parabolic trough

• Parabolic Trough

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Concentrated solar power - Parabolic trough

1 The Solar Energy Generating Systems (SEGS) plants in California,

the world's first commercial parabolic trough plants, Acciona's Nevada

Solar One near Boulder City, Nevada, and Andasol, Europe's first

commercial parabolic trough plant are representative, alongside with

Plataforma Solar de Almería's SSPS-DCS test facilities in Spain.


Solar thermal - Parabolic trough designs

1 Trough concentrator|Parabolic trough power plants use a curved, mirrored trough which reflects the direct solar

radiation onto a glass tube containing a fluid (also called a receiver, absorber or collector)

running the length of the trough, positioned at the focal point of the

reflectors



1 Full-scale parabolic trough systems consist of many such troughs laid out in parallel over a

large area of land. Since 1985 a solar thermal system using this principle has been

in full operation in California in the United States. It is called the Solar Energy

Generating Systems (SEGS) system. Other CSP designs lack this kind of long experience

and therefore it can currently be said that the parabolic trough design is the most

thoroughly proven CSP technology.



1 Hassi R'Mel integrated solar combined cycle power station in

Algeria and Martin Next Generation Solar Energy Center both use

parabolic troughs in a combined cycle with natural gas.


Solar thermal - Enclosed parabolic trough

1 The enclosed parabolic trough solar thermal system encapsulates the

components within a greenhouse-like glasshouse


Parabolic trough

1 Further information on the use of parabolic troughs for cooking can be

found in the article about Solar cooker#Parabolic troughs|solar

cookers.


Parabolic trough

1 This solar energy collector is the most common and best known type of parabolic

trough


Parabolic trough - Efficiency

1 Due to these sources of error, seasonally adjusted parabolic

troughs are generally designed with a lower

Acceptance_angle_(solar_concentrator)#Concentration_acceptance_prod

uct_.28CAP.29|concentration acceptance product.


Parabolic trough - Efficiency

1 The theoretical maximum is better achieved with more elaborate concentrators based on primary-secondary

designs using nonimaging opticsJulio Chaves, Introduction to Nonimaging Optics, CRC Press, 2008 ISBN 978-1-4200-5429-3Roland Winston et al.,, Nonimaging Optics, Academic Press, 2004 ISBN 978-0-12-759751-5 which may nearly double the

concentration of conventional parabolic troughsDiogo Canavarro et al., New second-stage concentrators (XX SMS)

for parabolic primaries; Comparison with conventional parabolic trough concentrators, Solar Energy 92 (2013) 98–

105 and are used to improve practical designs such as those with fixed receivers.Diogo Canavarro et al., Infinitesimal

etendue and Simultaneous Multiple Surface (SMS) concentrators for fixed receiver troughs, Solar Energy 97

(2013) 493–504


Parabolic trough - Design

1 Most mirrors used are parabolic and single-piece. In addition, V-type

parabolic troughs exist which are made from 2 mirrors and placed at

an angle towards each other.[http://adsabs.harvard.edu/abs/1978PhDT.......157S V-type parabolic

troughs]


Parabolic trough - Usage by commercial plants

1 Current commercial plants utilizing parabolic troughs are hybrids; fossil

fuels are used during night hours, but the amount of fossil fuel used is limited to a maximum 27% of

electricity production, allowing the plant to qualify as a renewable

energy source


Copper in renewable energy - Parabolic trough plants

1 These plants collect solar energy in parabolic trough concentrators with linear collector

tubes


Copper in renewable energy - Parabolic trough plants

1 In parabolic trough plants, copper is specified in the solar collector field (power cables, signals, earthing, electrical motors); steam cycle (water pumps, condenser fans, cabling to consumption points,

control signal and sensors, motors), electricity generators (alternator,

transformer), and storage systems (circulating pumps, cabling to

consumption points)https://store.theartofservice.com/the-parabolic-trough-toolkit.html

Solar cooker - Parabolic troughs

1 Parabolic troughs are used to concentrate

sunlight for solar-energy purposes


Solar cooker - Parabolic troughs

1 It is possible to use two parabolic troughs, curved in perpendicular

directions, to bring sunlight to a point focus as does a paraboloidal

reflector.The incoming light strikes one of the troughs, which sends it toward a line focus. The second trough intercepts the converging

light and focuses it to a point.


Concentrating solar power - Parabolic trough

1 The Solar Energy Generating Systems (SEGS) plants in California,

the world's first commercial parabolic trough plants, Acciona's Nevada

Solar One near Boulder City, Nevada, and Andasol, Europe's first

commercial parabolic trough plant are representative, alongside with

Plataforma Solar de Almería's SSPS-DCS test facilities in Solar power in

Spain|Spain.https://store.theartofservice.com/the-parabolic-trough-toolkit.html

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• https://store.theartofservice.com/the-parabolic-trough-toolkit.html

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