Browsing by Subject "Turbines"
Now showing items 1-20 of 65
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Acceleration-based control of offshore fixed wind turbines: simulation and parameter tuning
(Universitat Politècnica de Catalunya, 2016-06-08)
Bachelor thesis
Open Access -
A CFD framework for offshore and onshore wind farm simulation
(IOP Publishing, 2017)
Article
Open AccessWe present a wind simulation framework for offshore and onshore wind farms. The simulation framework involves an automatic hybrid high-quality mesh generation process, a pre-processing to impose initial and boundary ... -
Active current control in wind power plants during grid faults
(2010-11)
Article
Restricted access - publisher's policyModern wind power plants are required and designed to ride through faults in electrical networks, subject to fault clearing. Wind turbine fault current contribution is required from most countries with a high amount of ... -
Actividades en control y supervisión inteligente del Grupo de Sistemas Avanzados de Control (SAC) de la Universidad Politècnica de Catalunya (UPC)
(2010)
Conference report
Open AccessEn esta ponencia se presenta un resumen de las actividades de investigación que se están desarrollando en el grupo de “Sistemas Avanzados de Control” (SAC) de la Universidad Politécnica de Catalunya UPC en el Campus de ... -
Advanced condition monitoring of Pelton turbines
(2018-04)
Article
Restricted access - publisher's policyThe ability of hydropower to adapt the electricity generation to the demand is necessary to integrate wind and solar energy into the electrical grid. Nowadays, hydropower turbines are required to work under harsher operating ... -
Aerodynamic verification and optimization of a model of an offshore floating wind turbine
(Universitat Politècnica de Catalunya / Politecnico di Torino, 2013)
Bachelor thesis
Restricted access - author's decisionOffshore wind power technologies are still developing. Floating systems represent the future of wind energy as they provide sites with better wind characteristics. Nowadays they are under intensive study and experimentation, ... -
Anàlisi de l’eficiència en l’agitació mitjançant bufadors d’aire i agitadors de turbina, durant la dissolució de productes químics en dipòsits d'aigua
(Universitat Politècnica de Catalunya, 2018-01)
Bachelor thesis
Open AccessEn aquest projecte s’estudien dos mètodes utilitzats àmpliament a Espanya i, en general, al conjunt de països desenvolupats, per dissoldre fertilitzants. En aquest tipus d’estudi és important conèixer els principis de la ... -
Analysis of the dynamic response of pump-turbine impellers. Influence of the rotor
(2016-02-01)
Article
Open AccessThis paper deals with the dynamic response of pump-turbine impellers. A pump-turbine impeller is a complex structure attached to a rotor and rotating inside a casing full of water with very small clearances between the ... -
An interval NLPV parity equations approach for fault detection and isolation of a wind farm
(Institute of Electrical and Electronics Engineers (IEEE), 2014-12-25)
Article
Open AccessIn this paper, the problem of fault diagnosis of a wind farm is addressed using interval nonlinear parameter varying (NLPV) parity equations. Fault detection is based on the use of parity equations assuming unknown but ... -
Aprovechamiento hidráulico óptimo del Embalse del Cenajo en la Cuenca del Segura
(Fundación para el Fomento de la Ingeniería del Agua, 2001-12)
Article
Open AccessLa necesidad de explotación óptima de los recursos hidráulicos disponibles en un país deficitario energéticamente como es España lleva a que en los concursos de explotación publicados por los distintos órganos de cuenca ... -
A wind turbine blade damage detection system based on data analysis: an academic example on the use of histograms
(2018-04-11)
Article
Open AccessThe main objective of this paper is to introduce an academic example on the use of histograms to develop a wind turbine blade fault (or damage) detection system. This approach merely uses data analysis obtained from a ... -
A wind turbine blade damage detection system based on data analysis: an academic xample on the use of histograms
(2018)
Conference report
Restricted access - publisher's policyThe main objective of this paper is to introduce an academic example on the use of histograms to develop a wind turbine blade fault (or damage) detection system. This approach merely uses data analysis obtained from a ... -
Caracterització del funcionament del sistema de control de run-back de turbina per a una central PWR. Interacció control-protecció
(Universitat Politècnica de Catalunya, 2006-11)
Master thesis (pre-Bologna period)
Open Access -
Caracterització de recobriments HVOF per a la seva aplicació a pales directrius de turbina Francis
(Universitat Politècnica de Catalunya, 2012-01-11)
Master thesis (pre-Bologna period)
Restricted access - author's decisionUns dels elements més importants en una turbina Francis són els àleps directrius, un conjunt de pales d’acer que regulen el cabal de l’aigua que circula a través de la turbina per generar energia cinètica. Aquests àleps ... -
Caracterización mecánica en régimen de fatiga para el material EN-GJS-400-18-LT
(Universitat Politècnica de Catalunya, 2008-06)
Master thesis
Restricted access - author's decisionEcotècnia-Alstom (empresa fabricante de turbinas y promotora de proyectos de energías renovables) está desarrollando una campaña de caracterización del comportamiento a fatiga de la fundición EN-GJS-400-18-LT. Esta ... -
CFD analysis for optimal single and double rows of marine turbines in a wide channel
(Universitat Politècnica de Catalunya / Cranfield University, 2013)
Bachelor thesis
Restricted access - author's decision
Covenantee: Cranfield UniversityTidal currents are one of the most promising sources of power within the renewable energy sector, especially for countries with suitable marine conditions. The United Kingdom has the edge over the rest of countries in ... -
Computational Fluid Dynamics study of a vertical axis tidal turbine using a Fluid Structure Interaction approach
(Universitat Politècnica de Catalunya, 2014-12-01)
Bachelor thesis
Open AccessThe present project aims to plunge into the multiphysics nature of a vertical axis tidal turbine. To that purpose, a Fluid-Structure Interaction analysis has been undertaken. The coupling between the fluid and the structural ... -
Condition monitoring of a prototype turbine. Description of the system and main results
(Institute of Physics (IOP), 2017)
Conference report
Open AccessThe fast change in new renewable energy is affecting directly the required operating range of hydropower plants. According to the present demand of electricity, it is necessary to generate different levels of power. Because ... -
Control de un generador doblemente alimentado para turbinas eólicas
(Universitat Politècnica de Catalunya, 2009-06-26)
Master thesis (pre-Bologna period)
Open AccessEn los últimos años se está produciendo un crecimiento de demanda energética y un aumento de los niveles de contaminación, debido en parte a la industrialización de países en vías de desarrollo. Para controlar la ... -
Control strategies for DFIG wind turbines under grid fault conditions
(2009)
Conference lecture
Open AccessThe classical control techniques for regulating the active and reactive power delivery in doubly fed induction generators (DFIG), for wind power applications, are normally based on voltage oriented control (VOC) strategies. ...
