Quiet Revolution QR5 VAWT
Quiet Revolution QR5 VAWT
Find out about the QR5 Vertical Axis Wind Turbine from Quiet Revolution
windThe
Quiet Revolution QR5 is a wind turbine designed for use within urban environments where average wind speeds are lower and more turbulent. Its helical (twisted) design virtually eliminates the noise and vibrations typical of large
wind turbine generators. This
VAWT (
vertical axis wind turbine) is an enhancement of the
XCO2 Wind Turbine.
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1. Three ‘S’ shaped blades are tapered to shed noise
2. The vertical axis is easy to integrate with existing masts and buildings
3. The helical (twisted) design captures turbulent winds and eliminates vibration
4. Central compression spar, dependent on conditions
5. The blades, spars and torque tube are made of robust carbon fibre, and all moving parts are sealed to minimise maintenance
6. The direct drive in-line generator has auto-shutdown and peak power tracking and is incorporated into the mast
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The
turbine generator is an integrated, sealed, 6kW
Permanent Magnet Alternator. Power generation starts at wind speeds of 4 m/s and the turbine automatically shuts off for safety reasons in winds over 16 m/s. The overall height of the turbine is 5 metres with a diameter of just over 3 metres, and the whole things sits on top of a 9 metre high mast in order to get it at least 3 metres above the height of nearby buildings and out of the most turbulent air.
The Quiet Revolution is currently priced at £25,000 with installation costs coming in at between £5,000 and £10,000. Therefore, assuming current energy costs of 8p/kWh with 5% year on year inflation and average wind speeds of 5.8m/s, the
payback period
is around 15 years for the QR5. As an added benefit, around 420g of carbon dioxide are saved per kilowatt of electricity generated saving over 100 tonnes over the 25 year design life of the turbine.
A great
Video of the QR5 Turbine in action at the Quiet Revolution test site is available here at the
QuietRevolution.co.uk website.
Article Last Modified: 09:47, 20th Dec 2006Comment on this Article
If you have any comments on this article, please email them to
neil@reuk.co.uk.
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