[RE-wrenches] Unusual problem with SMA TL inverter on metal roof

Marco Mangelsdorf marco at pvthawaii.com
Thu Mar 13 19:31:03 PDT 2014


Friends,

 

We have run across an odd technical problem at our commercial install at a
laundromat on our island.   Attached is the description of the issue from
SMA.  We don't know much except that we are switch out the TL inverters to
the old style US inverters because SMA has no fix for the phantom ground
tripping.  The issue is beyond our feeble understanding.  

 

Any observations to share?

 

Thanks,

 

marco

 

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