24 Apr
2005
24 Apr
'05
11:03 a.m.
On 4/24/05, Gordon JC Pearce <gordon at gjcp.net> wrote:
Jim Beacon wrote:
I presume they are direct coupled, but each motor is of a type for the
frequency involved. AFAIK that's done by the geometry of the stator
and the windings.
-ethan
We used to do it at work to run a 60Hz machine of
a 50Hz supply, though it
was 3 phase in and out.
How does that work, then?
Motor, generator and a 5:6 ratio gearbox? 1500rpm in, 1800rpm out, sort
of thing?