Energy sources for electric power © Siemens Stiftung 2018 CC BY-SA 4.0 international

Energy sources for electric power

Image

Schematic diagram:
Overview of the conversion paths from different energy sources to electric power.

English, German, Spanish (CREA)
Image (203.4 kByte)
2018-07-13
To make the forms of energy contained in nuclear, renewable and fossil energy sources available to people, this energy must be converted to a different form, such as electric energy (electric current). Of the energy sources shown here, nuclear energy, renewable and fossil energy sources and geothermal and solar thermal energy cannot be converted directly to electric energy. Therefore, a series of conversion steps must be carried out. The last two steps are to convert thermal energy to mechanical energy in the turbine and to convert mechanical energy to electric energy in the generator.
Water and wind power can drive a generator directly, and photovoltaic power generates electric energy directly.

Information and ideas:
An excellent choice for illustrating the law of conservation of energy. The fact that energy cannot be produced, but only converted, is not self-evident to students.
There are no other media directly related to this file.
Illustration
Chemistry; Physics; Technology
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Chart; Ecology; Energy; Environmental protection; Nuclear power plant; Power generation; Renewable energy
Siemens Stiftung Media Portal
MediaHouse GmbH using material from: Von I, Dergenaue, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2526016 (Generator; license: CC BY-SA 3.0), Von de:User:Igelball - first upload: July 27, 2003 - de:Wikipedia, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=70192 (Gas tank; license: CC BY-SA 3.0)
© Siemens Stiftung 2018
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