What is it called when the 60hz line power becomes something else?

From: Joe <rigdonj_at_intellistar.net>
Date: Mon Jun 1 14:49:39 1998

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
Received on Mon Jun 01 1998 - 14:49:39 BST

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