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Re: [Melb] Will new trams draw too much current?
- Subject: Re: [Melb] Will new trams draw too much current?
- From: "Daniel Bowen" <dbowen@custard.REMOVE.net.au>
- Date: Sun, 20 May 2001 06:43:19 GMT
- Newsgroups: aus.rail
- Organization: BigPond Internet Services (http://www.bigpond.net.au)
- References: <3B071A7D.789D@iprolink.co.nzzzzz>
- Xref: news1.unite.net.au aus.rail:37349
"David McLoughlin" <davemcl*PISSOFFSPAMMERS*@iprolink.co.nzzzzz> wrote in
message 3B071A7D.789D@iprolink.co.nzzzzz">news:3B071A7D.789D@iprolink.co.nzzzzz...
> It occurs to me that the new Citadis and Combino trams on order for
> Melbourne are power hogs because of their length and weight. Many of the
> cities in Europe using trams of this type use 750 vDC rather than
> Melbourne's 600v and use a pair of overhead wires (close together -- you
> have to look closely to realise it is a twin set) to carry enough
> current. The Sydney system which uses similar trams (Variotrams) has
> 750v and the double wires for this very reason.
>
> Do Melbourne's substations have the capacity to cope with large numbers
> of these trams or will they draw so much power that every tram in sight
> slows to a crawl?
How would this compare to, for instance, the load of all the Bs during Grand
Prix traffic?
Daniel
--
Daniel Bowen, Melbourne, Australia
dbowen@custard.REMOVE.net.au
Melbourne public transport FAQ http://www.custard.net.au/melbtrans/