approved disconnects [RE-wrenches]

Wed Apr 4 17:14:05 PDT 2001

Bill,

My inverter was manufactured sometime before 2000.  Does it still meet IEEE?
Did I hear something about needing to add/replace the firmware to meet IEEE
929 for older SW's?  I must admit Trace has been of no help. The best they
could do was tell me to give the utility a copy of the owners manual.

Travis
----- Original Message -----
From: "Bill Brooks" <billbrooks7 at earthlink.net>
To: <RE-wrenches at topica.com>
Sent: Wednesday, April 04, 2001 6:33 PM
Subject: RE: approved disconnects [RE-wrenches]

> Travis,
>
> Your utility needs to get a copy of the IEEE 929-2000 interconnection
> standard. UL Standard 1741 tests the inverter and was revised to meet the
> requirements in IEEE 929 on November 7, 2000. All UL-listed units,
> manufactured after November 7 with the words "Utility-Interactive" printed
> on the listing label, have been tested to the IEEE 929 requirements.
>
> The utility engineers who worked with the IEEE 929 standard are the most
> well respected in their field--this means that any utility that refuses to
> accept this standard are disagreeing with the top utility engineers in
this
> field. Once we get down to the facts of this situation, I have not found
> many utilities that continue to insist on their own way.
>
> There is a tremendous body of work that has gone into standardizing
> interconnection, but most people in our industry and the utility industry
> are unaware of extent of this work.
>
> Bill.

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