Exploració per autor "Riba Ruiz, Jordi-Roger"
Ara es mostren els items 94-113 de 168
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Magnet shape influence on the performance of AFPMM in a torus configuration
(2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe axial flux permanent magnet machine (AFPMM)is being increasingly demanded for special applications, particularly for transportation systems and concretely for inwheel applications. In this paper the effect of the magnets ... -
Magnet shape influence on the performance of AFPMM with demagnetization
(IEEE Industrial Electronics Society, 2013)
Text en actes de congrés
Accés obertIn this paper the effect of the magnets shape on the AFPMM performance under a demagnetization fault has been analyzed by means of 3D-FEM simulations. Demagnetization faults in permanent magnet synchronous motors (PMSMs) ... -
Mathematical modeling of battery degradation based on direct measurements and signal processing methods
(Multidisciplinary Digital Publishing Institute, 2023-04-14)
Article
Accés obertThis paper proposes and evaluates the behavior of a new health indicator to estimate the capacity fade of lithium-ion batteries and their state of health (SOH). This health indicator is advantageous because it does not ... -
Measurement of corona discharges under variable geometry, frequency and pressure environment
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-02-26)
Article
Accés obertAeronautical industry is evolving towards more electric aircrafts (MEA), which will require much more electrical power compared to conventional models. To satisfy this increasing power demand and stringent weight requirements, ... -
Mixed resistive unbalance and winding inter-turn faults model of permanent magnet synchronous motors
(2015-03-01)
Article
Accés obertThis work analyzes the behavior of surface-mounted permanent magnet synchronous motors (SPMSMs) operating under stator faults. The studied faults are resistive unbalance and winding inter-turn short circuits, which may ... -
Modeling of a DC-DC bidirectional converter used in mild hybrid electric vehicles from measurements
(2021-10-13)
Article
Accés obertThis paper presents a non-intrusive approach for modeling a bidirectional DC-DC converter used in mild hybrid electric vehicles. A black-box identification methodology is proposed to find a model based on the data acquired ... -
Modeling of surface-mounted permanent magnet synchronous motors with stator winding inter-turn faults
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011-05-29)
Article
Accés restringit per política de l'editorialThis paper develops and analyzes a parametric model for simulating healthy and faulty surface-mounted permanent magnet synchronous motors. It allows studying the effects of stator winding interturn short-circuit faults. ... -
Multi electrical machine pre-design tool with error handling and machine specific advanced graphical design aid features based on Modelica
(2015)
Text en actes de congrés
Accés obertThis paper presents a design tool for Induction Machines, Permanent Magnet Synchronous Machines, Externally Excited Synchronous Machines and Switched Reluctance Machines. This software, based on ... -
Multi-objective optimal design of a five-phase fault-tolerant axial flux PM motor
(2015)
Article
Accés obertElectric motors used for traction purposes in electric vehicles (EVs) must meet several requirements, including high efficiency, high power density and faulttolerance. Among them, permanent magnet synchronous motors (PMSMs) ... -
Multivariable methods applied to FTIR: a powerful technique to highlight architectural changes in poly(lactic acid)
(Elsevier, 2018-02-01)
Article
Accés obertThe structural modifications of a commercially available poly(lactid acid) grade were induced through reactive extrusion using a multi-epoxide reactive agent in a pilot plant. The statistical nature of the chemical reactions ... -
Multivariate identification of extruded PLA samples from the infrared spectrum
(Springer, 2020-01)
Article
Accés obertPolylactic acid (PLA) is a biodegradable thermoplastic polymer that is presented as a good alternative to petroleum-derived plastics. Some of the major drawbacks of this material are its lack of thermal stability and rapid ... -
Non-Intrusive parameter identification of a three-phase rectifier based on an optimization approach
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés restringit per política de l'editorialSix-pulse diode rectifiers are widely used in many power conversion systems. In this work a non-intrusive approach for parameter identification of such power device is presented and its accuracy and performance is evaluated ... -
Non-linear least squares optimization for parametric identification of DC-DC converters
(Institute of Electrical and Electronics Engineers (IEEE), 2020-06-19)
Article
Accés obertSwitching mode power converters are being extensively applied in different power conversion systems. Parameter identification comprises a set of techniques focused on extracting the relevant parameters of the converters ... -
On-line core losses determination in ACSR conductors for DLR applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-04)
Article
Accés obertDynamic line rating (DLR) is a method that focuses on dynamically determining the maximum allowable current of power lines, while ensuring they operate within safe limits. DLR needs to monitor the temperature and current ... -
On-line fault detection method for induction machines based on signal convolution
(2010-06-28)
Article
Accés obertA new technique for induction motor fault detection and diagnosis is presented. This technique, which has been experimentally verified in stationary and non-stationary motor conditions, is based on the convolution of ... -
On-line health condition monitoring of power connectors focused on predictive maintenance
(Institute of Electrical and Electronics Engineers (IEEE), 2020-12-16)
Article
Accés obertElectrical power connectors are critical points of electrical networks. Failure in high-voltage connectors may result in major power outages, safety risks and important economic consequences. Therefore, there is an imperious ... -
On-line remaining useful life estimation of power connectors focused on predictive maintenance
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-27)
Article
Accés obertConnections are critical elements in power systems, exhibiting higher failure probability. Power connectors are considered secondary simple devices in power systems despite their key role, since a failure in one such element ... -
On-line resistance measurement of substation connectors focused on predictive maintenance
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertTo detect faults in their early stage in a substation, it is necessary to monitor, measure and analyze periodically the health condition of the electrical connectors, which are among the most critical devices in such ... -
Optimal design of a three-phase AFPM for in-wheel electrical traction
(2014)
Comunicació de congrés
Accés obertSinusoidally fed permanent magnet synchronous motors (PMSM) fulfill the special features required for traction motors to be applied in electric vehicles (EV). Among them, axial flux permanent magnet (AFPM) synchronous ... -
Optimal fitting of high-frequency cable model parameters by applying evolutionary algorithms
(2017-05-01)
Article
Accés obertDue to the widespread use of electronic power converters, low-voltage high-frequency cable models are being increasingly applied in industry, automobile or aeronautics applications among others. It is known that depending ...
