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

Al Kossow aek at
Sun Feb 18 17:14:58 CST 2018

On 2/18/18 9:34 AM, P Gebhardt via cctalk wrote:

> As far as I know, some computer installations used 400Hz 3-phase back in the days. Does anybody know, if that is the case for this type of drive systems?

Looking at the manuals, it is 3-phase 50Hz, with the phases split between different parts of the drive.

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