[GTALUG] mysterious restarts

[Lennart Sorensen]

On Wed, Jun 15, 2016 at 06:15:30PM -0400, James Knott via talk wrote:
> At work years ago, we had "no break power", where incoming AC ran a
> motor connected to an alternator and an 8 ton flywheel.  When the power
> failed, a clutch would kick in the diesel, with the flywheel maintaining
> the power, while starting the diesel.  One problem though was the output
> AC frequency was slightly low and threw off the real time clocks in the
> computers.

Who built a computer that cared about AC frequency to drive the real
time clock?  Never heard of anyone doing that.

Must have been a large machine given all microcomputers are fed DC from
their power supply and have no clue nor care what the AC frequency was.

-- 
Len Sorensen