I've been following this string with interest. The maintenance of decade
old systems is important, as the modules are warrantied for 25 years.
This duration is often considered in payback expectations.
What actually fails in the utility scale inverters? Is the failure
catastrophic, or do
Wrenches:
Here is our answer. The logic is not what I anticipated but it works for
me.
Interesting that there is still a need to list inverters to provide zero
backfeed current. This is necessary if you want to avoid fuses on two
string installations.
William
Miller Solar
17395 Oak
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