Control Data 841 disk drive's 3-phase power supply resurrection

Al Kossow aek at bitsavers.org
Sun Feb 18 18:55:01 CST 2018



On 2/18/18 4:07 PM, Chuck Guzis via cctalk wrote:

> Generally, the electromechanical stuff (motors) was run from 208V
> 3-phase and often, the electronics from 400Hz.
> 
> At least that's what I recall.
> 
> --Chuck
> 

that isn't what the schematic looks like.
there is a low voltage transformer hung off one of the phases



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