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  • From: Rob <becida AT comcast.net>
  • To: homestead AT lists.ibiblio.org
  • Subject: [Homestead] Solar-Powered Refrigeration
  • Date: Tue, 03 May 2005 20:08:06 -0700

This is NASA technology brought to the market by a couple of NASA engineers. Thought it might be of interest.

Rob

http://www.techbriefs.com/spinoff/spinoff2003/er_1.html





>>Designed to function in arid to semi-arid regions with at least 5 sun-hours per day, the PV direct-drive, or “PV direct,” SunDanzer™ solar refrigerator is a chest-type cabinet with a 105-liter (3.7 cubic feet) internal volume, a lockable top-opening door, a corrosion-resistant coated steel exterior, and a patented low-frost system. It uses thermal storage for cooling efficiency, with a direct connection between the vapor compression cooling system and the PV module. This is accomplished by integrating a phase-change material into a well-insulated refrigerator cabinet and developing a microprocessor-based control system that permits the direct connection of a PV module to a variable-speed compressor. The integration allows for peak power-point tracking and the elimination of batteries (thus, the environmental threat of improper battery disposal is eliminated). <<



  • [Homestead] Solar-Powered Refrigeration, Rob, 05/03/2005

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