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    Solar Power, The Evolution I have seen.

    Started by 18hammers Sep 11, 2023, 04:14 PM

    Message path : / Society / Tech is always to the rescue / Solar Power, The Evolution I have seen. #2


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    18hammers

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    • Intergalactic Guru
    • Posts: 154
    Sep 11, 2023, 04:14 PM
    Very close to correct. As I stated I kept 8000 watts. I don't have the full 8000 watts up, I currently have exactly 25 225 watt (30 volt) panels up, so thats 5600 watts + 1000 watts from my first array so that gives me 6600 watts of panels, and I have 2000 watts sitting extra in a shipping container.
     Now Just because I have 6600 watts up does not mean I get that power coming in. The devil is in the details, let me explain. That power coming in is divided over 6 different charge controllers. The first array is easy to explain, 12 12 volt BP 75 watt panels feeding a xantrex C-60 controller so there is 1000 watts.
    Now it may get hard to follow, Four of those 225 watt panels are hooked in series giving me 120 volt DC buss (maybe 118.xx to be exact at mpp)These 4 panels are hooked in parallel with another 4 panels hooked in series  as the first were. So that is 1800 watts of panels that are fed to a Midnight Classic 200 and if you check on the specs of the midnight classic I have that controller input nearly 100% overloaded.
    That is ok though it only means the max I can get out of it is 79 amps at 12.8 volts or 1000 watts. I am ok with that because I only power up this expensive MPPT controller in the winter when I want to pound the amps in during short daylight hours...Have to stop, chores calling will continue with a part 2 later (I type with one finger this takes me forever to type)

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