Method of operating a wind turbine

Details Method of operating a wind turbine Method of operating a wind turbine

2007-02-27

2007-02-27

Look, Edward K. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Method of operation

C416S039000, C416S230000, C416S24100B

Reexamination Certificate

active

10537934

ABSTRACT:
A wind turbine has a generator (7) with a connected rotor (3) having a hub (4) and blades (5) rotatably connected to the hub for adjusting the pitch angle. In a method of operating such a wind turbine under climatic conditions, where there is a risk of icing on the blades and no or weak wind, the generator is used as a motor for driving the rotor and the pitch angle of the blades is adjusted to ensure that the resulting wind substantially hits the leading edge of the blades. It is thus ensured that any icing only occurs on the leading edge of the blades. Any ice formed may be removed by means of de-icing in a known manner.

REFERENCES:
patent: 6890152 (2005-05-01), Thisted
patent: 7042109 (2006-05-01), Gabrys
patent: 2005/0008495 (2005-01-01), Wobben
patent: 299 23 485 (2001-01-01), None
patent: 202 06 704 (2002-09-01), None
patent: WO 00 79128 (2000-12-01), None

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