Wind energy

What is wind power plant? It is mechanism for producing

electric power. Wind power plants are installed

in windy places.

Wind power plants are divided into:

Small wind power plants to Middle power plants Big wind power plants 60kW 60-750kW 750-6400kW

Plan of wind power plant rotor mechanism

Head of rotor

Main centre

Rotor brake

rotor

transmissionControl mechanism

generator

shaft

Mechanisms of rotation ofgondola

output

tubus

gondola

Advanges of wind power plants It is one of renewable sourses – green

energy. No harmfull emissions of pollutants. Andvantages and profit for the land owner

and for the villages, towns. New job opportunities for people.

Disadvantages of wind power plants :

Noise. Disturbing of animals. Putting birds in danger. Erosion of natural character of land. Design defect, working safety.

Wind power plants in CZ.

Working wind power plants – its capacity and production in years

Rok 2004 2005 2006 2007 2008 2009 2010 2011  2012Capacity (MW)

17 28 54 116 148 192 215 217  260

Production (GWh)

8,3 21,3 49,4 125 245 290 336 397  371

Producers of wind power plants

Thanks for attentionErich Kalous (IT teacher) and his students