Re: [SystemSafety] Lac-Megantic disaster

From: Peter Bernard Ladkin < >
Date: Thu, 11 Jul 2013 11:54:20 +0200

On 7/11/13 11:48 AM, Matt Squair wrote:
> The actual reason has to do with operational efficiency as it takes time to pump up a trains
> reservoirs from ambient. Leave one loco on to run its air compressor and you can get away quickly in
> the morning.
> Of course if all the needed park brakes aren't applied and then for some reason the online loco is
> shutdown...
> As a side note, an increasing number of locomotives have what's called an Auto Engine Start Stop
> function to save fuel. With AESS the locomotives control system will monitor air reservoir pressure
> and only start the main engine if needed to run the air compressor. Modern freight trains are quite
> sophisticated and complicated systems.

I dunno about sophistication. Why isn't there an APU for such functions?

PBL Prof. Peter Bernard Ladkin, Faculty of Technology, University of Bielefeld, 33594 Bielefeld, Germany Tel+msg +49 (0)521 880 7319

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systemsafety_at_xxxxxx Received on Thu Jul 11 2013 - 11:54:29 CEST

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