At 10:52 AM 6/1/98 -0800, you wrote:
Oh, and who uses 400hz for line frequency?
Common AC distribution voltage on aircraft and other weight-is-important
vehicles.
Oddly enough a lot of the HP stuff is spec'd to run on 50 to 440 Hz. I'm
not sure why unless it's to allow it to also be used in aircraft but that
doesn't seem likely.
Joe