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Listar por palabra clave "Transient analysis"

Mostrando ítems 1-20 de 40

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A comparison of techniques for fault detection in inverter-fed induction motors in transient regime

Fernandez-Cavero, Vanessa; Morinigo-Sotelo, Daniel; Duque-Perez, Oscar; Pons Llinares, Joan (Institute of Electrical and Electronics Engineers, 2017)

[EN] Fault detection in induction motors operating in non-stationary regimes has become a need in today's industry. Most of the works published deal with line-fed motors. Nevertheless, the number of inverterfed induction ...
A General Approach for the Transient Detection of Slip-Dependent Fault Components Based on the Discrete Wavelet Transform

Riera-Guasp, Martín; Antonino-Daviu, J.; Pineda-Sanchez, Manuel; Puche-Panadero, Rubén; Pérez-Cruz, Juan (Institute of Electrical and Electronics Engineers, 2008)

[EN] In this paper, a general methodology based on the application of discrete wavelet transform (DWT) to the diagnosis of the cage motor condition using transient stator currents is exposed. The approach is based on ...
Advanced analysis of motor currents for the diagnosis of the rotor condition in electric motors operating in mining facilities

Antonino-Daviu, Jose A.; Quijano-Lopez, Alfredo; Rubbiolo, Martin; Climente Alarcon, Vicente (Institute of Electrical and Electronics Engineers, 2018)

[EN] Predictive maintenance of electric motors is a topic of increasing importance in many industrial applications. The mining industry is not an exception; many electric motors operating in mining facilities are critical ...
Advanced Induction Motor Rotor Fault Diagnosis via Continuous and Discrete Time-Frequency Tools

Pons Llinares, Joan; Antonino Daviu, José Alfonso; Riera-Guasp, Martín; Lee, Sang Bin; Kang, Tae-june; Yang, Chanseung (Institute of Electrical and Electronics Engineers (IEEE), 2015-03)

Transient-based fault diagnosis in induction motors has gained increasing attention over the recent years. This is due to its ability to avoid eventual wrong diagnostics of the conventional motor current signature analysis ...
Advanced Rotor Fault Diagnosis for Medium-Voltage Induction Motors Via Continuous Transforms

Antonino-Daviu, J.; Pons Llinares, Joan; Lee, Sang Bin (Institute of Electrical and Electronics Engineers, 2016)

[EN] Anumber of field case studies for rotor fault diagnosis on medium-voltage induction motors operating in a petrochemical plant are presented in this paper. The methodology employed is based on analyzing the induction ...
Aplicación de la técnica de análisis de flujo de dispersión para la detección de fallos electromecánicos en motores accionados mediante arrancadores estáticos

Navarro Navarro, Ángela (Universitat Politècnica de València, 2021-10-26)

[ES] El presente trabajo pretende comprobar la validez de la técnica de diagnóstico del flujo de dispersión en lo que respecta a la detección de fallos en motores eléctricos de inducción arrancados mediante arrancadores ...
Aplicación de técnicas de análisis del flujo magnético de dispersión para la detección de asimetrías rotóricas en máquinas de inducción de rotor bobinado

Sintes Fernández, Jorge (Universitat Politècnica de València, 2019-09-17)

[ES] El objeto de este trabajo es estudiar la efectividad de las técnicas basadas en análisis de flujo de dispersión para la detección de asimetrías en el devanado del rotor en máquinas asíncronas de rotor bobinado. Estas ...
Automatic diagnosis of electromechanical faults in induction motors based on the transient analysis of the stray flux via MUSIC methods

Zamudio-Ramírez, Israel; Ramirez-Núñez, Juan Angel; Antonino Daviu, José Alfonso; Osornio-Rios, Roque A.; Quijano-Lopez, Alfredo; Razik, Hubert; Romero-Troncoso, Rene de Jesus (Institute of Electrical and Electronics Engineers, 2020-08)

[EN] In the induction motor predictive maintenance area, there is a continuous search for new techniques and methods that can provide additional information for a more reliable determination of the motor condition. In this ...
Characterizing the effects of water distribution system topology modifications on its dynamic behaviour through connectivity metrics

Marsili, Valentina; Alvisi, Stefano; Maietta, Filomena; Capponi, Caterina; Meniconi, Silvia; Brunone, Bruno; Franchini, Marco (Editorial Universitat Politècnica de València, 2024-03-06)

[EN] Water distribution networks (WDNs) are complex combinations of nodes and links and their structure has an impact on their behaviour, considering both quantitative (i.e. related to pipe flows and nodal pressures) and ...
Combined Model for Simulating the Effect of Transients on a Damaged Rotor Cage

Climente Alarcón, Vicente; Nair, Devi; Sundaria, Ravi; Antonino-Daviu, J.; Arkkio, A. (Institute of Electrical and Electronics Engineers, 2017)

[EN] The expansion of the transient operation of electrical machines as, for instance, in vehicle traction applications, demands an accurate computation of the thermal behavior under these conditions in order to enhance ...
Comprehensive Diagnosis of Localized Rolling Bearing Faults during Rotating Machine Start-Up via Vibration Envelope Analysis

Ruiz-Sarrió, José Enrique; Antonino-Daviu, Jose A.; Martis, Claudia (MDPI AG, 2024-01)

[EN] The analysis of electrical machine faults during start-up, and variable speed and load conditions offers numerous advantages for fault detection and diagnosis. In this context, diagnosing localized bearing faults ...
Detection and quantification of bar breakage harmonics evolutions in inverter-fed motors through the dragon transform

Fernández-Cavero, V.; Pons Llinares, Joan; Duque-Perez, Oscar; Morinigo-Sotelo, D. (Elsevier, 2021-03)

[EN] The problem of detecting and quantifying bar breakage harmonics in inverter-fed induction motors has not been solved by the time-frequency transforms present in the technical literature. The paper proposes a new ...
Detection of Broken Outer-Cage Bars for Double-Cage Induction Motors Under the Startup Transient

Antonino-Daviu, J.; Riera-Guasp, Martín; Pons Llinares, Joan; Park, Jongbin; Lee, Sang Bin; Yoo, Jiyoon; Kral, Christian (Institute of Electrical and Electronics Engineers, 2012)

[EN] Unlike single-cage rotor fault detection, fast Fourier transform (FFT)-based steady-state spectrum analysis techniques can fail to detect outer-cage faults in double-cage induction motors due to the small outer-cage ...
Detection of Field Winding Faults in Synchronous Motors via Analysis of Transient Stray Fluxes and Currents

Tian, P.; Antonino Daviu, José Alfonso; Platero, C.A.; Dunai, Larisa (Institute of Electrical and Electronics Engineers, 2021-09)

[EN] The detection of rotor failures in synchronous motors is a matter of primordial interest in many industrial sites where these machines are critical assets. However, due to the particular operation of these motors, ...
Detection of Winding Asymmetries in Wound-Rotor Induction Motors via Transient Analysis of the External Magnetic Field

Zamudio-Ramírez, Israel; Antonino Daviu, José Alfonso; Osornio-Rios, Roque A.; Romero-Troncoso, Rene de Jesus; Razik, Hubert (Institute of Electrical and Electronics Engineers, 2020-06)

[EN] Over recent decades, the detection of faults in induction motors (IMs) has been mainly focused in cage motors due to their extensive use. However, in recent years, wound-rotor motors have received special attention ...
Diagnosis of Broken Rotor Bars during the Startup of Inverter-Fed Induction Motors Using the Dragon Transform and Functional ANOVA

Fernández-Cavero, Vanesa; García-Escudero, Luis A.; Pons Llinares, Joan; Fernández-Temprano, Miguel A.; Duque-Perez, Oscar; Morinigo-Sotelo, Daniel (MDPI AG, 2021-05)

[EN] A proper diagnosis of the state of an induction motor is of great interest to industry given the great importance of the extended use of this motor. Presently, the use of this motor driven by a frequency converter is ...
Diagnosis of rotor asymmetries in induction motors based on the transient extraction of fault components using filtering techniques

Riera-Guasp, Martín; Antonino-Daviu, J.; Rusek, Jan; Roger-Folch, José (Elsevier, 2009)

[EN] The aim of this paper is to present and validate a methodology for diagnosing rotor asymmetries in cage motors, based on the analysis of the stator startup current. The method consists of the extraction of a harmonic ...
Electrical monitoring under transient conditions: a new paradigm in electric motors predictive maintenance

Antonino Daviu, José Alfonso (MDPI AG, 2020-09)

[EN] Electric motors condition monitoring is a field of paramount importance for industry. In recent decades, there has been a continuous effort to investigate on new techniques and methods that are able to determine the ...
Evaluation of the Damper Condition in Synchronous Motors through the Analysis of the Transient Stray Fluxes and Currents considering the Effect of the Remanent Magnetism

Castro-Coronado, Habib; Antonino-Daviu, Jose A.; Quijano-Lopez, Alfredo; Llovera Segovia, Pedro; Fuster Roig, Vicente Luis; Serrano Iribarnegaray, Luís; Dunai, Larisa (Institute of Electrical and Electronics Engineers, 2021-09)

[EN] This paper proposes the qualitative and quantitative analysis of stray-flux and current data under starting to detect damper faults in cylindrical rotor synchronous machines. These machines are typically employed in ...
Evaluation of the detectability of electromechanical faults in induction motors via transient analysis of the stray flux

Ramirez-Nunez, Juan A.; Antonino-Daviu, Jose; Climente Alarcon, Vicente; Quijano-Lopez, Alfredo; Razik, Hubert; Osornio-Rios, Roque A.; Romero-Troncoso, Rene J. (Institute of Electrical and Electronics Engineers, 2018)

[EN] The stray flux that is present in the vicinity of an induction motor is a very interesting information source to detect several types of failures in these machines. The analysis of this quantity can be employed, in ...