Tag Archive: What’s

May
25

What’s the minimum wattage for a solar panel to need a charge controller?

Question by Brandon: What’s the minimum wattage for a solar panel to need a charge controller? I have a 10 watt 12v, 0.5 amp solar panel (apparently 10 because it could reach 21 V). I want a charge controller, but I read that a 5 watt panel had too low of an amperage to actually …

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Jan
08

What’s a good source of information about solar power?

Question by water_skipper: What’s a good source of information about solar power? What’s a good source of information about solar power? I don’t want just basic information about how solar power works. I want to see serious analysis about the possibility of large scale solar power projects. I’d like to know how much power per …

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Aug
04

What’s inside a wind turbine?

An overview of the layout of utility-class wind turbine generators – where are the major components, what do they do, and what differences can be found between models and size ranges.