Exploració per tema "Microgrids"
Ara es mostren els items 1-20 de 57
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A distributed control for accurate active-power sharing in islanded microgrids subject to clock drifts
(2021-01-28)
Article
Accés obertInverters-based islanded microgrids are operated by local digital signal processors, driven by their own local clocks. These local clocks have drifts affecting the clock signals which are used to control the inverters in ... -
A distributed power sharing framework among households in microgrids: a repeated game approach
(2017-01-01)
Article
Accés obertIn microgrids, the integration of distributed energy resources (DERs) in the residential sector can improve power reliability, and potentially reduce power demands and carbon emissions. Improving the utilization of renewable ... -
A heuristic method to design autonomous village electrification projects with renewable energies
(2014-08-14)
Article
Accés restringit per política de l'editorialSystems relying on renewable energies demonstrated to be a reliable and sustainable option to electrify isolated communities autonomously. Hybrid systems that combine different energy resources and distribution microgrids ... -
A meta-heuristic method to design off-grid community electrification projects with renewable energies
(2015)
Article
Accés obertThe design of off-grid electrification projects considering hybrid systems and distribution microgrids is a complex task that requires the use of decision support tools. Most of existing tools focus on the design of hybrid ... -
A review of fuzzy-based residential grid-connected microgrid energy management strategies for grid power profile smoothing
(Springer, 2018-11-10)
Capítol de llibre
Accés restringit per política de l'editorialThis book covers different aspects of energy sustainability in residential buildings and neighborhoods, starting from the construction and design aspects, and moving on to HVAC systems and lighting, and the applications, ... -
A survey on the application of phasor measurement units to the protection of transmission and smart distribution systems
(2023-08-07)
Article
Accés restringit per política de l'editorialRenewable energy resources have increasingly been integrated into electric power grids. Moreover, new challenges constantly arise, showing the need for modernization in monitoring, control, and protection. Transmission and ... -
Active power sharing and frequency regulation in droop-free control for islanded microgrids under electrical and communication failures
(Institute of Electrical and Electronics Engineers (IEEE), 2020-08-01)
Article
Accés obertThe droop-free control for ac microgrids achieves active power sharing and frequency regulation by replacing the centralized secondary control and the primary-level droop mechanism by a cooperative distributed control ... -
Adaptive Volt-Var Control Algorithm to Grid Strength and PV Inverter Characteristics
(2021-04-16)
Article
Accés obertThe high-penetration of Distributed Energy Resources (DER) in low voltage distribution grids, mainly photovoltaics (PV), might lead to overvoltage in the point of common coupling, thus, limiting the entrance of renewable ... -
Adjustment of the Fuzzy Logic controller parameters of the energy management strategy of a grid-tied domestic electro-thermal microgrid using the Cuckoo search algorithm
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialDuring the last century, population growth, together with economic development, has considerably increased the energy demand and, although renewable energies are becoming an alternative, still total energy supply is mainly ... -
An enhancing fault current limitation hybrid droop/V-f control for grid-tied four-wire inverters in AC microgrids
(Multidisciplinary Digital Publishing Institute, 2018-09-22)
Article
Accés obertMicrogrid integration and fault protection in complex network scenarios is a coming challenge to be faced with new strategies and solutions. In this context of increasing complexity, this paper describes two specific ... -
Analysis of consensus-based islanded microgrids subject to unexpected electrical and communication partitions
(Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
Article
Accés obertMicrogrids are power systems consisting of an electrical network composed by distributed loads and generation units that may include a communication network for improved operation. The considered microgrid in islanded mode ... -
Analysis of the effect of clock drifts on frequency regulation and power sharing in inverter-based islanded microgrids
(2018-02-12)
Article
Accés obertLocal hardware clocks in physically distributed computation devices hardly ever agree because clocks drift apart and the drift can be different for each device. This paper analyses the effect that local clock drifts have ... -
Analysis to achieve a high penetration of renewable energies in MW-scale electricity Microgrids with the case study of an island in the Pacific
(Universitat Politècnica de Catalunya, 2014-10)
Projecte Final de Màster Oficial
Accés obertAs the penetration of intermittent renewable energies consumed in MW-scale electrical grids becomes high, in many countries reaching more than 25 % per year, the need for control, stabilization and storage methods to ... -
Anàlisi de l'eficiència d'una microxarxa
(Universitat Politècnica de Catalunya, 2022-06-30)
Treball Final de Grau
Accés obertEn aquest projecte es presenta la modelització d'una microxarxa elèctrica amb l'objectiu d'analitzar la seva eficiència energètica. El model proposat realitza la simulació del comportament elèctric dels components i calcula ... -
Artificial intelligence-based protection for smart grids
(2022-07-05)
Article
Accés obertLately, adequate protection strategies need to be developed when Microgrids (MGs) are connected to smart grids to prevent undesirable tripping. Conventional relay settings need to be adapted to changes in Distributed ... -
Balancing cost and demand in electricity access projects: case studies in Ecuador, Mexico and Peru
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-06-01)
Article
Accés obertRural areas in developing countries have the highest concentrations of unelectrified communities. There is a clear link between electricity consumption and the Human Development Index, as highlighted by the 7th Development ... -
Caracterització energètica de microxarxes. Tercera part: Resum del mètode de caracterització i determinació algorísmica del sistema de gestió d'energia
(2020-11-11)
Report de recerca
Accés restringit per decisió de l'autor -
Collaborative voltage unbalance elimination in grid-connected AC microgrids with grid-feeding inverters
(Institute of Electrical and Electronics Engineers (IEEE), 2021-06-01)
Article
Accés obertThe 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 ... -
Communication-aware consensus for frequency restoration in islanded microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialMicroGrids (MGs) include spatially distributed generation (DG) systems and loads that may require operating autonomously in islanded mode. The operation of islanded MGs can benefit from consensus theory and practice, ... -
Comparison between different droop based control techniques and a virtual control oscillator
(2023-03-15)
Article
Accés obertThis work presents a literature review about control techniques for parallel connected power inverters under microgrid applications. Some control strategies, based on droop control for parallel inverters of distributed ...