[RE-wrenches] Pulsing with AC coupling

[Jerry Shafer]

Wrenches
I would think that in time there might be damage. Check to make sure the
inverter is not on search but I stead "ON", next if you turn off the
enphase the the outback perform normally. Check the inverter frequency to
see your frequency is shifting have one that has both AC & DC Coupling and
no issues.

On Tue, Aug 25, 2020, 6:37 AM <drake.chamberlin at redwoodalliance.org> wrote:

> Hello Wrenches,
>
> An AC coupled arrangement, with an 8 kW Radian and 8 Enphase
> microinverters, pulses lighting at low levels of array illumination.
> This is generally not too much of a problem.
>
> Under certain levels of solar isolation, the pulsing becomes extreme and
> causes the motors in the refrigerator and air-conditioner to pulse,
> sometimes causing very audible vibrations.
>
> Will this harm the appliances? Is there anything that can be done to
> moderate or stop the pulsing?
>
> Thank you,
>
> Drake
> Athens Electric LLC
>
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