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How does MPPT work?

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  • #16
    Originally posted by Mike90250 View Post
    A MPPT Controller is a small computer, that monitors the loading of the input of it's own DC-DC converter, and varys the output loading to maximize the power harvest.

    To explain it further, I have to put on my electronic engineers hat, and it's not likely you have one, so our data will not likely connect.
    The other thing that Abdul needs to understand is that the MPPT functionality is ONLY going to be working full out when the CC is in Bulk stage and the PV array cannot produce more power than the CC can handle and the battery can take in.
    At all other times the MPPT circuitry will not be in full-on power optimization mode but will regulate the input voltage (input effective resistance) that the panels see to produce just the amount of power that the Absorb or Float stages are calling for.
    SunnyBoy 3000 US, 18 BP Solar 175B panels.

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