All Outputs (19)

Very Accurate Time-Frequency Representation of Induction Motors Harmonics for Fault Diagnosis Under Load Variations (2024)
Journal Article
Bonet-Jara, J., Fernandez-Cavero, V., Vedreno-Santos, F., Morinigo-Sotelo, D., & Pons-Llinares, J. (in press). Very Accurate Time-Frequency Representation of Induction Motors Harmonics for Fault Diagnosis Under Load Variations. IEEE Transactions on Indust

Induction motors work under steady-state in many applications. Nevertheless, in some cases they experience periodic load fluctuations, which generate constant frequency harmonics close to variable frequency bar breakage harmonics. In these cases, tim... Read More about Very Accurate Time-Frequency Representation of Induction Motors Harmonics for Fault Diagnosis Under Load Variations.

Individual Cell-Level Temperature Monitoring of a Lithium-Ion Battery Pack (2023)
Journal Article
Alcock, K. M., González-Vila, Á., Beg, M., Vedreño-Santos, F., Cai, Z., Alwis, L. S. M., & Goh, K. (2023). Individual Cell-Level Temperature Monitoring of a Lithium-Ion Battery Pack. Sensors, 23(9), Article 4306. https://doi.org/10.3390/s23094306

The work described herein details the deployment of an optical fibre strand with five fibre Bragg grating (FBG) sensors for individual cell-level temperature monitoring of a three-cell lithium-ion battery pack. A polymer guide tube with 3D printed pl... Read More about Individual Cell-Level Temperature Monitoring of a Lithium-Ion Battery Pack.

Very Accurate Time-Frequency Representation of Induction Motors Harmonics for Fault Diagnosis Under Arbitrary Load Variations (2022)
Presentation / Conference Contribution
Bonet-Jara, J., Fernandez-Cavero, V., Vedreno Santos, F., & Pons-Llinares, J. (2022). Very Accurate Time-Frequency Representation of Induction Motors Harmonics for Fault Diagnosis Under Arbitrary Load Variations. In 2022 International Conference on Elect

Induction motors work under steady state in many applications. Nevertheless, in some cases (e.g., wood cutting machine or pulp mixer in paper industries), the load continuously varies. In these cases, time-frequency transforms are needed to detect th... Read More about Very Accurate Time-Frequency Representation of Induction Motors Harmonics for Fault Diagnosis Under Arbitrary Load Variations.

Performance of Superconducting Generators with Different Topologies under Fault Conditions (2019)
Presentation / Conference Contribution
Guan, Y., Vedreno Santos, F., Azar, Z., Thomas, A., Li, G., Odavic, M., & Zhu, Z. Performance of Superconducting Generators with Different Topologies under Fault Conditions. Presented at The 9th International Conference on Power Electronics, Machines and

This paper compares the short-circuit performance of superconducting (SC) generators with three different topologies, i.e., iron-cored stator and rotor, iron-cored stator and air-cored rotor, and air-cored stator and rotor. The analysis is based on t... Read More about Performance of Superconducting Generators with Different Topologies under Fault Conditions.

Design considerations for high-power converters interfacing 10 MW superconducting wind power generators (2017)
Journal Article
Vedreño Santos, F., Odavic, M., Guan, Y., Azar, Z., Thomas, A., Li, G., & Zhu, Z. (2017). Design considerations for high-power converters interfacing 10 MW superconducting wind power generators. IET Power Electronics, 10(12), 1461-1467. https://doi.org

The design of power electronic converters for the integration of wind generated power into the grid is more and more important due to a new class of Superconducting Generators (SG) with power ratings of up to 20 MW. High efficiency of power converter... Read More about Design considerations for high-power converters interfacing 10 MW superconducting wind power generators.

Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines (2017)
Journal Article
Guan, Y., Zhu, Z. Q., Azar, Z., Thomas, A. S., Vedreño-Santos, F., Li, G., & Odavic, M. (2017). Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines. IEEE Transact

This paper compares the electromagnetic performance of 10MW superconducting (SC) generators with three different topologies, i.e., iron-cored stator and rotor (ISIRT), iron-cored stator and air-cored rotor (ISART), and air-cored stator and rotor (ASA... Read More about Comparison of Electromagnetic Performance of 10-MW Superconducting Generators With Different Topologies for Offshore Direct-Drive Wind Turbines.

Influence of pole number and stator outer diameter on volume, weight and cost of superconducting generator with iron-cored rotor topology for wind turbines. (2017)
Journal Article
Guan, Y., Zhu, Z. Q., Li, G., Azar, Z., Thomas, A. S., Vedreño-Santos, F., & Odavic, M. (2017). Influence of pole number and stator outer diameter on volume, weight and cost of superconducting generator with iron-cored rotor topology for wind turbines. I

This paper investigates the influence of pole number and stator outer diameter on the performance of superconducting (SC) generators. The SC generator has an iron-cored rotor topology. Firstly, the generator structure is introduced and the optimizati... Read More about Influence of pole number and stator outer diameter on volume, weight and cost of superconducting generator with iron-cored rotor topology for wind turbines..

Comparison of Peak Armature and Field Winding Currents for Different Topologies of 10-MW Superconducting Generators Under Short-Circuit Conditions (2016)
Journal Article
Guan, Y., Vedreno-Santos, F., Li, G. J., Azar, Z., Thomas, A. S., Li, G., …Zhu, Z. Q. (2016). Comparison of Peak Armature and Field Winding Currents for Different Topologies of 10-MW Superconducting Generators Under Short-Circuit Conditions. IEEE Transa

This paper studies the peak armature and peak field winding currents for three different topologies of 10 MW partial High Temperature Superconducting Generators (HTSGs) under Short-Circuit Conditions (SCC) by simulation. The investigated partial HTSG... Read More about Comparison of Peak Armature and Field Winding Currents for Different Topologies of 10-MW Superconducting Generators Under Short-Circuit Conditions.

Transient diagnosis of induction generators via atom-based time-frequency transforms (2014)
Presentation / Conference Contribution
Pons-Llinares, J., Riera-Guasp, M., Antonino-Daviu, J. A., & Vedreno-Santos, F. (2014, September). Transient diagnosis of induction generators via atom-based time-frequency transforms. Presented at 2014 International Conference on Electrical Machines (ICE

Induction generators used in windmills usually work in non-stationary conditions, due to the varying speed of the wind. Therefore, in order to perform its diagnosis through the stator current analysis, adequate time-frequency transforms must be used.... Read More about Transient diagnosis of induction generators via atom-based time-frequency transforms.

Diagnosis of Rotor and Stator Asymmetries in Wound-Rotor Induction Machines Under Nonstationary Operation Through the Instantaneous Frequency (2014)
Journal Article
Vedreno-Santos, F., Riera-Guasp, M., Henao, H., Pineda-Sanchez, M., & Puche-Panadero, R. (2014). Diagnosis of Rotor and Stator Asymmetries in Wound-Rotor Induction Machines Under Nonstationary Operation Through the Instantaneous Frequency. IEEE Transactio

This paper proposes a methodology to improve the reliability of diagnosis of different types of faults in wound-rotor induction generators which work under variable load conditions, as in wind turbine applications; the method is based on the extracti... Read More about Diagnosis of Rotor and Stator Asymmetries in Wound-Rotor Induction Machines Under Nonstationary Operation Through the Instantaneous Frequency.

Vibration Transient Detection of Broken Rotor Bars by PSH Sidebands (2013)
Journal Article
Climente-Alarcon, V., Antonino-Daviu, J. A., Vedreno-Santos, F., & Puche-Panadero, R. (2013). Vibration Transient Detection of Broken Rotor Bars by PSH Sidebands. IEEE Transactions on Industry Applications, 49(6), 2576-2582. https://doi.org/10.1109/tia.20

In recent years, the study of transients of induction motors for diagnosis purposes has gained strength in order to overcome some inherent problems of the classical diagnosis of such machines, which uses Fourier analysis of steady-state quantities. N... Read More about Vibration Transient Detection of Broken Rotor Bars by PSH Sidebands.

Diagnosis of induction machines under non-stationary conditions by means of the spectral filter (2013)
Presentation / Conference Contribution
Vedreno-Santos, F., Riera-Guasp, M., & Pineda-Senchez, M. (2013). Diagnosis of induction machines under non-stationary conditions by means of the spectral filter. In Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED), 2013 9th IEEE

This paper introduces a new way to extract the fault components of a signal by means of a new proposed filter based on the Sampling Theorem and the properties of Discrete Fourier Transform. The proposed method is able to extract fault components... Read More about Diagnosis of induction machines under non-stationary conditions by means of the spectral filter.

Diagnosis of induction machines under non-stationary conditions: Concepts and tools (2013)
Presentation / Conference Contribution
Riera-Guasp, M., Pons-Llinares, J., Climente-Alarcon, V., Vedreno-Santos, F., Pineda-Sanchez, M., Antonino-Daviu, J., …Roger-Folch, J. (2013). Diagnosis of induction machines under non-stationary conditions: Concepts and tools. In 2013 IEEE Workshop on

This paper is focused on fault diagnostic methodologies suited for induction machines which are subjected to fluctuating loads and speeds during their normal duty cycle. In these cases, the load and speed fluctuate continuously, near their rated... Read More about Diagnosis of induction machines under non-stationary conditions: Concepts and tools.

Electric machines diagnosis techniques via transient current analysis (2012)
Presentation / Conference Contribution
Pons-Llinares, J., Climente-Alarcon, V., Vedreno-Santos, F., Antonino-Daviu, J., & Riera-Guasp, M. (2012). Electric machines diagnosis techniques via transient current analysis. In IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Socie

Induction motor condition monitoring has primarily relied on the analysis of currents during steady-state operation through the Fast Fourier Transform (FFT). Nonetheless, this conventional approach has many constraints, most of them related to th... Read More about Electric machines diagnosis techniques via transient current analysis.

Diagnosis of eccentricity in induction machines working under fluctuating load conditions, through the instantaneous frequency (2012)
Presentation / Conference Contribution
Vedreno-Santos, F., Riera-Guasp, M., Henao, H., Pineda-Sanchez, M., & Antonino-Daviu, J. A. (2012). Diagnosis of eccentricity in induction machines working under fluctuating load conditions, through the instantaneous frequency. In IECON 2012 - 38th Annua

This paper introduces a methodology for diagnosing mixed eccentricity fault in squirrel cage induction machines which work under variable load conditions in generator or motor mode; the method is based on the extraction of the instantaneous frequ... Read More about Diagnosis of eccentricity in induction machines working under fluctuating load conditions, through the instantaneous frequency.

Diagnosis of faults in induction generators under fluctuating load conditions through the instantaneous frequency of the fault components (2012)
Presentation / Conference Contribution
Vedreno-Santos, F., Riera-Guasp, M., Henao, H., & Pineda-Sanchez, M. (2012). Diagnosis of faults in induction generators under fluctuating load conditions through the instantaneous frequency of the fault components. In 2012 XXth International Conference

This paper introduces a methodology for improving the reliability of diagnosis of different types of faults in wound rotor induction generators which works under variable load conditions; the method is based on the extraction of the Instantaneous... Read More about Diagnosis of faults in induction generators under fluctuating load conditions through the instantaneous frequency of the fault components.

Vibration transient detection of broken bars by PSH sidebands (2012)
Presentation / Conference Contribution
Climente-Alarcon, V., Antonino-Daviu, J., Vedreno-Santos, F., & Puche-Panadero, R. (2012). Vibration transient detection of broken bars by PSH sidebands. In 2012 XXth International Conference on Electrical Machines (ICEM). https://doi.org/10.1109/icelma

Abstract: In recent years, the study of transients of induction motors for diagnosis purposes has gained strength in order to overcome some inherent problems of the classical diagnosis of such machines, which uses Fourier analysis of steady-state qu... Read More about Vibration transient detection of broken bars by PSH sidebands.

Diagnosis of rotor asymmetries in wound rotor induction generators operating under varying load conditions via the Wigner-Ville Distribution (2012)
Presentation / Conference Contribution
Climente-Alarcon, V., Riera-Guasp, M., Antonino-Daviu, J., Roger-Folch, J., & Vedreno-Santos, F. (2012). Diagnosis of rotor asymmetries in wound rotor induction generators operating under varying load conditions via the Wigner-Ville Distribution. In 2012

Fault diagnosis in wind generators is drawing increasing attention among the scientific community and maintenance companies, due to the crucial contribution of this renewable power source in the electric power generation map. These machines usual... Read More about Diagnosis of rotor asymmetries in wound rotor induction generators operating under varying load conditions via the Wigner-Ville Distribution.

Evaluation of the amplitudes of high-order fault related components in double bar faults (2011)
Presentation / Conference Contribution
Riera-Guasp, M., Pons-Llinares, J., Vedreno-Santos, F., Antonino-Daviu, J., & Fernandez Cabanas, M. (2011). Evaluation of the amplitudes of high-order fault related components in double bar faults. In 2011 IEEE International Symposium on Diagnostics for

This paper addresses the problem of diagnosing cage motors with double bar breakages involving nonconsecutive rotor bars. As it is stated in previous works, the conventional diagnosis approaches fail when diagnosing this fault for certain relativ... Read More about Evaluation of the amplitudes of high-order fault related components in double bar faults.