Browsing by Subject "Electric power system stability"
Now showing items 1-20 of 45
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A communication-assisted protection scheme for direct-current distribution networks
(2016-05-27)
Article
Open AccessOne of the major issues associated with the implementation of direct-current distribution systems is the design of a proper protection scheme. The fault current characteristics in direct-current distribution systems are ... -
A communication: assisted protection for MVDC distribution systems with distributed generation
(2015)
Conference report
Open AccessIn this paper, a communication-assisted protection scheme is proposed for medium voltage dc (MVDC) distribution networks. MVDC grids are applicable for connection between microgrids, upgrading the transmission capacity of ... -
Actualización de la infraestructura de Media Tensión de Seat Martorell
(Universitat Politècnica de Catalunya, 2018-06-29)
Bachelor thesis
Restricted access - author's decisionEl objetivo del proyecto es la actualización de la infraestructura de protección, control y monitorizado de las redes de suministro eléctrico en Media Tensión de la fábrica de SEAT Martorell. Este objetivo está motivado ... -
Advanced control of a high power converter connected to a weak grid
(2016)
Conference report
Open AccessThis paper addresses the stability problems of a high power converter connected to a weak grid. The wide range values that grid impedance can take, challenges the stability and the performance of the controllers, which are ... -
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 on capability of harmonic damping using active filter acting as resistive harmonic impedance
(2013)
Conference report
Restricted access - publisher's policyThis paper presents the analysis of shunt active filter (SAF) in harmonic damping. SAF with voltage-based detection control act as an active damping and able to attenuate harmonic propagation throughout the power distribution ... -
Análisis de la estabilidad de sistemas fotovoltaicos conectados a red mediante la respuesta frecuencial de la impedancia
(2011)
Conference report
Open AccessEl incremento de la generación de energía distribuida en la red eléctrica ha despertado inquietudes respecto a la estabilidad de la misma. Los generadores fotovoltaicos conectados a la red eléctrica tienen que lidiar con ... -
Aplicació de dispositius de transmissió AC flexibles per al suport a la xarxa elèctrica
(Universitat Politècnica de Catalunya, 2009-05)
Master thesis (pre-Bologna period)
Open AccessEl present projecte s'emmarca dins el camp de les energies renovables (particularment l’eòlica), la tecnologia elèctrica i l’electrònica de potencia. L'elevada penetració de l'energia eòlica i la proliferació de nous ... -
Application of Posicast control method to generator excitation system
(2014)
Conference report
Restricted access - publisher's policyApplication of Posicast control method to generator excitation system is presented in this paper. Presented control method is one of the simplest control design methods which can be installed in generators excitation to ... -
Application of subsynchronous damping controller to static var compensator
(2015)
Conference report
Open AccessThis paper proposes a new auxiliary Subsynchronous Damping Controller (SSDC) for the Static Var Compensator (SVC) to damp out subsynchronous oscillations in power system containing series compensated transmission lines. ... -
Comparison of simplified models for voltage-source-inverter-fed adjustable-speed drive during voltage sags when the during-event continue mode of operation is active
(2014-11-13)
Article
Restricted access - publisher's policyThree simplified models for adjustable-speed drives are compared with measurements on an actual drive where the inverter control strategy remains unaltered during the event (also known as continue mode of operation) to ... -
Comparison of two voltage control strategies for a wind power plant
(IEEE, 2011)
Conference report
Restricted access - publisher's policyLarger percentages of wind power penetration translate to more demanding requirements from grid codes. Recently, voltage support at the point of connection has been introduced by several grid codes from around the world, ... -
Control of D-STATCOM during unbalanced grid faults based on DC voltage oscillations and peak current limitations
(2016)
Conference report
Open AccessThe safe operation of grid connected power converters during abnormal condition is a key issue in order to guarantee its operation and to avoid undesired trips. In this paper different control methods for the operation of ... -
Current control method for distributed generation power generation plants under grid fault conditions
(IEEE Computer Society Publications, 2011)
Conference report
Restricted access - publisher's policyThe operation of distributed power generation systems under grid fault conditions is a key issue for the massive integration of renewable energy systems. Several studies have been conducted to improve the response of ... -
DC-link voltage oscilations reduction during unbalanced grid faults for high power wind turbines
(2011)
Conference report
Restricted access - publisher's policyDuring unbalanced grid voltage faults the Power injected to the grid experiences 100Hz oscillations as a result of interactions between positive and negative sequence components of three-phase voltages and currents. These ... -
Derivative based inertia emulation of interconnected systems considering phase-locked loop dynamics
(2016)
Conference report
Restricted access - publisher's policyRecent trend of research is oriented in different methods of emulating the inertia to increase the sustainability of the system. In the case of dynamic performance of power systems especially in frequency control of ... -
Desarollo de un programa para el estudio, cálculo y simulación de la red de dsitribución eléctrica de media tensión de una instalación aeroportuaria
(Universitat Politècnica de Catalunya, 2015-04)
Master thesis (pre-Bologna period)
Restricted access - author's decisionUn sistema eléctrico tiene como propósito fundamental satisfacer la demanda de potencia eléctrica requerida por el consumidor de forma continua y con calidad. Para ello se hacen estudios exhaustivos de estos sistemas. ... -
Design and coordination of a capacitor and on-load tap changer system for voltage control in a wind power plant of doubly fed induction generator wind turbines
(2011-05-26)
Article
Restricted access - publisher's policyIn this paper, a novel coordination and control strategy for capacitor banks and on-load tap changer for a wind power plant is introduced. The capacitor banks are controlled in such way that the steady-state usage of the ... -
Detecció d'illa per a inversors controlats per tensió connectats a xarxa
(Universitat Politècnica de Catalunya, 2014-11)
Master thesis (pre-Bologna period)
Open AccessAnti-islanding, algorisme de detecció d'illa per a inversors connectats a xarxa. Qualsevol inversor que pugui treballar en contacte amb la xarxa, ha de poder detectar amb celeritat i sota qualsevol condició, quan la xarxa ... -
Disseny i implementaci o d'una plataforma experimental per al desenvolupament de simulacions Power Hardware in the Loop
(Universitat Politècnica de Catalunya, 2015-04)
Master thesis (pre-Bologna period)
Open AccessEn aquest projecte es presenta el disseny, la implementació i la validació d’una plataforma experimental per al desenvolupament de simulacions utilitzant la tècnica PHIL (Power Hardware in the Loop). Una ...