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Browsing by Subject "Transient analysis"

Now showing items 1-20 of 21

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 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 técnicas de análisis del flujo magnético de dispersión para la detección de asimetrías rotóricas en máquinas de inducción de rotor bobinado.

Sintes Fernández, Jorge (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 ...
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 ...
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 ...
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 ...
Induction Motor Diagnosis based on a Transient Current Analytic Wavelet Transform via Frequency B-Splines

Pons Llinares, Joan; Antonino Daviu, J.; Riera-Guasp, Martín; Pineda Sánchez, Manuel; Climente Alarcón, Vicente (Institute of Electrical and Electronics Engineers (IEEE), 2011-05)

[EN] In this paper, a new induction motor diagnosis methodology is proposed. The approach is based on obtaining a 2-D time–frequency plot representing the time–frequency evolution of the main components in an electrical ...
Influence of the start-up system in the diagnosis of faults in the rotor of induction motors using the Discrete Wavelet Transform

Corral Hernández, Jesús Ángel; Antonino Daviu, José Alfonso (Elsevier, 2016)

[EN] In previous articles, both the procedure and the advantages of the use of advanced mathematical tools,(as for example the Discrete Wavelet Transforms (DWT) and the continuous wavelet transforms (CWT)), for the ...
Mixed eccentricity diagnosis in Inverter-Fed Induction Motors via the Adaptive Slope Transform of transient stator currents

Pons Llinares, Joan; Antonino-Daviu, J.; Roger-Folch, José; Moriñigo Sotelo, Daniel; Duque Pérez, Oscar (Elsevier, 2014)

[EN] This paper researches the detection of mixed eccentricity in Inverter-Fed Induction Motors. The classic FFT method cannot be applied when the stator current captured is not in steady state, which is very common in ...
Pursuing optimal electric machines transient diagnosis: The adaptive slope transform

Pons Llinares, Joan; Riera-Guasp, Martín; Antonino-Daviu, José Alfonso; Habetler, TG (Elsevier, 2016)

[EN] The aim of this paper is to introduce a new linear time-frequency transform to improve the detection of fault components in electric machines transient currents. Linear transforms are analysed from the perspective of ...
Reliable Detection of Rotor Winding Asymmetries in Wound Rotor Induction Motors via Integral Current Analysis

Antonino-Daviu, J.; Quijano Lopez, Alfredo; Climente Alarcón, Vicente; Garín-Abellán, Carlos (Institute of Electrical and Electronics Engineers, 2017)

[EN] Current analysis has been widely employed in academy and industry for the diagnosis of rotor damages in cage induction motors. The conventional approach based on the FFT analysis of steady-state current (MCSA) has ...
Scale Invariant Feature Extraction Algorithm for the Automatic Diagnosis of Rotor Asymmetries in Induction Motors

Antonino-Daviu, J.; Aviyente, Selin; Strangas, Elias G.; Riera-Guasp, Martín (Institute of Electrical and Electronics Engineers, 2013)

[EN] The development of portable devices that make the reliable diagnosis of faults in electric motors possible has become a challenge for many researchers and maintenance enterprises. These machines intervene in a huge ...
The use of a Multi-label Classification Framework for the Detection of Broken Bars and Mixed Eccentricity Faults based on the Start-up Transient

Georgoulas, George; Climente Alarcón, Vicente; Antonino-Daviu, J.; Tsoumas, Ioannis P.; Stylios, Chrysostomos D.; Arkkio, Antero; Nikolakopoulos, George (Institute of Electrical and Electronics Engineers, 2016)

[EN] In this article a data driven approach for the classification of simultaneously occurring faults in an induction motor is presented. The problem is treated as a multi-label classification problem with each label ...
Toward condition monitoring of damper windings in synchronous motors via EMD analysis

Antonino-Daviu, J.; Riera-Guasp, Martín; Pons Llinares, Joan; Roger-Folch, José; PEREZ, R.; Charlton-Perez, Cristina (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2012)

[EN] Failures in damper windings of synchronous machines operating in real facilities have been recently reported by several authors and companies. These windings are crucial elements of synchronous motors and generators, ...
Transient analysis of the conventional filtered-x affine projection algorithm for active noise control

Ferrer Contreras, Miguel; González Salvador, Alberto; Diego Antón, María de; Piñero Sipán, María Gemma (Institute of Electrical and Electronics Engineers (IEEE), 2011-03)

[EN] Affine projection (AP) algorithms have been proposed in recent years for use in active noise control systems. This is due to their potential high convergence speed along with their robustness and moderate computational ...
Transient tracking of low and high-order eccentricity-related components in induction motors via TFD tools

Climente Alarcón, Vicente; Antonino-Daviu, J.; Riera-Guasp, Martín; Pons Llinares, Joan; Roger-Folch, José; Jover-Rodriguez, P.; Arkkio, A. (Elsevier, 2011)

[EN] The present work is focused on the diagnosis of mixed eccentricity faults in induction motors via the study of currents demanded by the machine. Unlike traditional methods, based on the analysis of stationary currents ...
Transient-based analysis for the detection of broken damper bars in synchronous motors

Antonino-Daviu, J.; Climente Alarcón, Vicente; Pons Llinares, Joan; Puche-Panadero, Rubén; Pineda-Sanchez, Manuel (Elsevier, 2013)

[EN] Synchronous generators and motors constitute critical elements in power generation plants and certain industrial facilities. Damper bars are crucial components of most of these synchronous machines. They enable, among ...
Transient-Based Rotor Cage Assessment in Induction Motors Operating With Soft Starters

Corral Hernández, Jesús Ángel; Antonino-Daviu, J.; Pons Llinares, Joan; Climente Alarcón, Vicente; Francés-Galiana, Vicente (Institute of Electrical and Electronics Engineers, 2015)

[EN] The reliable assessment of the rotor condition in induction motors is a matter of increasing concern in the industry. Although rotor damages are more likely in line-started motors operating under high inertias, some ...
Understanding air release through air valves

Carlos Alberola, María del Mar; Arregui de la Cruz, Francisco; Cabrera Marcet, Enrique; Palau, C.V. (American Society of Civil Engineers, 2011)

[EN] Water transients with entrapped air can originate large pressure peaks that can severely damage distribution networks. Entrapped air can have a damping or amplifying effect on these undesirable pressure peaks. ...