[RFI] OT: RE: solar problems

Cortland Richmond ka5s at earthlink.net
Mon Apr 11 02:46:29 PDT 2011

If it's a deliberate phase bobble, that's a clever  way for power co's
avoid having to pay people for their solar power.


-----Original Message-----
From: rfi-bounces at contesting.com [mailto:rfi-bounces at contesting.com] On
Behalf Of Charles Coldwell
Sent: Sunday, April 10, 2011 7:36 AM
To: Allen Griffith
Cc: rfi at contesting.com
Subject: Re: [RFI] RFI Digest, Vol 99, Issue 5

On Apr 9, 2011, at 6:43 PM, Peter Laws wrote:

> On Sat, Apr 9, 2011 at 15:04, Allen Griffith <n5ag at verizon.net> wrote:
>> hello,
>> I just put 13 panels and inverters on line. I will gather info as time
goes on.
>> I already have trouble with the system shutting down due to AC phase 
>> problem....bummer.  This is going to be a heck of a ride I think.  
>> This is only the first full day of operation.  Kind of bumpy so far.
> I gather it's grid-tied (UL-listed inverters stop passing AC when the 
> grid power drops ... or is crappy).

Indeed, this the "anti-islanding" requirement of UL-1741 for inverters.  The
idea is that the power company may have turned off the power intentionally
to allow work on the line, so if your home generation system is still
energizing the wires you could electrocute a lineman.

More information about the RFI mailing list