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Study of weather and location effects on wind turbine failure rates. (2012)
Journal Article
Tavner, P., Greenwood, D., Whittle, M., Gindele, R., Faulstich, S., & Hahn, B. (2012). Study of weather and location effects on wind turbine failure rates. Wind Energy, 16(2), 175-187. https://doi.org/10.1002/we.538

Understanding the availability of wind turbines (WT) is vital to maximize WT energy production and minimize the capital payback period. Previous work on this subject concentrated on reliability and the location of WT failure modes rather than root ca... Read More about Study of weather and location effects on wind turbine failure rates..

Condition Monitoring Power Module Solder Fatigue Using Inverter Harmonic Identification (2012)
Journal Article
Xiang, D., Ran, L., Tavner, P., Yang, S., Bryant, A., & Mawby, P. (2012). Condition Monitoring Power Module Solder Fatigue Using Inverter Harmonic Identification. IEEE Transactions on Power Electronics, 27(1), 235-247. https://doi.org/10.1109/tpel.2011.2160988

Condition monitoring power semiconductor devices can inform converter maintenance and reduce damage. This paper presents a method to monitor solder fatigue in a voltage source inverter insulated gate bipolar transistor power module by detecting the c... Read More about Condition Monitoring Power Module Solder Fatigue Using Inverter Harmonic Identification.

An industry-based survey of reliability in power electronic converters (2011)
Journal Article
Yang, S., Bryant, A., Mawby, P., Xiang, D., Ran, L., & Tavner, P. (2011). An industry-based survey of reliability in power electronic converters. IEEE Transactions on Industry Applications, 47(3), 1441-1451. https://doi.org/10.1109/tia.2011.2124436

A questionnaire survey was carried out to determine the industrial requirements and expectations of reliability in power electronic converters. The survey was subjective and conducted with a number of high-profile semiconductor manufacturers, integra... Read More about An industry-based survey of reliability in power electronic converters.

Wind turbine downtime and its importance for offshore deployment (2011)
Journal Article
Faulstich, S., Hahn, B., & Tavner, P. (2011). Wind turbine downtime and its importance for offshore deployment. Wind Energy, 14(3), 327-337. https://doi.org/10.1002/we.421

While the performance and the efficiency of wind turbines and their energy yields have been improved with time, their reliability still needs improvement, particularly when considering their deployment offshore. IWES has been gathering operational ex... Read More about Wind turbine downtime and its importance for offshore deployment.

Condition Monitoring for Device Reliability in Power Electronic Converters: A Review (2010)
Journal Article
Yang, S., Xiang, D., Bryant, A., Mawby, P., Ran, L., & Tavner, P. (2010). Condition Monitoring for Device Reliability in Power Electronic Converters: A Review. IEEE Transactions on Power Electronics, 25(11), 2734-2752. https://doi.org/10.1109/tpel.2010.2049377

Condition monitoring (CM) has already been proven to be a cost effective means of enhancing reliability and improving customer service in power equipment, such as transformers and rotating electrical machinery. CM for power semiconductor devices in p... Read More about Condition Monitoring for Device Reliability in Power Electronic Converters: A Review.

Early experiences with UK Round 1 offshore wind farms (2010)
Journal Article
Feng, Y., Tavner, P., & Long, H. (2010). Early experiences with UK Round 1 offshore wind farms. Energy, 163(4), 167-181. https://doi.org/10.1680/ener.2010.163.4.167

The UK government plans that offshore wind power should play a major part in meeting the UK’s renewable energy and carbon emission targets by 2020. The pioneer UK round 1 offshore wind farm projects, based on sites let in 2001, were supported by the... Read More about Early experiences with UK Round 1 offshore wind farms.

Detecting incipient wind turbine gearbox failure: a signal analysis method for on-line condition monitoring (2010)
Presentation / Conference Contribution
Crabtree, C., Feng, Y., & Tavner, P. (2010). Detecting incipient wind turbine gearbox failure: a signal analysis method for on-line condition monitoring.

Condition monitoring of wind turbines is gaining importance as turbines become larger and move to more inaccessible locations, such as offshore. Condition monitoring based on methods conventionally used in the power generation industry have been demo... Read More about Detecting incipient wind turbine gearbox failure: a signal analysis method for on-line condition monitoring.

Condition monitoring of the power output of wind turbine generators using wavelets (2010)
Journal Article
Watson, S., Xiang, J., Yang, W., Tavner, P., & Crabtree, C. (2010). Condition monitoring of the power output of wind turbine generators using wavelets. IEEE Transactions on Energy Conversion, 25(3), 715-721. https://doi.org/10.1109/tec.2010.2040083

With an increasing number of wind turbines being erected offshore, there is a need for cost-effective, predictive, and proactive maintenance. A large fraction of wind turbine downtime is due to bearing failures, particularly in the generator and gear... Read More about Condition monitoring of the power output of wind turbine generators using wavelets.

Failure Modes and Effects Analysis (FMEA) for wind turbines (2010)
Journal Article
Arabian-Hoseynabadi, H., Oraee, H., & Tavner, P. (2010). Failure Modes and Effects Analysis (FMEA) for wind turbines. International Journal of Electrical Power & Energy Systems, 32(7), 817-824. https://doi.org/10.1016/j.ijepes.2010.01.019

The Failure Modes and Effects Analysis (FMEA) method has been used to study the reliability of many different power generation systems. This paper now applies that method to a wind turbine (WT) system using a proprietary software reliability analysis... Read More about Failure Modes and Effects Analysis (FMEA) for wind turbines.

Wind turbine productivity considering electrical subassembly reliability (2010)
Journal Article
Arabian-Hoseynabadi, H., Oraee, H., & Tavner, P. (2010). Wind turbine productivity considering electrical subassembly reliability. Renewable Energy, 35(1), 190-197. https://doi.org/10.1016/j.renene.2009.04.014

This paper proposes a reliability model for the electrical subassemblies of geared wind turbine systems with induction generators. The model is derived considering the failure of main subassemblies and their parameters are calculated. A productivity... Read More about Wind turbine productivity considering electrical subassembly reliability.

Cost-effective condition monitoring for wind turbines (2010)
Journal Article
Yang, W., Tavner, P., Crabtree, C., & Wilkinson, M. (2010). Cost-effective condition monitoring for wind turbines. IEEE Transactions on Industrial Electronics, 57(1), 263-271. https://doi.org/10.1109/tie.2009.2032202

Cost-effective wind turbine (WT) condition monitoring assumes more importance as turbine sizes increase and they are placed in more remote locations, for example, offshore. Conventional condition monitoring techniques, such as vibration, lubrication... Read More about Cost-effective condition monitoring for wind turbines.

Reliability comparison of direct-drive and geared-drive wind turbine concepts (2010)
Journal Article
Arabian-Hoseynabadi, H., Tavner, P., & Oraee, H. (2010). Reliability comparison of direct-drive and geared-drive wind turbine concepts. Wind Energy, 13(1), 62-73. https://doi.org/10.1002/we.357

This paper proposes for wind turbines (WTs) an analytical reliability method, used on other engineering systems, to compare the reliability of different turbine concepts. The main focus of the paper is to compare the reliability of geared generator a... Read More about Reliability comparison of direct-drive and geared-drive wind turbine concepts.

Reliability of wind turbine subassemblies (2009)
Journal Article
Spinato, F., Tavner, P., van Bussel, G., & Koutoulakos, E. (2009). Reliability of wind turbine subassemblies. IET Renewable Power Generation, 3(4), 387-401. https://doi.org/10.1049/iet-rpg.2008.0060

We have investigated the reliability of more than 6000 modern onshore wind turbines and their subassemblies in Denmark and Germany over 11 years and particularly changes in reliability of generators, gearboxes and converters in a subset of 650 turbin... Read More about Reliability of wind turbine subassemblies.