Browsing by Subject "Sistemes de distribució d'energia elèctrica"
Now showing items 1-20 of 116
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A comprehensive model for the design of a microgrid under regulatory constraints using synthetical data generation and stochastic optimization
(2020-10-26)
Article
Open AccessAs renewable energy installation costs decrease and environmentally-friendly policies are progressively applied in many countries, distributed generation has emerged as the new archetype of energy generation and distribution. ... -
A control strategy for DC-link voltage control containing PV generation and energy storage — An intelligent approach
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyIn this paper, DC-link voltage control in DC microgrids with photovoltaic (PV) generation and battery, is addressed based on an intelligent approach. The proposed strategy is based on the modeling of the power interface, ... -
A fast power calculation algorithm for three-phase droop-controlled-inverters using combined SOGI filters and considering nonlinear loads
(2022-10-07)
Article
Open AccessThe power calculation is an indispensable element in droop-controlled inverters because the bandwidth of the measured power has a direct impact on the controller performance. This paper proposes a fast and accurate power ... -
A fault detection method for pitch actuators faults in wind turbines
(2015)
Conference report
Open AccessThe paper presents a model-based fault detection method for pitch actuators faults using the normalized gradient method to estimate the parameters of the pitch actuator. One major difficulty is that the input signal to the ... -
A flexibility management system for behind-the-meter flexibility with distributed energy resources: A sensitivity analysis
(Elsevier Ltd, 2023-12)
Article
Open AccessThe increasing uncertainty in power systems with high penetration levels of renewable energy fosters the research on the control, management, and operation of distributed energy resources and its coupling with the current ... -
A growing self-organising maps implementation for coherency identification in a power electronics dominated power system
(2020)
Conference lecture
Restricted access - publisher's policyThe presence of power electronics in today’s power systems strengthens due to the wider integration of renewable energy and energy storage systems. Subsequently, the dynamical response becomes harder to model and understand. ... -
A novel design of circulating current control target to minimize SM capacitance in MMC
(2022-12)
Article
Open AccessIn an MMC station, the submodule (SM) capacitor constitutes a high proportion in both the footprint size and construction cost, which greatly limits the application of MMC in some scenarios, such as offshore wind power ... -
A novel voltage sag approach during unintentional islanding scenarios: A survey from real recorded events
(2019-07)
Article
Open AccessIn this paper, a new voltage sag approach is analytically modelled and validated using both simulation and field measurements. The main aspect of this approach is to propose a new voltage sag feature which appears during ... -
A novel voltage sag approach during unintentional islanding scenarios: A survey from real recorded events
(2019)
Conference report
Open AccessIn this paper, a new voltage sag approach is proposed, analytically modelled and validated by both simulation and field measurements. The main aim of this approach is to propose a new voltage sag approach, which appears ... -
A proportional resonant controller tuning method for grid connected power converters with LCL+trap filter
(2014)
Conference report
Restricted access - publisher's policyThree-phase power converters are largely employed in power generation facilities based on renewable energy sources, and these converters commonly working in grid connection mode are frequently connected to the grid through ... -
A review of tools, models and techniques for long-term assessment of distribution systems using OpenDSS and parallel computing
(2018-01-01)
Article
Open AccessMany distribution system studies require long-term evaluations (e.g. for one year or more): Energy loss minimization, reliability assessment, or optimal rating of distributed energy resources should be based on long-term ... -
Advances in control of power electronic converter connected drive and generation systems
(2022-07)
Article
Open Access -
An active power synchronization control loop for grid-connected converters
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyThe increasing penetration of renewable energy sources in power systems requires new control systems that provide services similar to those of conventional generators. This paper proposes an active power controller that ... -
An Improved hybrid DC circuit breaker with self-adaptive fault current limiting capability
(Institute of Electrical and Electronics Engineers (IEEE), 2022-04-01)
Article
Open AccessThe effective fault current limiting is very significant for the dc distribution system. However, the traditional dc fault current limiting method, i.e., directly installing dc reactor, may trigger negative impacts the ... -
Analysis and design of virtual synchronous machine based STATCOM controller
(2014)
Conference report
Restricted access - publisher's policythis paper extends the virtual synchronous machine (VSM) concept, recently proposed as alternative means to synchronize grid-connected inverters, by developing a VSM-based STATCOM controller operating as synchronous ... -
Analysis of derivative control based virtual inertia in multi-area high-voltage direct current interconnected power systems
(2016-05-12)
Article
Open AccessDue to increasing level of power converter-based component and consequently the lack of inertia, automatic generation control (AGC) of interconnected systems is experiencing different challenges. To cope with this challenging ... -
Analysis of ferroresonance effects in distribution networks with distributed source units
(2013)
Conference report
Restricted access - publisher's policyThe connection of Distributed Generation (DG) units to existing networks may give rise to harmful effects on the network and the DG units itself. Therefore, due to increasing penetration of DG units, it is important to ... -
Analysis on impacts of the shunt conductances in multi-terminal HVDC grids optimal power-flow
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Open AccessThis study deals with impacts of the shunt conductances associated with HVDC cables and VSC-HVDC stations on optimal operation of Multi-Terminal HVDC (MT-HVDC). In this study, for the first time, shunt conductances are ... -
Anàlisi tecno-econòmica de microxarxes cooperatives residencials amb generació fotovoltaica
(Universitat Politècnica de Catalunya, 2019-11-08)
Bachelor thesis
Open AccessEl present treball realitza un anàlisi sobre la possible implantació d’una micro-xarxa cooperativa residencial al municipi de Sant Esteve de Palautordera, Barcelona. La micro-xarxa estarà basada en la generació fotovoltaica ... -
Averias eléctricas en sistemas distribución media tensión
(Universitat Politècnica de Catalunya, 2018-10)
Bachelor thesis
Restricted access - author's decision
