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Economic dispatch of renewable generators and BESS in DC microgrids using second-order cone optimization
(2020-04-03)
A convex mathematical model based on second-order cone programming (SOCP) for the optimal operation in direct current microgrids (DCMGs) with high-level penetration of renewable energies and battery energy storage systems ...
Direct power compensation in AC distribution networks with SCES systems via PI-PBC approach
(2020-04-23)
Here, we explore the possibility of employing proportional-integral passivity-based control (PI-PBC) to support active and reactive power in alternating current (AC) distribution networks by using a supercapacitor energy ...
Intelligent fault detection system for microgrids
(2020-03-06)
The dynamic features of microgrid operation, such as on-grid/off-grid operation mode, the intermittency of distributed generators, and its dynamic topology due to its ability to reconfigure itself, cause misfiring of ...
Optimal location and sizing of PV sources in DC networks for minimizing greenhouse emissions in diesel generators
(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 ...
On the numerical analysis based on successive approximations for power flow problems in AC distribution systems
(2020-10)
This paper proposes a new power flow formulation for alternating-current distribution networks for radial and mesh topologies. This formulation corresponds to a successive approximation based on a modification of the ...
Numerical methods for power flow analysis in DC networks: State of the art, methods and challenges
(2020-12)
This study addresses the power-flow-analysis problem for direct-current (DC) grids from a numerical perspective. Classical and emerging algorithms for power flow solutions in DC networks such as Gauss--Seidel, successive ...
On the Existence of the Power Flow Solution in DC Grids With CPLs Through a Graph-Based Method
(2020-08-27)
This brief explores the formulation of the power flow problem in DC grids with a classical incidence matrix through a graph-based formulation. This corresponds to a compact representation of the conventional backward/forward ...
Optimal Location-Reallocation of Battery Energy Storage Systems in DC Microgrids
(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 Placement and Sizing of Wind Generators in AC Grids Considering Reactive Power Capability and Wind Speed Curves
(2020-04-08)
This paper presents an optimization model for the optimal placement and sizing of wind turbines, considering their reactive power capacity, wind speed, and demand curves. The optimization model is nonlinear and is focused ...
Dynamic active and reactive power compensation in distribution networks with batteries: A day-ahead economic dispatch approach
(2020-06-08)
This paper focuses on the problems of optimal operation of battery energy storage systems (BESSs) in distributed networks from a nonlinear programming (NLP) point of view. This proposal contains the active and reactive ...