Inverters islanding in L.A. [RE-wrenches]

[Jeffrey Wolfe, Global Resources]

Ok, so there is a potentially real issue.
1.  What action has the manufacturer taken relative to this issue?
2.  When a toaster causes a fire, and a problem is found in the UL listing, the 
manufacturer pulls back that toaster, and tells everyone not to use it. (I 
could use an example of a car, that could hurt other people through it's 
malfunction, but just chose the toaster. Insert your favorite device into the 
sentence.)
3.  Why do ALL inverters get locked out due to failure of one specific type, 
from one specific manufacturer?
4.  Can you provide any more details on the islanding?
5.  Basketball? The Celts are out of it. Why watch?

Jeff

Quoting Matt Lafferty <pvpro at attbi.com>:

> Joel:
> 
> Quick response (Game is on; can only respond at commercial breaks)
> 
> 1) So far, all of them.
> 2) You, Placer Electric, Greg Johannsen, Anybody Else installing them
> (I
> installed one, personally, prior to knowledge of this condition).
> 3) Yes
> 
> GO KINGS!  BEAT LA!
> 
> Matt Lafferty
> pvpro at attbi.com
> 
> 
> ----- Original Message -----
> From: "Joel Davidson" <joeldavidson at earthlink.net>
> To: <RE-wrenches at topica.com>
> Sent: Sunday, June 02, 2002 6:49 PM
> Subject: Inverters islanding in L.A. [RE-wrenches]
> 
> 
> > 3 questions:
> > 1) How many inverters have islanded?
> > 2) Who installed the inverters that island?
> > 3) Did the inverters continue to output VAC to the utility grid when
> the
> grid
> > was down and the bi-directional circuit breaker or AC disconnect was
> turned on?
> > 4) If not, under what conditions did the inverters island?
> >
> >
> > Matt Lafferty wrote:
> >
> > > Jeff / Wrenches:
> > >
> > > (Please do not take the following out of context.....This has been
> building
> > > and, it may be a little premature for sharing but, like any good
> "sit on
> the
> > > pot and do your thing" thing, it has to happen.  This would be a
> nice
> time
> > > for non-plain-text 'cause then you'd all be able to see how I
> really
> > > feel....)
> > >
> > > The Wrenches in LADWP have kept a significant element of the issue
> down
> > > there "off-list".
> > >
> > > What stirred the hornets' nest, in my understanding, is the fact
> that
> some
> > > of the Inverters installed down there Island when there is a loss
> of
> > > grid-power.  These inverters come in a "White Box" (Trace SW UPV
> series).
> >
> 
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> 

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