Hello Wrenches,
We have a project with an array on a large metal roof. The AFCI has
been tripping. Investigating the system, there is no evidence of any
arcing: the wiring and connections are all very tight.
SMA tech support says it is likely that the nuisance tripping comes
from electrical noise getting picked up by the large metal roof.
What has been your overall experience with nuisance tripping of arc
fault protection? What were the suspected causes? What was the solution?
Thanks,
Drake
Drake Chamberlin
Athens Electric LLC
OH License 44810
CO License 3773
NABCEP Certified Solar PV
740-448-7328
<http://athens-electric.com/>http://athens-electric.com/
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