[RE-wrenches] Enphase noise interference to reporting; use ferrites

[scot.arey at solarcentex.com]

We have a 53 IQ7 microinverter system on new-build construction that
reported and performed just great until the homeowner (a custom builder, and
one I'm trying not to unimpress!) moved in Sept 1 at which point reporting
went wonkers with inconsistent data, perceived underperformance that seemed
to shift through the array. All the stuff that makes troubleshooting a
nightmare.

 

Enphase tech support level 1 was great and immediately pointed to a noise
issue and she had a level 2 tech check and confirm that.

 

She recommended I get it on wifi (was on cell comms until the owner moved
in) so I could get near real time reporting, then to go through the pump
circuits to see what is making the noise and when I identify it to use
ferrite loops to reduce the noise on those circuits.

 

Relatively new to Enphase since they brought on IQ7 and this is first PLC
comms issue I've had to date. IQ7+ has been rock-solid for us.

 

Anybody have any experience with this noise and interference and
recommendation on ferrite installation?

 



 

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