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SolarChill technology: solar powered direct drive refrigerators with hydrocarbon refrigerants.

Author(s) : PEDERSEN P. H., MATÉ J.

Summary

The refrigerators can operate directly on solar PV panels, without batteries or additional electronics and therefore they are suited for locations where maintenance and reliable operation are in short supply. The main objective of the SolarChill project is to help deliver vaccines and to cool and store food and beverages in rural areas without grid power. SolarChill does not use any fluorocarbons in its cooling system or in the insulation. SolarChill-A is a vaccine cooler with ice storage that keeps the vaccine cold for about 5 days without power. SolarChill-A units were used in field tests with good results and the cooler is now produced by one supplier. SolarChill-B is for domestic and small business applications, and this type of solar refrigerator is currently being tested in two different prototype versions. The units are suitable for cooling and storing food and beverages in areas where grid power is non-existent or unstable. The market potential for this type is enormous as almost 2 billion people live in areas without grid power. SolarChill is made from mass produced cabinets and other standard components, which results in a favourable cost compared to other solar refrigerators. SolarChill-A (as well as B) has a DC compressor with R600a and a special built-in controller for solar power, including adaptive speed control. A compressor manufacturer has developed the compressor for the SolarChill partnership.

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Pages: 2010-2

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Details

  • Original title: SolarChill technology: solar powered direct drive refrigerators with hydrocarbon refrigerants.
  • Record ID : 2010-2054
  • Languages: English
  • Subject: Developing country
  • Source: 9th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2010). Proceedings. Sydney, Australia, April 12-14, 2010.
  • Publication date: 2010/04/12

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