Control Data 841 disk drive's 3-phase power supply resurrection
cclist at sydex.com
Sun Feb 18 22:02:48 CST 2018
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.
> 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
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