Re: SLR - Extension construction

[billboltonREMOVE-TO-EMAIL@computer.org (Bill Bolton)]

matthew@mail.usyd.edu.au (Matthew Geier) wrote:

>  The voltage drop at the far end would be considerable. Especially
> with 2 or more trams powering out there.

That depends on where they place the substation and what capacity it
has.

> The current SLR system has 2 substations for approx 4 km of track.

It was engineered with the expectation of extension.  You don't put a
substation near the end of a line!   One substation would be quite
adequate to run the existing line.

> Unless they are going to bury a nice thick 750 volt feed from the
> Fish Markets sub, they will have voltage drop problems.

Again, that depends where they put a new substation.   

>  I don't know about the old Sydney tramway...

The entire North Sydney system, which had many heavily graded routes,
ran off three substations.

Cheers,

Bill