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Constrained predictive control based on a large-signal model for a three-phase inverter connected to a microgrid
(Institute of Electrical and Electronics Engineers (IEEE), 2022-07-21)
Article
Open AccessSmall-signal models are the mostly used to model and design in inverter-dominated microgrids. Conversely, this paper proposes a large-signal model for grid-forming inverters connected to a microgrid based on the active and ... -
Renewables with energy storage: A time-series socioeconomic model for business and welfare analysis
(Elsevier, 2021-11-27)
Article
Restricted access - publisher's policyThis paper seeks to quantify the effects of the increasing penetration level of renewable distributed generation and energy storage systems on the regulated electricity market over time. More specifically, the emphasis is ... -
Control scheme for negative-sequence voltage compensation and current sharing in inverter-based grid-connected microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2022-01-06)
Article
Restricted access - publisher's policyThis paper presents a control scheme that simultaneously solves the problems of negative-sequence voltage compensation and negative-sequence current sharing in grid-connected microgrids using grid-feeding inverters. ... -
Distributed direct power sliding-mode control for islanded AC microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2021-12-21)
Article
Restricted access - publisher's policyThe aim of this paper is to develop a novel distributed direct power sliding-mode control for an islanded AC microgrid. This solution replaces the droop mechanism of each inverter with two separate sliding surfaces working ... -
Reliability and energy costs analysis of a rural hybrid microgrid using measured data and battery dynamics: a case study in the coast of Perú
(2021-10-06)
Article
Open AccessHybrid microgrids constitute a promising solution for filling the electricity access gap that currently exists in rural areas; however, there is still relatively little information about their reliability and costs based ... -
Dual-loop continuous control set model predictive control for a three-phase unity power factor rectifier
(Institute of Electrical and Electronics Engineers (IEEE), 2021-08-24)
Article
Restricted access - publisher's policyIn this paper, a novel cascade model predictive control for a three-phase unity power factor rectifier is presented. Unlike the traditional control techniques for rectifiers, the proposed method uses a cascade dual-model ... -
Effects of clock deviations on the performance of microgrids based on virtual synchronous generators
(2021-11-04)
Article
Open AccessAn inverter-based microgrid is a small-scale power network governed by a distributed con-trol system. In this system, the nodes are the digital controllers of the power inverters,normally located at separate points within ... -
Monte-Carlo probabilistic valuation of concentrated solar power systems in Spain under the 2014 retroactive regulatory framework
(2021-03-01)
Article
Restricted access - publisher's policyThe current Royal Decree 413/2014 legal-economic framework for concentrating solar power plants in Spain has been analysed from a probabilistic perspective. Due to the high inherent risk in most of the parameters defining ... -
SOGI-FLL grid frequency monitoring with an error-based algorithm for a better response in face of voltage sag and swell faults
(2021-06-11)
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Open Access -
Inverter parallelization for an islanded microgrid using the Hopf oscillator controller approach with self-synchronization capabilities
(Institute of Electrical and Electronics Engineers (IEEE), 2021-11-01)
Article
Open AccessNonlinear dynamical systems such as weakly coupled oscillators are an interesting approach to be adopted for the regulation of power inverters inside microgrids. Aiming at the synchronization and load sharing in islanded ... -
Collaborative voltage unbalance elimination in grid-connected AC microgrids with grid-feeding inverters
(Institute of Electrical and Electronics Engineers (IEEE), 2021-06-01)
Article
Open AccessThe control flexibility of the power inverters that interface distributed generation can be exploited to incorporate power quality enhancement features in addition to the usual power management control. This article presents ... -
Analysis of the net metering schemes for PV self-consumption in Denmark
(2021-04-03)
Article
Open AccessThe current Danish regulatory framework BEK 999/2016 for hourly net settled new PV facilities is analysed in detail, evaluating the technical and economic differences between the several envisioned schemes. In addition to ...
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