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

[Chuck Guzis]

On 02/18/2018 04:55 PM, Al Kossow via cctalk wrote:
> 
> 
> 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

Perhaps that's only for controllers and CPUs and such.  It's been too
long...

--Chuck