Jimbo wrote:
After reading Gary's post I'm beginning to think this clean power thing
isn't as critical as I have been led to believe.

I think so too. Many of the ATX power supplies
available today will run on 90 to 240 volts with
no adjustment.


Jimbo
"Greg M" wrote in message
...

- Gary Coffman - spluttered in
m:


On 14 Feb 2004 17:30:09 -0600, Barry S. wrote:

Has anyone hooked up an oscilloscope to the AC outlets of an engine
driven welder? How clean is the output? Could you run a computer,
radio, television, or laser printer off it?

I have a Miller Bobcat. The scope says the output is as pure a
sinewave as I see from the utility company. That's to be expected
since it is an alternator, what else could it be? The frequency varies
around a bit (function of engine RPM), but only things like electric
clocks and old phonograph turntables care much about the frequency
being precisely 60 Hz. Voltage regulation is pretty decent at light to
moderate loads, about +/- 5%. With a heavy switched load, I've seen
voltage momentarily drop as much as 15%. All of that is acceptable,
and comparable to what you'd get from the utility with a slightly
undersized service drop.

snip

Nice post Gary.

Thanks.