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A diagram of a parabolic trough solar farm (top), and an end view of how a parabolic collector focuses sunlight onto its focal point. Date: 16 February 2008: Source: Own work: Author: AndrewBuck: Other versions: Derivative works of this file: Riflettore parabolico.svg. Based on the file .
A parabolic trough is made of a number of solar collector modules (SCM) fixed together to move as one solar collector assembly (SCA). A SCM could have a length up to 15 metres (49 ft 3 in) or more. About a dozen or more of SCM make each SCA up to 200 metres (656 ft 2 in) length. Each SCA is an independently-tracking parabolic trough. [9]
The term "solar collector" commonly refers to a device for solar hot water heating, but may refer to large power generating installations such as solar parabolic troughs and solar towers or non-water heating devices such as solar cookers or solar air heaters. [1] Solar thermal collectors are either non-concentrating or concentrating.
Parabolic trough at a plant near Harper Lake, California Diagram of linear parabolic reflector concentrating sun rays to heat working fluid. A parabolic trough consists of a linear parabolic reflector that concentrates light onto a receiver positioned along the reflector's focal line.
Thailand's Solar Programme required that the plants be completed by 2015. However, due to complications, including Solarlite filing for bankruptcy in 2012, no other plants were built. [1] The TSE 1 solar thermal power plant in Kanchanaburi, Thailand, was the first commercial parabolic trough plant based on direct steam generation.
The Andasol solar power station is a 150-megawatt (MW) concentrated solar power station and Europe's first commercial plant to use parabolic troughs. It is located near Guadix in Andalusia , Spain , and its name is a portmanteau of Anda lusia and Sol (Sun in Spanish).
A cost/performance comparison between power tower and parabolic trough concentrators was made by the NREL which estimated that by 2020 electricity could be produced from power towers for 5.47 ¢/kWh and for 6.21 ¢/kWh from parabolic troughs. The capacity factor for power towers was estimated to be 72.9% and 56.2% for parabolic troughs. [46]
Parabolic trough [130] [131] SCE Solar 100 US: Johnson Valley, California: 100: Solar power tower: license expired 1983 [132] Diwakar India: Askandra: 100: Parabolic trough: 2014, Parabolic trough with 3h heat storage [133] KVK Energy Solar Project India: Askandra: 100: Parabolic trough: 2014, Parabolic trough with 4h heat storage [134]