[RE-wrenches] DC Fuses on TL Inverters

[Jerry Shafer]

Wrenches
We have been installing combiners with anything more then 1 string on the
TL inverters. Troubleshooting is better with a remote combiner, its seems a
waist but all our inspectors to like to see it also.
On Jan 29, 2016 10:36 AM, "Mark Byington" <markb at cobaltpower.com> wrote:

>
>
> "Transformerless inverters need fuses on both DC positive and DC negative
> legs to protect the inverter in case of ground fault."
>
>
>
> I could be wrong, but my understanding is that TL inverters are no
> different than transformer type inverters in terms of DC fusing
> requirements - no fuse required for one or two strings in parallel; fuses
> required on + and - leads for 3 or more strings in parallel.
>
>
>
> Mark Byington
>
> Cobalt Power Systems, Inc.
>
>
>
>
>
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