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Grid tie inverter controller?

Discussion in 'Power Electronics' started by fastesteddy13, Mar 15, 2021.

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  1. fastesteddy13


    Mar 15, 2021
    Hi all..
    Have a couple of 120w solar panels that were hooked up to a small grid tie inverter.. Have now connected one to a couple of 12v leaisure batteries which I use to power lighting in my workshop.. Had been monitoring the batteries and they seem to be almost fully charged before the sun comes up.

    My question is, will it be possible to charge the batteries, and when they hit full charge, bleed the excess power back into the grid tie inverter? Have noticed mention of a controller that does this in USA but can find nothing here in the UK.. Happy to have a go at building one if that is the way to go..
  2. Alec_t


    Jul 7, 2015
    If you're planning to feed power back into the grid you would need the approval of your mains power supplier and your inverter would have to be type approved.
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