Generally, the technology of concentrated solar power systems divides into three types the first is the Linear Concentrating systems which itself includes Linear Fresnel (LF) Reflector and Parabolic Trough (PT) Reflector. The second is the Solar Power Tower (SPT) and the last is the Solar Dish/Engine System(SDES).
As a roughly speaking, in LF & PT reflectors concentrate sunlight onto a receiver (pipeline) located above the mirrors. The heated fluid is transferred through pipes to heat exchangers. It evaporates the water which drives a generator to produce electricity.
A SPT system uses a large field of flat, sun-tracking mirrors called heliostats to reflect and concentrate sunlight onto a receiver on the top of a tower. The other steps are almost similar to linear concentrated systems.
SDES use a mirrored dish similar to a very large satellite dish. To reduce costs, the mirrored dish is usually composed of many smaller flat mirrors formed into a dish shape. The dish-shaped surface directs and concentrates sunlight onto a thermal receiver, which absorbs and collects the heat and transfers it to the heat exchanger.
Which one is more cost-effective and efficient? Why? Comment us on Below
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Source:@Solar_Edition
Photo: International Energy Agency (IEA)
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Date: Sep 13, 2019 @ 09:20
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