Turby wind turbine

Turby wind turbine

The Turby is a brand of vertical-axis Darrieus wind turbine. The three vertical aerofoil blades have a helical twist of 60 degrees, similar to Gorlov's water turbines . Since the wind pulls each blade around on both the windward and leeward sides of the turbine, this feature spreads the torque evenly over the entire revolution, thus preventing the destructive pulsations of the straight-bladed giromill. Starting is achieved by operating the generator as a motor.

Another advantage of the helical twist is that the blades generate torque well from upward-slanting airflow. This is negligible in open country, but tall buildings and cliff faces generate a bow wave which directs airflow up and over them. Turbines mounted on high building rooftops or clifftops are exposed to significantly slanting flow, and the Turby can extract more useful energy from it than a propeller-type turbine can Fact|date=January 2008 because HAWT types need time to adjust to the wind direction.

The turbine measures 2.0m (6'7") in diameter by 2.9m (9'6") high (including generator), and weighs 136kg (300lb). It is specified to generate in winds of between 4m/s (9mph, 7.8kts) and 14m/s (31mph, 27.2kts), and can survive winds of 55m/s (123mph, 107kts). Rated power at 14m/s is 2.5kW (3.35hp). The AC output from the synchronous generator is rectified to DC, then inverted to AC at 230V 50Hz.

Core International developed the turbine in the Netherlands with research input from the Delft University of Technology.

ee also

*Distributed generation
*Net metering
*Betz' law
*Quietrevolution wind turbine

External References

* [http://www.turby.nl Turby b.v. ]
* [http://econews.org.au/story1_11a.php A quiet revolution - wind energy for town and country] - Story about Turby
* [http://www.europeanenergyfair.com/download_07/Session%205_PC%201/Website_Turby.pdf Turby >35%]


Wikimedia Foundation. 2010.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • Quietrevolution wind turbine — The Quietrevolution is a brand of (VAWT) vertical axis Darrieus wind turbine which has won several awards including the Sustainable Innovation Award in 2006. There are proposals to use the turbine in projects in New York and Shanghai. [… …   Wikipedia

  • Darrieus wind turbine — Fig. 1: A Darrieus wind turbine once used to generate electricity on the Magdalen Islands The Darrieus wind turbine is a type of vertical axis wind turbine (VAWT) used to generate electricity from the energy carried in the wind. The turbine… …   Wikipedia

  • Vertical axis wind turbine — Vertical axis wind turbines (VAWT) are a type of wind turbine where the main rotor shaft runs vertically. Among the advantages of this arrangement are that generators and gearboxes can be placed close to the ground, and that VAWT do not need to… …   Wikipedia

  • Turbine (disambiguation) — A turbine is a rotary engine that extracts energy from a fluid flow.Other pages about turbinesTypes of turbines*Gas turbine:*Jet engine:*Turbojet:*Turbofan:*Turbocharger:*Turboshaft*Steam turbine:*Compound turbine*Wind turbine:*Vertical axis wind …   Wikipedia

  • Gorlov helical turbine — A.M.Gorlov with his turbine. The Gorlov helical turbine (GHT) is a water turbine evolved from the Darrieus turbine design by altering it to have helical blades/foils. It was patented in a series of patents from September 19, 1995[1] to July 3,… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”