Fine and valuable responses. Thank you.
Can anyone respond to my question?
> Has anyone else encountered this sort of requirement? The CBTL
either
> could not or would not provide a written requirement, so this
smells off.
Peter Tarver
Date sent: Fri, 26 Feb 2016 14:59:02 -080
> FWIW, have recorded >4kV transients at a North Carolina
> site twice during previous 14 months.
Unfortunately, we don't know whether the cause was by operation of equipment,
operation of a transient suppression device, or atmospheric discharge. Since
the occurrence rate is so low, and the loc
m: Peter Tarver [mailto:ptar...@enphaseenergy.com]
Sent: Friday, February 26, 2016 2:59 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] IEC 61010-1 and VDRs in OVC III environments
Howdy, howdy, howdy.
Product incorporates Type 5 component VDRs and is installed in an OVC III
environment via field wi
Hi Peter:
Don't use the VDR or any transient suppression. Take it out.
Your insulation is good enough and is not likely to be damaged by a transient
over-voltage.
VDRs and most other transient suppression schemes may protect the immediate
equipment, but generate transients for other equipm
Howdy, howdy, howdy.
Product incorporates Type 5 component VDRs and is installed in an OVC III
environment via field wiring connections. Evaluation for a CB Scheme
Certificate and Test Report.
In recent dealings with a CBTL, I was told that the VDRs in a product
needed to be Type 2. In referencin
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