[GTALUG] mysterious restarts

ted leslie ted.leslie at gmail.com
Tue Jun 14 22:02:36 EDT 2016


I always thought it was 60hz for ever!, but (googling) 25 -> 60 in 1949+/-,
(in canada)
you're no spring chicken!! :)

-tl

On Tue, Jun 14, 2016 at 9:56 PM, Peter Hiscocks via talk <talk at gtalug.org>
wrote:

>
>
> > Modern motor controllers can be quite tolerant of significant voltage
> > variation.  However, I doubt they're changing the voltage.
>
> I'm not a power systems engineer, but it could be that changing the supply
> voltage would be a matter of changing taps on a transformer.
>
> As for flag day - I remember as a kid when there was a changeover to 60Hz
> in the hydro system. (Was it 20Hz before that? Something much lower.)
> Anyway, every electric motor in the house had to be changed. Must have
> cost a fortune.
>
> P.
>
>
>
> --
> Peter Hiscocks
> Syscomp Electronic Design Limited, Toronto
> http://www.syscompdesign.com
> USB Oscilloscope and Waveform Generator
> 647-839-0325
>
> ---
> Talk Mailing List
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>
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