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Author(s):	Schiel, Wolfgang
Title:
Abstract:	In den letzten Jahren wurden mehrere große solarthermische Kraftwerke in Spanien und Nordafrika gebaut und in Betrieb genommen. Bis Ende 2013 werden allein in Spanien solarthermische Kraftwerke mit einer Leistung von insgesamt ca. 2,5 GW am Netz angeschlossen sein. Die meisten dieser Anlagen sind sogenannte Parabolrinnenkraftwerke, die zurzeit am weitesten fortgeschrittene solarthermische Technologie. Diese Kraftwerke bestehen aus großen Kollektorfeldern mit hunderttausenden Quadratmetern Kollektorflächen, die die erforderliche Wärme für den Betrieb eines konventionellen Kraftwerksblocks bereitstellen. Die Kosten dieser solarthermischen Technologie werden im Wesentlichen durch die Kosten des Kollektorfeldes bestimmt. Um in Zukunft mit fossilen Kraftwerken vergleichbare Stromerzeugungskosten zu erzielen, sind weitere Entwicklungsarbeiten der solarspezifischen Komponenten im Hinblick auf Kostensenkung und Effizienzsteigerung erforderlich, insbesondere beim Solarkollektor. Collector dvelopment for solar parabolic trough power plants In the last years several solar thermal power plants were constructed and successfully put into operation in Spain and North Africa. By the end of 2013, a total of 2, 5 GW solar thermal power plants will be in operation in Spain alone. Most of these plants are parabolic trough power plants, which is currently the most highly developed solar thermal technology. These power plants consist of a large solar collector field with hundreds of thousands of m2 collector areas, which generate the required warmth for the operation of a conventional power block. The costs of this technology are primarily determined by the costs of the collector field. In order to achieve electricity generation costs that are competitive to fossil power plants, further developments of the solar components with regard to cost reduction and increased efficiency are necessary, especially for the solar collector.
Source:	Bautechnik 89 (2012), No. 3
Page/s:	182-191
Language of Publication:	German

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