Browsing Productos de investigación by Title
Now showing items 524-543 of 798
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One-minute integrated rainfall rate statistics from a rain gauge network in Colombia: Accuracy of prediction methods
(Cartagena de Indias, 2020-08-25)Reliable rainfall rate complementary cumulative distributions are critical for the design of microwave communications systems operating above around 8 GHz. This Letter presents the results of the analysis of more than 5 ... -
Operating cost reduction in distribution networks based on the optimal phase-swapping including the costs of the working groups and energy losses
(Cartagena de Indias, 2021-07-27)The problem of optimal phase-balancing in three-phase asymmetric distribution networks is addressed in this research from the point of view of combinatorial optimization using a master– slave optimization approach. The ... -
Optimal Charging Scheduling of Electric Vehicles based on Principal Component Analysis and Convex Optimization
(Cartagena de Indias, 2020-07-30)The widespread presence of plug-in Electric Vehicles (PEVs) in distribution power grids brings significant concerns regarding their energy demand and peak power requirements. In order to reduce the PEV load impact on power ... -
Optimal conductor size selection in radial distribution networks using a mixed-integer non-linear programming formulation
(IEEE Computer Society, 2018)In this paper a mixed-integer non-linear programming formulation for optimal conductor selection in radial distribution networks is proposed. The objective function in this problem corresponds to the minimization of power ... -
Optimal Demand Reconfiguration in Three-Phase Distribution Grids Using an MI-Convex Model
(Cartagena de Indias, 2021-06-24)The problem of the optimal load redistribution in electrical three-phase medium-voltage grids is addressed in this research from the point of view of mixed-integer convex optimization. The mathematical formulation of the ... -
Optimal Design of Transmission Shafts Using a Vortex Search Algorithm
(Cartagena de Indias, 2021-01-02)This paper analyzes the problem of optimally sizing a transmission shaft via the vortex search algorithm (VSA) optimizer. The objective function was to minimize the shaft weight through an adequate selection of the diameters ... -
Optimal design of transmission shafts: A continuous genetic algorithm approach
(International Academic Press, 2019)This paper presents an analysis of the optimal design of transmission shafts by adopting the approach of a novel continuous genetic algorithm. The optimization case study is formulated as a single-objective optimization ... -
Optimal Economic–Environmental Operation of BESS in AC Distribution Systems: A Convex Multi-Objective Formulation
(Cartagena de Indias, 2021-12-10)This paper deals with the multi-objective operation of battery energy storage systems (BESS) in AC distribution systems using a convex reformulation. The objective functions are CO2 emissions, and the costs of the daily ... -
Optimal Integration of Dispersed Generation in Medium-Voltage Distribution Networks for Voltage Stability Enhancement
(Cartagena de Indias, 2022-01-25): This study addresses the problem of the maximization of the voltage stability index (λcoefficient) in medium-voltage distribution networks considering the optimal placement and sizing of dispersed generators. The problem ... -
Optimal integration of photovoltaic sources in distribution networks for daily energy losses minimization using the vortex search algorithm
(Cartagena de Indias, 2021-04-20)This paper deals with the optimal siting and sizing problem of photovoltaic (PV) generators in electrical distribution networks considering daily load and generation profiles. It proposes the discrete-continuous version ... -
Optimal investments in PV sources for grid-connected distribution networks: An application of the discrete–continuous genetic algorithm
(Cartagena de Indias, 2021-12-09)The problem of the optimal siting and sizing of photovoltaic (PV) sources in grid connected distribution networks is addressed in this study with a master–slave optimization approach. In the master optimization stage, a ... -
Optimal location and sizing of capacitors in radial distribution networks using an exact MINLP model for operating costs minimization
(World Scientific and Engineering Academy and Society, 2017)This paper presents an exact mixed-integer nonlinear programming (MINLP) model for optimal sizing and location of capacitor banks in radial distribution networks (RDN). The total operating costs of the RDN are minimized ... -
Optimal Location and Sizing of DGs in DC Networks Using a Hybrid Methodology Based on the PPBIL Algorithm and the VSA
(Cartagena de Indias, 2021-08-11)In this paper, we propose a master–slave methodology to address the problem of optimal integration (location and sizing) of Distributed Generators (DGs) in Direct Current (DC) networks. This proposed methodology employs a ... -
Optimal location and sizing of distributed generators in dc networks using a hybrid method based on parallel pbil and pso
(Cartagena de Indias, 2020-11-01)This paper addresses the problem of the locating and sizing of distributed generators (DGs) in direct current (DC) grids and proposes a hybrid methodology based on a parallel version of the Population-Based Incremental ... -
Optimal location and sizing of PV sources in DC networks for minimizing greenhouse emissions in diesel generators
(Cartagena de Indias, 2020-02-24)This paper addresses the problem of the optimal location and sizing of photovoltaic (PV) sources in direct current (DC) electrical networks considering time-varying load and renewable generation curves. To represent this ... -
Optimal Location of DGs in DC Power Grids Using a MINLP Model Implemented in GAMS
(Institute of Electrical and Electronics Engineers Inc., 2018)This paper addresses the problem of optimal location and sizing of distributed generators (DGs) in direct-current (dc) power grids by using a mixed-integer nonlinear programming (MINLP) formulation. The reduction of the ... -
Optimal Location of Protective Devices Using Multi-objective Approach
(Springer Verlag, 2018)In this paper a multi-objective model for the problem of optimal location of reclosers and fuses in power electric distribution systems is presented, considering the possibility of fuse rescue through the coordinated ... -
Optimal Location-Reallocation of Battery Energy Storage Systems in DC Microgrids
(Cartagena de Indias, 2020-05-05)This paper deals with the problem of optimal location and reallocation of battery energy storage systems (BESS) in direct current (dc) microgrids with constant power loads. The optimization model that represents this problem ... -
Optimal minimum time control for a direct current motor using bang-bang control
(Cartagena de Indias, 2020)The calculation of variations initially it was a technique that was born in the field of physics and its great contributions have been taken advantage of by the engineering sciences in problems that involve finding a minimum ... -
Optimal Placement and sizing of D-STATCOM in radial and meshed distribution networks using a discrete-continuous version of the genetic algorithm
(Cartagena de Indias, 2021-06-02)In this paper, we propose a new discrete-continuous codification of the Chu–Beasley genetic algorithm to address the optimal placement and sizing problem of the distribution static compensators (D-STATCOM) in electrical ...
