Outputs (63)

Electrical & Mechanical Diagnostic Indicators of Wind Turbine Induction Generator Rotor Faults (2018)
Journal Article
Zappalá, D., Sarma, N., Djurović, S., Crabtree, C., Mohammad, A., & Tavner, P. (2019). Electrical & Mechanical Diagnostic Indicators of Wind Turbine Induction Generator Rotor Faults. Renewable Energy, 131, 14-24. https://doi.org/10.1016/j.renene.2018.06.098

In MW-sized wind turbines, the most widely-used generator is the wound rotor induction machine, with a partially-rated voltage source converter connected to the rotor. This generator is a significant cause of wind turbine fault modes. In this paper,... Read More about Electrical & Mechanical Diagnostic Indicators of Wind Turbine Induction Generator Rotor Faults.

Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes (2018)
Journal Article
Zappalá, D., Bezziccheri, M., Crabtree, C., & Paone, N. (2018). Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes. Measurement Science and Technology, 29(6), Article 065207. https://doi.org/10.1088/1361-6501/aab74a

Non-intrusive, reliable and precise torque measurement is critical to dynamic performance monitoring, control and condition monitoring of rotating mechanical systems. This paper presents a novel, contactless torque measurement system consisting of tw... Read More about Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes.

Power Converter Junction Temperature Measurement using Infra-red Sensor (2018)
Presentation / Conference Contribution
Smith, C., Zappalá, D., Crabtree, C., Lapiedra, J., & Mulholland, B. (2018, April). Power Converter Junction Temperature Measurement using Infra-red Sensor. Paper presented at International Conference on Power Electronics, Machines and Drives, Liverpool, UK

Automated Fault Detection in Wind Turbine Induction Generators with Rotor Electrical Asymmetry (2018)
Presentation / Conference Contribution
Brigham, K., Zappalá, D., Crabtree, C., & Donaghy-Spargo, C. (2018, April). Automated Fault Detection in Wind Turbine Induction Generators with Rotor Electrical Asymmetry. Paper presented at International Conference on Power Electronics, Machines and Drives, Liverpool, UK

An Effective Approach for Rotor Electrical Asymmetry Detection in Wind Turbine DFIGs (2018)
Journal Article
Ibrahim, R. K., Watson, S. J., Djurović, S., & Crabtree, C. J. (2018). An Effective Approach for Rotor Electrical Asymmetry Detection in Wind Turbine DFIGs. IEEE Transactions on Industrial Electronics, 65(11), 8872-8881. https://doi.org/10.1109/tie.2018.2811373

Determining the magnitude of particular fault signature components (FSCs) generated by wind turbine (WT) faults from current signals has been used as an effective way to detect early abnormalities. However, the WT current signals are time-varying due... Read More about An Effective Approach for Rotor Electrical Asymmetry Detection in Wind Turbine DFIGs.

Converter Reliability in Wind Turbines today – Onshore & Offshore (2017)
Presentation / Conference Contribution
Zappalá, D., Crabtree, C., Smith, C., Lapiedra, J., & Mulholland, B. (2017, September). Converter Reliability in Wind Turbines today – Onshore & Offshore. Paper presented at HUSUM Wind 2017, Husum, Germany

Impact of wind conditions on thermal loading of PMSG wind turbine power converters (2017)
Journal Article
Smith, C., Crabtree, C., & Matthews, P. (2017). Impact of wind conditions on thermal loading of PMSG wind turbine power converters. IET Power Electronics, 10(11), 1268-1278. https://doi.org/10.1049/iet-pel.2016.0802

Power converter reliability is critical for permanent magnet synchronous generator (PMSG) wind turbines. Converter failures are linked to power module thermal loading but studies often neglect turbine dynamics, control and the impact of wind speed sa... Read More about Impact of wind conditions on thermal loading of PMSG wind turbine power converters.

UK Wind Energy Technologies (2016)
Book
Hogg, S., & Crabtree, C. (Eds.). (2016). UK Wind Energy Technologies. Routledge

Monitoring Wind Turbine Loading Using Power Converter Signals (2016)
Journal Article
Rieg, C., Smith, C., & Crabtree, C. (2016). Monitoring Wind Turbine Loading Using Power Converter Signals. Journal of Physics: Conference Series, 749(1), Article 012018. https://doi.org/10.1088/1742-6596/749/1/012018

The ability to detect faults and predict loads on a wind turbine drivetrain's mechanical components cost-effectively is critical to making the cost of wind energy competitive. In order to investigate whether this is possible using the readily availab... Read More about Monitoring Wind Turbine Loading Using Power Converter Signals.

Reliability and condition monitoring (2016)
Book Chapter
Zappalá, D., Crabtree, C., & Tavner, P. (2016). Reliability and condition monitoring. In S. Hogg, & C. Crabtree (Eds.), UK Wind Energy Technologies (76-136). Routledge