Smaller solar power plants have a round concave reflector (“dish”) with the working cylinder of a Stirling engine at the focal point. The generator is placed directly on the shaft of a Stirling engine. (Alternative: A permanent magnet is used as a piston, which as a linear generator can integrate the electric power generation directly in the Stirling engine.) Dish-Stirling power plants are used, for example, in sunny regions without a power supply grid as a partial replacement for diesel generators. If the power plant’s battery capacity is sufficiently large, the diesel generators can be dispensed with.
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Learning resource type:
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Ecology; Engine; Environment (general); Environmental protection; Optics; Power generation; Power plant; Renewable energy; Solar energy; Stirling, Robert
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Björn Appel, Username Warden (license: CC BY-SA 3.0 unported)
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