[GTALUG] mysterious restarts

James Knott james.knott at rogers.com
Tue Jun 14 21:43:06 EDT 2016


On 06/14/2016 03:01 PM, Mike via talk wrote:
>
> On Tue, Jun 14, 2016 at 2:58 PM, Russell Reiter via talk
> <talk at gtalug.org <mailto:talk at gtalug.org>> wrote:
>
>     <snip>
>     > Streetcars use 600V as does the subway.  The new Eglinton line
>     will be
>     > 750V though and won't have loops for turning around.
>
>     You don't think that the TTC might be forward planning for 750V
>     all around? Remember it was TTC staff I spoke to who told me the
>     change was to accommodate higher voltage.
>
> Just *imagine* the size of the series resistor you would have to
> install to drive one of those 600V motors with 750V ;-)
>
>

Modern motor controllers can be quite tolerant of significant voltage
variation.  However, I doubt they're changing the voltage.



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