[Homestead] Solar System for well pump
Don Bowen
don.bowen at earthlink.net
Tue Nov 4 06:21:43 EST 2008
> One difficulty with solar power is that the solar cells on the roof or
> wherever make direct current. In order to have electricity of the
> sort used by many household systems, (and most well pumps) you have to
> both store the power and then make it into alternating current. This
> means batteries and somewhat sophisticated electronic conversion
> devices.
There are DC well pumps on the market designed for solar systems. A solar
cell does not put out a constant power, it varies with time of day, cloud
cover, etc. A submersible well pump designed for solar can handle the
voltage swings so there is no need for battery storage. There is still a
need for storage but the pressure tanks of sufficient size can provide that
rather than batteries.
Don Bowen KI6DIU
http://www.braingarage.com/Dons/Travels/journal/Journal.html
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