Promethean, an MIT offshoot, has designed a solar powered stand alone refrigeration system for the developing world.
Solar-powered food storage container: our refrigeration system is designed from the ground up to use very little electrical power. The food storage container can cool and preserve a variety of products—such as milk, fruits and vegetables—using as little as 100W of power. As a result, we could efficiently and economically power it with solar photovoltaic (PV) panels.
Solar-power optimizer: a "black-box" control system maintains the operation of the entire system, minimizes energy consumption and optimizes the use of available solar power. The solar-power optimizer uses proprietary algorithms to efficiently transfer power from solar panels to various electrical loads in the system.
Low-power, low-cost heat exchangers: to reach our cost and power consumption goals, we’ve designed our own heat exchangers to cool and preserve the products. For milk cooling, one of our heat exchanger cools the milk immediately to arrest bacteria growth and maintain milk quality according to international standards.
World's Largest Wind Turbine Offshore
Underway in Norway, the wind turbine will generate 10 MW of Power.
Sources: [Tree Hugger] [Green Technology] [Promethean]
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