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2. The Best Solar-Powered Generators for Both Off-Grid ...

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   Yeti 1500X Solar Generator. Optimized for campers who spend extended periods of time off-grid, this high-powered generator has a 600-watt input, allowing it to fully charge in just a few hours ...

3. Environmental impact of electricity generation - Wikipedia

   en.wikipedia.org/wiki/Environmental_impact_of...

   [118] [119] [120] Although maintenance cost is already low compared to other energy sources, [121] some academics have called for solar power systems to be designed to be more repairable. [122] [123] Solar panels can increase local temperature. In large installation in the desert, the effect can be stronger than the urban heat island. [124]

4. Short circuit ratio (synchronous generator) - Wikipedia

   en.wikipedia.org/wiki/Short_circuit_ratio...

   low SCR: in case of a short circuit, the current is proportional to SCR, therefore generators with low SCR require less protection and thus are cheaper; low SCR allows shorter air gap and lower excitation field, both decreasing the size (an cost) of the generator; with low SCR the amounts of iron and copper are reduced, lowering the cost; high SCR:

5. Cadmium telluride photovoltaics - Wikipedia

   en.wikipedia.org/wiki/Cadmium_telluride...

   Success of cadmium telluride PV has been due to the low cost achievable with the CdTe technology, made possible by combining adequate efficiency with lower module area costs. Direct manufacturing cost for CdTe PV modules reached $0.57 per watt in 2013, [ 82 ] and capital cost per new watt of capacity was about $0.9 per watt (including land and ...

6. Solar-powered Stirling engine - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_Stirling_engine

   NASA patented a type of solar-powered Stirling engine on August 3, 1976. It used solar energy to pump water from a river, lake, or stream. [1] The purpose of this apparatus is to “provide a low-cost, low-technology pump having particular utility in irrigation systems employed in underdeveloped arid regions of the earth…[using] the basic principles of the Stirling heat engine“.

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