In a message dated 01/01/2001 6:34:20 PM Pacific Standard Time,
creuter@rocketmail.com writes:
I have an old 4000 watt T-former that Photron put out and it was installed
with a Trace 4024 to provide 220volts for a well pump until I ended up
stacking inverters. I now wish to use it off the 220v out put from a Honda
generator to do a step-down before it feeds a single inverter. The original
step up was a simple install in which the t-former had a common in-out
neutral and a 110v hot input and a single 220v output( 3-wire autoformer)
But to go the other direction how the heck do I wire it? If one wire is
neutral and one is input and the other output how am I tying to the plug
off the genny? I dont have any literature except a info sheet that said it
can work either way and as some of you know Photron went belly up and I
believe Lawrence Jennings was exiled to Siberia or some such fate. Carl !
!
Reuter
There is a problem here. I'm not real comfortable with this but one way
around this is to isolate the genset neutral. One side the xfrm output will
be the neutral on the 120 side. On second thought, I think this is a bad
idea. There is potential for serious trouble- for instance on many gennys the
neut is internally bonded to ground. I recall grapling with this with another
Photron auto former.
Don
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