The inverter is set to ON not to SEARCH. If the Enphase circuit is
switched off, the pulsing stops immediately. This system has both AC and
DC coupling.
In another location, with a Sunny Boy AC coupled with a pair of stacked
VFX3524 inverters, there is some pulsing in low light conditions. The
Radian and Enphase combo is much more noticeable.
---
On 2020-08-25 10:42, Jerry Shafer wrote:
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 <[email protected]> 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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