Inverter tripping AFCI [RE-wrenches]

Doug Pratt dmpratt at sbcglobal.net
Sun Jan 14 12:26:29 PST 2007


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Jim, find out if it's the SW's first. Flip the AC bypass switches on the
SW's output, then switch off the SW's. You're supplying straight up grid
power to the house now. No inverter involvement at all. Still popping your
AFCI? Not the inverter's fault! 

Cheers,
Doug Pratt
DC Power Systems

-----Original Message-----
From: Jim Easton [mailto:jim at altenertec.com] 
Sent: Friday, January 12, 2007 10:42 AM
To: RE-wrenches at topica.com
Subject: RE: Inverter tripping AFCI [RE-wrenches]



We have customer with a pair of SW5548s grid-tie feeding an AFCI protected
load. The AFCI trips when energized -- thus disconnecting the load.

I am concerned that there might really be an arc fault somewhere -- although
I would expect it to burn itself out eventually, or, more probably, the SWs
are generating electrical noise that is tripping the AFCI.

Anyone have experience with inverters & AFCIs that might help in analyzing
or correcting the situation?

Thank you.

Jim Easton PE
Alternative Energy Technologies
www.altenertec.com
CSL: 852243
9465-B Mission Park Place
Santee, CA 92071
Tel: 619-262-8800
Fax: 619-562-8811
Cell: 858-527-0240

[Non-text portions of this message have been removed]


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