Re: Re: Millenium Train Update

[David Johnson <trainman@ozemail.com.au>]

On Mon, 7 May 2001 16:26:56 +1000, "Adam Dunning"
<adamdunning@start.com.au> wrote:

>The conversion of DC power to AC raises the questions:
>
>Are they dual or singal voltage (ie can they run on the 1.5kV DC and 25kV AC
>(if that ever happens))?

They will be built for 1500VDC only.

>Can they be converted to dual voltage or full AC latter in their lives
>(again, if 25kV AC ever happens)?

Anything is possible, but at a price.   Remember that 25kVAC is single
phase, so you'll still need a VVVF inverter to run the motors from an
AC supply.


David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/
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