by applying a master-slave methodology. The master stage consists of an improved version of the crow search algorithm. This stage is based on the generation of candidate solutions using a normal Gaussian probability distribution. The master stage is responsible for providing the connection settings for the system loads using integer coding. The slave stage uses a power flow for ADSs based on the three-phase version of the iterative sweep method, which is used to determine the network power losses for each load connection supplied by the master stage. Numerical results on the 8-, 25-, and 37-node test systems show the efficiency of the proposed approach when compared to the classical version of the crow search algorithm, the Chu and Beasley genetic algorithm, and the vortex search algorithm. All simulations were obtained using MATLAB and validated in the DigSILENT power system analysis software. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Keywords Asymmetric distribution grids; Improved crow search algorithm; Normal gaussian distribution; Phase swapping problem; Power losses; Vortex search algorithm
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