[GTALUG] mysterious restarts
James Knott
james.knott at rogers.com
Wed Jun 15 18:01:02 EDT 2016
On 06/15/2016 10:12 AM, Lennart Sorensen wrote:
> On Tue, Jun 14, 2016 at 10:15:43PM -0400, James Knott via talk wrote:
>> A few years ago, I read a book about power systems in Ontario. There
>> were a few different frequencies, other than 25 & 60 Hz. There were
>> even rotary converters (combination motor & alternator in one unit) to
>> change the frequency. I seem to recall there was still one to convert
>> to 25 Hz for industrial users in the Buffalo area.
> Apparently there was 25Hz produced at Niagara for industrial users
> until 2009. The cost to change all that equipment was considered too
> high and not worth it.
>
IIRC, it was produced at the plant upstream from the falls, which is now
a museum. Also, 25 Hz power was still running the Fort Erie area, until
1966.
https://en.wikipedia.org/wiki/Ontario_Hydro
More information about the talk
mailing list