New Cost-effective Solar Energy
Research scientists from the Fraunhofer Institute for Solar Energy Systems ISE in Freiburg have developed the technology to design Fresnel reflectors which represent a low-cost alternative for huge parabolic mirrors used in the present scenario. Flat mirrors arrayed in long rows are so aligned that, with the aid of a small secondary mirror, they focus the sunlight on a linear tube running along the row of mirrors. Water is vaporized directly in this tube and heated up to 450 degrees Celsius at high pressure. Linear Fresnel reflectors are cheaper than parabolic mirrors, take up less space and are less sensitive to the wind. For more information, contact: Karin Schneider Fraunhofer-Institut für Solare Energiesysteme ISE Heidenhofstraße 2 79110 Freiburg Germany Phone: +49 761 4588-5147 Web:
Sector: Renewable Energy Technologies
Country: India
Area of Application: Photovoltaics
Keywords: Fresnel reflectors, Parabolic mirrors
Advantages: 1. Low-cost alternatives to the existing usage of huge parabolic mirrors in PV.
Environmental aspects: Energy efficiency
Development Status: Pilot Plant
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Transfer Terms: Consultancy
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Estimated cost (US$):  
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Contact Person: APCTT (UNESCAP)
Address: Asian and Pacific Center for Transfer of Technology (APCTT) C-2, Qutab Instituational Area
City: New Delhi
Country: India
Zip/Pin Code: 110016

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