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Latencies in power systems: A database-based time-delay compensation for memory controllers
(2021-01-18)
Time-delay is inherent to communications schemes in power systems, and in a closed loop strategy the presence of latencies increases inter-area oscillations and security problems in tie-lines. Recently, Wide Area Measurement ...
Second-order cone approximation for voltage stability analysis in direct-current networks
(2020-09-24)
In this study, the voltage stability margin for direct current (DC) networks in the presence of constant power loads is analyzed using a proposed convex mathematical reformulation. This convex model is developed by employing ...
A second-order cone programming reformulation of the economic dispatch problem of bess for apparent power compensation in ac distribution networks
(2020-10-14)
The problem associated with economic dispatch of battery energy storage systems (BESSs) in alternating current (AC) distribution networks is addressed in this paper through convex optimization. The exact nonlinear programming ...
An mi-sdp model for optimal location and sizing of distributed generators in dc grids that guarantees the global optimum
(2020-10-30)
This paper deals with a classical problem in power system analysis regarding the optimal location and sizing of distributed generators (DGs) in direct current (DC) distribution networks using the mathematical optimization. ...
Exact minimization of the energy losses and the CO2 emissions in isolated DC distribution networks using PV sources
(2021-04-28)
This paper addresses the optimal location and sizing of photovoltaic (PV) sources in isolated direct current (DC) electrical networks, considering time-varying load and renewable generation curves. The mathematical ...
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 ...
Convergence analysis of the triangular-based power flow method for AC distribution grids
(2021-06-30)
This paper addresses the convergence analysis of the triangular-based power flow (PF)
method in alternating current radial distribution networks. The PF formulation is made
via upper-triangular matrices, which enables ...
A hybrid approach based on socp and the discrete version of the sca for optimal placement and sizing dgs in ac distribution networks
(2020-12-27)
This paper deals with the problem of the optimal placement and sizing of distributed generators (DGs) in alternating current (AC) distribution networks by proposing a hybrid master–slave optimization procedure. In the ...
Global stabilization of a reaction wheel pendulum: A discrete-inverse optimal formulation approach via a control lyapunov function
(2020-10-26)
This paper deals with the global stabilization of the reaction wheel pendulum (RWP) in the discrete-time domain. The discrete-inverse optimal control approach via a control Lyapunov function (CLF) is employed to make the ...
A Comparative Study on Power Flow Methods Applied to AC Distribution Networks with Single-Phase Representation
(2021-10-21)
This paper presents a comparative analysis of six different iterative power flow methods applied to AC distribution networks, which have been recently reported in the scientific literature. These power flow methods are (i) ...
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.