Windy. Here is a wild one that may only be food for
thought
The RMS VAC seems to correspond to the
210 peak ( .707 x 210 = 148)
Since the negatives are common to both inverters
internally what if the lighting caused a very small short in one of the
inverters transformers and is now acting as a center tap (.707 1/2 square root
of two for full sine wave) acting like a higher turns ratio of primary to
secondary.The short of the windings probably would not cause an overcurrent trip
if the sum of the potentials across both circuits is still zero.
Just sitting here pondering this whole thing and
that is the first thing I came up with. I know it is wild and really challenges
my elect 101.
These are the problems that drive us up a wall.
Just makes wrenches that much better than mister "sit behind the desk and take
orders"
Hah! Hah!
Larry
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