I would be surprised if the panels themselves were the cause of rfi. Its
usually the battery charger or inverter(s) that cause problems.
David Robbins K1TTT
e-mail: mailto:k1ttt@arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://k1ttt.net
> -----Original Message-----
> From: Richard DiDonna NN3W [mailto:richnn3w@verizon.net]
> Sent: Wednesday, October 05, 2011 12:28
> To: K1TTT; 'Thatcher Deane'; Rfi
> Subject: Re: [RFI] SolarWord PV modules,Enphase solar micro
> inverters and monitor system
>
>
> SolarWorld is a client of my firm, so I'll disclaim that I am
> not speaking
> in any professional capacity. SolarWorld used to have a ham
> as one of the
> main design engineers and he actually did test the designs to
> look for
> interference and RFI generated by the panels....
>
> Cannot attest to panels produced by other companies.
>
> 73 Rich NN3W
>
> ----- Original Message -----
> From: "K1TTT" <K1TTT@ARRL.NET>
> To: "'Thatcher Deane'" <thatcher.deane@gmail.com>; "Rfi"
> <rfi@contesting.com>
> Sent: Wednesday, October 05, 2011 6:55 AM
> Subject: Re: [RFI] SolarWord PV modules,Enphase solar micro
> inverters and
> monitor system
>
>
> >I have 28 of the Enphase inverters model m190-72-240 and
> they are perfectly
> > quiet.
> > http://wiki.k1ttt.net/2010-Maintenance-and-Upgrade-Blog.ashx#solar
> > http://enlighten.enphaseenergy.com/public/systems/BpbD5251
> > http://www.k1ttt.net/misc/pv.pdf
> >
> > The plc they use is relatively low speed bursts at 144khz,
> I couldn't find
> > any interference from that anywhere either. They use it to
> collect the
> > data
> > from the inverters back to their base unit. The base unit
> must be plugged
> > into your internet router to make use of the web monitoring
> features.
> >
> >
> >
> > David Robbins K1TTT
> > e-mail: mailto:k1ttt@arrl.net
> > web: http://wiki.k1ttt.net
> > AR-Cluster node: 145.69MHz or telnet://k1ttt.net
> >
> >
> >> -----Original Message-----
> >> From: Thatcher Deane [mailto:thatcher.deane@gmail.com]
> >> Sent: Wednesday, October 05, 2011 04:36
> >> To: RFI@contesting.com
> >> Subject: [RFI] SolarWord PV modules, Enphase solar micro
> >> inverters and monitor system
> >>
> >>
> >> Hi we are (still) considering installing a photo-voltaic
> >> system with a
> >> vendor who uses this equipment
> >>
> >> SolarWord PV modules, Enphase solar micro inverters and
> monitor system
> >>
> >> I've previously received advice from subscribers to this
> mailist that
> >> SolarWord panels
> >> and Enphase inverters do not cause RFI in the HAM bands.
> >>
> >> Has anyone heard differently? Specifically for these items:
> >>
> >> SolarWorld Sunmodule SW 255 mono / Version 2.0
> >>
> >> Enphase inverters (model unknown)
> >>
> >> Enphase 'Envoy Communications Gatway' which 'uses advanced
> powerline
> >> communications technology, without additional wiring or wireless
> >> configuration. '
> >>
> >> This last sounds suspicious.
> >>
> >> 73, AH6SZ
> >> _______________________________________________
> >> RFI mailing list
> >> RFI@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/rfi
> >>
> >
> >
> > _______________________________________________
> > RFI mailing list
> > RFI@contesting.com
> > http://lists.contesting.com/mailman/listinfo/rfi
>
>
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