Re: VIC/ALL Power strike impact on rail?

["B." <gunzel412@dingoblue.gunzel.net.au>]

Chris Gordon <cmgord@VICSIG.alphalink.com.au> wrote in message
3A020F88.889097DF@VICSIG.alphalink.com.au">news:3A020F88.889097DF@VICSIG.alphalink.com.au...

> All Depends on where the feed into the system is.  There are
> two power systems one for the overhead and one for the
> signalling (there is another for the workshops, but that is not
> needed to run trains).

> If the feed into the system is down then another feed can be
> used and bypass the dead one.  They should keep the whole
> system going. (Overhead alive).

> Signalling is similar, expect the Epping line takes the power
> for the signals straight off the street not through the
> signalling power system (very bad).  So if the street power
> goes down then it tries the other street if that is down you
> have no signals.

> Not sure how the Upfield line works.

1000V Signal Power Supply from the traction subs (1000V Mining
gear is cheaper than special 2.2kV stuff), with backup 240V
supplies into each crossing/location from the local street mains.

--
B.

Email - gunzel412 at dingoblue dot net dot au
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