RK05 spindle pulleys - trade 50Hz vs 60Hz?

Paul Koning paulkoning at comcast.net
Thu Jul 26 11:15:13 CDT 2018

> On Jul 26, 2018, at 10:54 AM, Anders Nelson <anders.k.nelson at gmail.com> wrote:
> To get that power, did they have to use a rotary convertor from 60Hz 3-phase to get 400Hz?
> https://en.wikipedia.org/wiki/Rotary_converter

No, a motor-generator: https://en.wikipedia.org/wiki/Motor–generator.  Same purpose, but constructed as a motor attached to a generator, rather than the two merged into a single armature.

http://www.bitsavers.org/pdf/cdc/cyber/cyber_70/fieldEngr/60142400B_6000_Series_Site_Prep_Sep65.pdf shows the ones CDC used, starting on page 27.


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