Re: Solar Train?
Terry Burton (telljb@ozemail.com.au)
Fri, 17 Oct 1997 02:42:52 GMT
dbromage@metz.une.edu.au (David Bromage) wrote:
>Wouldn't work even on a bright day. Just look at the power some fast
>trains generate at the rail:
>TGV Paris Sud-Est: 6450kW
>TGV Atlantique, -R, Duplex, AVE and Thalys: 8800kW
>TGV Eurostar: 12200kW
>ICE/V (410/810): 5600kW cont, 8400kW max
>ICE1 (401/801-804): 9600kW cont, 15200kW max
>ICE2 (402/805-808): 5000kW cont
>ICT (411/415): ~12000kW cont
>ICE2/2 (403,404,406): 8000kW cont.
>I don't have any figures for the various models of Shinkansen.
>At best you'd have about 10x3 metres available on the roof of each car.
>Assuming a 2+8 formation train, that means about 300 square metres
>available for photovoltaic cells.
>The University of New South Wales currently holds the world record for
>independently verified silicon solar cell conversion efficiency of 24%, an
>advantage in performance of nearly 8% over the nearest rival. Under the
>global AM1.5 spectrum of 1000 watts per square metre, this means you'd be
>able to generate about 72kW from the roof of a train. This is 0.81% of the
>power required to drive a new generation TGV up to 300km/h, not counting
>losses during the inversion to three phase AC.
>Cheers
>David
Yes, when the hard engineering facts with present technology
are spelled out, the myth propagated by the "alternative"
Mob becomes just that, a myth.
Heating water for domestic use and commercial low powered DC
applications are a reality, anything else at this point in
time will have to wait.
----Tell
Alice Springs NT