Dr Pablo Jaen Sola P.Sola@napier.ac.uk
Lecturer
Buoyant airborne wind turbines are devices capable of harnessing stronger winds at higher altitudes and with their automated and rapidly deployable system they are suited to niche applications such as emergency power generation. Although much of the wind turbine technology for these systems is common with their 'grounded' cousins, an additional design limitation is the requirement for the wind turbine equipment to be lightweight. This paper concentrates on the drivetrain of the wind turbine and the different potential ways of reducing its mass. A buoyant airborne wind turbine with different types of drivetrains, going from gearless to geared systems with distinct gear ratios, has been analysed. Special attention was paid to the mass of the supporting structure of the permanent magnet electrical generator and this was minimized by utilising low density materials, such as composites, in its design. The model showed that a significant reduction in the mass of the drivetrain can be achieved in the gearless case by using materials with a higher ratio of Young's Modulus to density for the electrical machine supporting structure. For the geared systems, mass decrease was less significant as the gearbox mass had also to be considered.
Jaen Sola, P., Mcdonald, A. S., & Oterkus, E. (2015, November). A Lightweight Approach for Airborne Wind Turbine Drivetrains. Presented at European Wind Energy Association, EWEA 2015
Presentation Conference Type | Conference Paper (published) |
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Conference Name | European Wind Energy Association, EWEA 2015 |
Start Date | Nov 17, 2015 |
End Date | Nov 20, 2015 |
Acceptance Date | Jul 20, 2015 |
Publication Date | Nov 17, 2015 |
Deposit Date | Jul 15, 2019 |
Keywords | Airborne; lightweight; generator structure; composite materials |
Public URL | http://researchrepository.napier.ac.uk/Output/1966017 |
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