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Commodity price shocks and the gender wage gap: Evidence from the metal mining prices super-cycle in Chile
(2022-02-04)
This paper analyzes the local impact of a natural resource shock on female and male wages as well as the gender wage gap. We contrast three hypotheses using the Dutch disease theory and gender-based segregation patterns ...
Application of the hurricane-based optimization algorithm to the phase-balancing problem in three-phase asymmetric networks
(2022-03-14)
This article addresses the problem of optimal phase-swapping in asymmetric distribution
grids through the application of hurricane-based optimization algorithm (HOA). The exact mixedinteger nonlinear programming (MINLP) ...
Optimal placement and sizing of PV sources in distribution grids using a modified gradient-based metaheuristic optimizer
(2022-03-11)
The problem of the optimal placement and sizing of renewable generation sources based on photovoltaic (PV) technology in electrical distribution grids operated in medium-voltage levels was studied in this research. This ...
A two-stage approach to locate and size PV sources in distribution networks for annual grid operative costs minimization
(2022-03-21)
This paper contributes with a new two-stage optimization methodology to solve the
problem of the optimal placement and sizing of solar photovoltaic (PV) generation units in mediumvoltage distribution networks. The ...
Development and Characterization of Plantain (Musa paradisiaca) Flour-Based Biopolymer Films Reinforced with Plantain Fibers
(2022-02-15)
Agroindustrial wastes are a cheap and abundant source of natural fibers and acromolecules that can be used in the manufacturing of biocomposites. This study presents the development and thermo-mechanical characterization ...
On the Conic Convex Approximation to Locate and Size Fixed-Step Capacitor Banks in Distribution Networks
(2022-02-20)
The problem of the optimal siting and sizing of fixed-step capacitor banks is studied in
this research from the standpoint of convex optimization. This problem is formulated through a mixed-integer nonlinear programming ...
Optimal Integration of Dispersed Generation in Medium-Voltage Distribution Networks for Voltage Stability Enhancement
(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 ...
Hierarchical Control for DC Microgrids Using an Exact Feedback Controller with Integral Action
(2022-02-06)
This paper addresses the problem of the optimal stabilization of DC microgrids using a
hierarchical control design. A recursive optimal power flow formulation is proposed in the tertiary stage that ensures the global ...
Optimal Design of PV Systems in Electrical Distribution Networks by Minimizing the Annual Equivalent Operative Costs through the Discrete-Continuous Vortex Search Algorithm
(2022-01-23)
: This paper discusses the minimization of the total annual operative cost for a planning
period of 20 years composed by the annualized costs of the energy purchasing at the substation bus summed with the annualized ...
Application of the Crow Search Algorithm to the Problem of the Parametric Estimation in Transformers Considering Voltage and Current Measures
(2022-06-06)
The problem of the electrical characterization of single-phase transformers is addressed in this research through the application of the crow search algorithm (CSA). A nonlinear programming model to determine the series ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.