Exploració per autor "Riba Ruiz, Jordi-Roger"
Ara es mostren els items 74-93 de 168
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Fast electro-thermal simulation of short-circuit tests
Abomailek Rubio, Basel Carlos; Riba Ruiz, Jordi-Roger; Capelli, Francesca; Moreno Eguilaz, Juan Manuel (2017-06-01)
Article
Accés obert -
Feasibility analysis of bluetooth 5 for real-time data transmission in high-voltage AC and DC substations
Kadechkar, Akash; Moreno Eguilaz, Juan Manuel; Riba Ruiz, Jordi-Roger (2018)
Comunicació de congrés
Accés restringit per política de l'editorialIn the past, there have been some practical experiments to study the effect of radio interference and high impulse noise affecting some selected wireless communications protocols in substation environments. However, in the ... -
Feasibility analysis of reduced-scale visual corona tests in high-voltage laboratories
Abomailek Rubio, Basel Carlos; Riba Ruiz, Jordi-Roger; Casals Torrens, Pau (2019-06-18)
Article
Accés obertCorona is a critical effect that must be considered during the design and optimization stages of high-voltage hardware such as substation connectors, since due to the harmful effects, corona threats power systems reliability. ... -
Feasibility study on thermal energy harvesting for low powered electronics in high-voltage substations
Kadechkar, Akash; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Capelli, Francesca (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertElectronic devices combining sensors, wireless communications, and data processing capability allow easing predictive maintenance tasks in many applications. This paper applies this approach in power connectors for ... -
Feature extraction of demagnetization faults in permanent-magnet synchronous motors based on box-counting fractal dimension
Delgado Prieto, Miquel; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Urresty Betancourt, Julio César; Ortega Redondo, Juan Antonio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-05)
Article
Accés restringit per política de l'editorialThis paper presents a methodology for feature extraction of a new fault indicator focused on detecting demagnetization faults in a surface-mounted permanent-magnet synchronous motors operating under nonstationary conditions. ... -
Finite element analysis to predict temperature rise tests in high-capacity substation connectors
Capelli, Francesca; Riba Ruiz, Jordi-Roger; Sanllehí, Josep (2017-06-30)
Article
Accés obertIn the last years there has been a considerable increase in electricity consumption and generation from renewable sources, especially wind and solar photovoltaic. This phenomenon has increased the risk of line saturation ... -
Identificación de muestras de papel mediante espectrometria IR y métodos multivariables
Riba Ruiz, Jordi-Roger (2012-04-01)
Article
Accés obertActualmente en todo el mundo se consume una gran cantidad de papel reciclado. Ello ha provocado la fabricación de papel que contiene muchos tipos de impurezas, por lo que las empresas papeleras se están viendo con la ... -
Identification of natural rubber samples for high-voltage insulation applications
Riba Ruiz, Jordi-Roger; González, Neudys; Canals, Trini; Cantero, Rosa (Pergamon Press, 2019-01-25)
Article
Accés obert -
Identification of NR and EPDM samples by means of thermogravimetric analysis and multivariate methods
Riba Ruiz, Jordi-Roger; Canals Parelló, Trini; Cantero Gómez, María Rosa (2016-11-01)
Article
Accés obertProducts based on ethylene-propylene-diene m-class (EPDM) and natural rubber (NR) are widely used in a different applications, including the automotive industry, heating, ventilation, and air conditioning applications, ... -
Improvement of dielectric properties of natural rubber by adding perovskite nanoparticles
González, Neudys; Riba Ruiz, Jordi-Roger; Lalaouna, Saïd; Custal, Mariàngels; Armelín Diggroc, Elaine Aparecida (2016-02)
Article
Accés obertNatural rubber matrix, reinforced with several conventional stabilizer additives, was further charged with perovskite nanoparticles. Although the addition of BaTiO3 ceramic particles usually transforms a non-conducting ... -
Improvement of insulation effectiveness of natural rubber by adding hydroxyl-functionalized barium titanate nanoparticles
González Gómez, Neudys; Riba Ruiz, Jordi-Roger; Custal, Maria del Àngels; Armelín Diggroc, Elaine Aparecida (2017-10-11)
Article
Accés obertNatural rubber (NR) products are being applied in many protective tools for life-line applications, including insulating boots, blankets, sleeves, insulating gloves, or flexible coverings. Due to the inherent risk of such ... -
Industrial ecology as a planning approach for a sustainable tanning industrial estate
Notarnicola, Bruno; Raggi, Andrea; Puig Vidal, Rita; Argelich, Montse; Solé Gustems, Miquel; Bautista, Sonia; Riba Ruiz, Jordi-Roger; Fullana Palmer, Pere; Gazulla, Cristina; Calvet Puig, Maria Dolors (2008)
Article
Accés restringit per política de l'editorial -
Influence of ZnO and TiO2 particle sizes in the mechanical and dielectric properties of vulcanized rubber
González Gómez, Neudys; Custal, Maria del Àngels; Rodríguez, Daniel; Riba Ruiz, Jordi-Roger; Armelín Diggroc, Elaine Aparecida (2017-07-01)
Article
Accés obertThe novelty of the present study relies on the straightforward sonication of ZnO and TiO2 and incorporation to a complex formulation of latex, with other several organic-inorganic additives that influences the cross-linking ... -
Insulation failure quantification based on the energy of digital images using low-cost imaging sensors
Riba Ruiz, Jordi-Roger; Gómez-Pau, Álvaro; Moreno Eguilaz, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2020-12-16)
Article
Accés obertInsulation faults in high-voltage applications often generate partial discharges (PDs) accompanied by corona activity, optical radiation mainly in the ultraviolet (UV) and visible bands. Recent developments in low-cost, ... -
Inter-turn fault detection in five-phase PMSMs. Effects of the fault severity
Saavedra Ordóñez, Harold; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper deals with the effects of inter-turn short circuit faults in five-phase permanent magnet synchronous motors (PMSMs). For this purpose a finiteelements model (FEM) of a faulty machine with 1, 2 and 4 inter-turns ... -
La Experiencia del equipo ETSEIB-ELISAVA en la Barcelona Smart Moto Challenge: Un proyecto Learning-by-doing de diseño e ingeniería
Moreno Eguilaz, Juan Manuel; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis; Hernández Chiva, Emilio (Congrés Internacional de Docència Universitària i Innovació (CIDUI), 2014)
Comunicació de congrés
Accés restringit per política de l'editorialSe describe una experiencia docente pionera basada en el clásico concepto“learning-by-doing”, en la que diseño e ingeniería se unen para obtener un producto de mercado. En concreto, se describen los retos planteados así ... -
LCA of forest chips versus diesel boilers in the Mediterranean region
Esteban Dalmau, Bernat; Baquero Armans, Grau; Puig Vidal, Rita; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni (2011)
Text en actes de congrés
Accés restringit per decisió de l'autorABSTRACT: Obtaining energy from forest chips is a technology widely used in many regions. There are currently many studies and applications on the use of forest biomass [1,2], mainly promoted by policies aimed to reduce ... -
Linking digital image intensity to carrier density in low-pressure corona discharges
Riba Ruiz, Jordi-Roger (Elsevier, 2023-06)
Article
Accés restringit per política de l'editorialThe electrification of transportation, and aircraft electrification in particular, is experiencing rapid development due to the more efficient use of energy. Since the dielectric strength of air decreases at the cruising ... -
Low-cost online contact resistance measurement of power connectors to ease predictive maintenance
Kadechkar, Akash; Moreno Eguilaz, Juan Manuel; Riba Ruiz, Jordi-Roger; Capelli, Francesca (2019-03-12)
Article
Accés obertWith the increasing use of sensors and wireless communication systems, predictive maintenance is acquiring more and more importance to assess the condition of in-service equipment. Predictive maintenance presents promising ... -
Low-pressure optical detection, location, and quantification of electrical discharges in aircraft Wwring systems
Bas Calopa, Pau; Riba Ruiz, Jordi-Roger; Ortega Redondo, Juan Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-21)
Article
Accés obertStrict regulations issued by international administrative bodies limit the CO2 equivalent emissions for new aircraft, while increasing efficiency requirements. To reach this goal, next generations of aircraft will use more ...