Posted by Hemmjo on November 06, 2023 at 17:33:22 from (23.245.215.58):
In Reply to: Solar posted by Vito on November 06, 2023 at 16:42:56:
I set up one 0.8kwk per day and two 4kwh per day systems for a mission I was working with in the Caribbean.
The small one was dedicated to the water well. It had a single 12v deep cycle battery. Like you might use for a trolling motor. One of the larger systems was our staff housing. The other was in the dining/kitchen/common space where groups met, ate, etc.
A system consists of panels and mountings, proper sized conductors for each section, charge controller, inverter, distribution system, appropriate fuses an circuits breakers. You need a transfer switch if you intend to hook it in public utility system. There was no reliable public utility in the area I was working. Our batteries only lasted 2-3 years due to excessive discharge from misuse.
They worked well as designed, BUT too many times people would leave lights on, stand in front of the refrigerator to cool off, etc. this runs the batteries too low and GREATLY reduces life span.
It is important to design your system around your loads and your geographical location. There is more to it that outing panels outside and hooking up some wires.
Solar energy is not free!!! It has its place but be realistic in you expectations and robust in your design. You will regret cutting corners.
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