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Germany: 2Power PVT Modules Supply Power and Heat from Same Roof Space

Submitted by Baerbel Epp on September 2, 2016
PA-IDPVT Modules combine the generation of solar heat and solar electricity. For many years, products have entered and disappeared from the market without leaving much of a trace. German company PA-ID has installed around 8,000 2Power panels, at almost 500 project sites. The 2Power elements consist of standard PV laminates with a polymer heat exchanger at the back, enclosed by insulation. In July, a group toured to the so far largest installation with 121 kWth and 44 kWel in Unterliederbach, a suburb of the German city of Frankfurt. 
Photo: PA-ID
 

Modelling Solar Thermal Systems (2007)

Submitted by Raquel Ponte Costa on April 11, 2015

Michaël Kummert, a consulting engineer with a PhD in Environmental Science, provides this PowerPoint presentation to show examples of different Solar thermal systems and what they do.

There are photographs of Domestic Hot Water systems and Space Heating systems along with descriptions of their advantages and disadvantages.  Kummert also provides a basic guide to which tools one would use for different purposes; for component design and optimization, one would use TRNSYS tools, for example. 

Solar cooling: a new Field for Simulations

Submitted by Baerbel Epp on February 24, 2009

Solar cooling is a promising new field of application for solar thermal technology. A new version of the simulation software Polysun will be published in April. It will not only be able to design solar thermal systems but also solar powered cooling plants that work with compression coolers or fan coils. A version that also contains a simulation model for absorption chillers is scheduled for the summer months. Polysun is offered in Chinese, Czech, English, French, German, Greek, Italian, Portuguese and Spanish.

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