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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Scaling wind turbines and rules of similarity
verfasst von : Prof. Dr.-Ing. Robert Gasch, Prof. Dr.-Ing. Jochen Twele
Erschienen in: Wind Power Plants
Verlag: Springer Berlin Heidelberg
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Wind turbines are used in a variety of applications with very different performance requirements. In terms of power supply, a small holiday cottage requires electrical energy of approx.1.5 to 2 kW, a medium-sized restaurant approx. 75 kW with a base load of approx. 15 to 25 kW, and a large farm approx. 50 to 100 kW. In the first case, given a rated wind speed of
v
= 9 m/s, a turbine with a rotor diameter of 3.5 m would be sufficient. For the base load of the restaurant, a rotor diameter of 7 to 8 m would be required, whereas for the 50 to 100 kW, a turbine rotor with a diameter of 15 to 20 m is needed. Large turbines with a diameter of 80 to 100 m, can supply power of up to 3 MW.