Browsing by Author "Junyent Ferré, Adrià"
Now showing items 1-20 of 23
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A fault detection and location algorithm for the LVDC interconnection network in rural area
(2024-12)
Article
Open AccessLow voltage DC (LVDC) microgrids (MGs) can be linked together through an interconnection network to enhance the utilization of their energy resources in remote locations, particularly in rural low-income areas. However, ... -
A three-phase active rectifier topology for bipolar DC Ddstribution
(Institute of Electrical and Electronics Engineers (IEEE), 2018-02)
Article
Open AccessA new three-phase active rectifier topology is proposed for bipolar dc distribution, which can achieve the independent dc-pole control, with only one two-level voltage source converter and an ac-side grounding inductor. ... -
Active and reactive power control of grid connected distributed generation systems
(2012)
Part of book or chapter of book
Restricted access - publisher's policyThe present chapter describes active and reactive power control for distributed generation and storage systems connected to the grid by means of voltage source converters. Renewable generation and storage systems connected ... -
Analysis of MMC energy-based control structures for VSC-HVDC links
(Institute of Electrical and Electronics Engineers (IEEE), 2018-02-06)
Article
Open Access -
Control design of Modular Multilevel Converters in normal and AC fault conditions for HVDC grids
(2017-11)
Article
Open AccessThis paper describes a control design strategy of Modular Multilevel Converters (MMC) for High Voltage Direct Current (HVDC) applications to operate during normal and AC fault conditions. First, a steady state analysis of ... -
Control for power conditioner based PEM fuel cell and back-up power system with supercapacitor
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
Conference report
Restricted access - publisher's policyThis paper presents a new control strategy to operate a Proton Exchange Membrane Fuel Cell (PEMFC) 1,2 kW and supercapacitor (SC) through a hybrid converter proposed. The Fuel Cell (FC) has a slow dynamic device by its ... -
Control of doubly fed induction generators under balanced and unbalanced voltage conditions
(World Scientific Publishing, 2011-01-01)
Part of book or chapter of book
Open AccessThe present chapter presents a control technique to deal with the control of doubly fed induction generators under different voltage disturbances. Certain current reference values are chosen in the positive and negative ... -
Control of modular multilevel converters under singular unbalanced voltage conditions with equal positive and negative sequence components
(2017-05-01)
Article
Restricted access - publisher's policyThis paper focuses on the control of Modular Multilevel Converters (MMC) for High Voltage DC (HVDC) applications during unbalanced AC grid voltage sags where positive and negative sequence voltages are equal. The control ... -
Control of power electronic converters for the operation of wind generation
(Universitat Politècnica de Catalunya, 2011-07-15)
Doctoral thesis
Open AccessThe present PhD thesis analyzes the modelling and control of the two main topologies of large scale variable speed wind turbines, the doubly fed induction generator and the permanent magnet synchronous generator wind ... -
Decentralized control of a nine-phase permanent magnet generator for offshore wind turbines
(2015-09-01)
Article
Open AccessThis paper presents a decentralized current control approach for a nine-phase wind turbine generator. This type of generator has three different three-phase stators sharing the same machine yoke and connected to the grid ... -
Design of a linear time-varying model predictive control energy regulator for grid-tied VSCs
(2021-06)
Article
Open AccessThis article presents an energy regulator based on a Model Predictive Control (MPC) algorithm for a Voltage Source Converter (VSC). The MPC is formulated to optimise the converter performance according to the weights defined ... -
E-bike load demand estimation for transport using cartographic data
(2024-06-01)
Article
Open AccessIn remote areas of Sub-Saharan Africa, as well as in Rwanda, communities face the problem of finding an affordable and suitable way of transport for their daily life. Currently, the short-range transportation of people and ... -
Electromechanical modelling and control of a micro-wind generation system for isolated low power DC micro grids
(2010-06-01)
Article
Open AccessThis paper describes the modelling and control of a micro-wind generation system, based on an axial flux permanent magnet synchronous generator (PMSG), for isolated low power DC micro grids. The system consists of a ... -
Experimental implementation of a voltage control for a Multiterminal VSC-HVDC offshore transmission system
(2012)
Conference report
Restricted access - publisher's policy -
Fault detecting and isolating schemes in a low-voltage DC microgrid network from a remote village
(2022-06-19)
Article
Open AccessFault detection and isolation are important tasks to improve the protection system of low voltage direct current (LVDC) networks. Nowadays, there are challenges related to the protection strategies in the LVDC systems. In ... -
Improved methods for controlling interconnected DC microgrids in rural villages
(2024-01-29)
Article
Open AccessInterconnected Microgrid (IMG) networks have been suggested as the best to build electrical networks in remote villages far from the main electricity grid by interconnecting the nearby distributed energy resources (DERs) ... -
Itinerary-dependent degradation analysis of a Lithium-Ion battery cell for E-Bike applications in Rwanda
(2024-10-21)
Article
Open AccessThere are obstacles to the widespread use of small electric vehicles (EVs) in Rwanda, including concerns regarding the battery range and lifespan. Lithium-ion batteries (LIBs) play an important role in EVs. However, their ... -
Modeling and control of the doubly fed induction generator wind turbine
(2010-10)
Article
Restricted access - publisher's policy -
Modelització i control d'un sistema de generació elèctrica de turbina de vent
(Universitat Politècnica de Catalunya, 2007-06)
Master thesis (pre-Bologna period)
Open AccessAquest projecte tracta el desenvolupament d'un model dinàmic de simulació d'un sistema de generació de turbina de vent de velocitat variable amb aspes orientables i generador d'inducció doblement alimentat a través d'un ... -
Operating region extension of a modular multilevel converter using model predictive control: a single phase analysis
(Institute of Electrical and Electronics Engineers (IEEE), 2020-02)
Article
Open AccessThe modular multilevel converter is the state-of-the-art topology for voltage source converter HVDC. Despite its advantages, this converter handles large internal low-frequency energy ripples, and the capacitance that ...
