<snip>
> Its not that you would need to put in heaver lines for higher voltage but a close to 50% increase in voltage may make you replace all the insulators that were rated for 600V with ones rates for 750V.

Staff told me the lines themselves were old and needed replacing, notwithstanding any planned voltage increase.

>
> I would expect the motors on the new cars would be based on AC motors which is the predominant motor type in electric automobiles but with something as big as a train the rules for motor choice may be different.
> With AC motors the control electronics would have to handle the voltage variations but its doable.
>
>
>
> --
> Alvin Starr                   ||   voice: (905)513-7688
> Netvel Inc.                   ||   Cell:  (416)806-0133
> alvin@netvel.net              ||