| Re: Maximum train current - Proposal for extension of infrastructure scheme in railML 2.4 [message #1695 is a reply to message #1694] |
Mon, 29 January 2018 11:14   |
christian.rahmig
Messages: 436
Registered: January 2016
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Senior Member |
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Dear all,
I created a Trac ticket for the specific issue. It is available in [1].
[1] https://trac.railml.org/ticket/319
Best regards
Christian
Am 29.01.2018 um 10:34 schrieb Christian Rahmig:
> Dear Mr. Frenzke,
>
> thank you for bringing up the topic of maximum train currents that I
> would like to comment on from railML.org side:
>
> Am 28.01.2018 um 23:13 schrieb Dr. Thorsten Frenzke:
>> Dear all,
>>
>> on some line sections with electric traction system the maximum
>> allowable current and power of a train is limited by the electrification
>> (see also EN 50388).
>> This may have influence on acceleration, running times and energy
>> consumption, especially of high speed trains and multiple unit
>> formations.
>>
>> Up to now there is no railML-element or attribute for considering such
>> limitations.
>
> That is correct for railML 2.x. In railML 3.1 beta that had been
> released on October 31, 2018, a first version of the maximum train
> current topic has already been implemented.
>
> An example based on this implementation in the infrastructure scheme
> looks like this:
>
> <electrification>
> <energyCatenary maxPantoCurrentStandstill="800"
> maxTrainCurrentDriving="3000"/>
> </electrification>
>
> The values are given in Amperes [A].
>
>> Sometimes, e.g. in Germany, there are different maximum allowable
>> currents for passenger and freight trains.
>
> In order to allow for train category specific maximum train currents, a
> modification of the schema has been discussed. The adapted example would
> look like this:
>
> <electrification>
> <energyCatenary maxPantoCurrentStandstill="800">
> <maxTrainCurrentDriving maxCurrent="3000" trainType="passenger"/>
> <maxTrainCurrentDriving maxCurrent="1200" trainType="freight"/>
> </energyCatenary>
> </electrification>
>
>> Maybe it makes sense to add other optional attributes for this.
>
> I would like to direct this question to the infrastructure managers and
> electrification experts:
> Are there any further parameters that are relevant for the maximum train
> current? Any feedback is appreciated...
>
> Best regards
> Christian
>
--
Christian Rahmig - Infrastructure scheme coordinator
railML.org (Registry of Associations: VR 5750)
Phone Coordinator: +49 173 2714509; railML.org: +49 351 47582911
Altplauen 19h; 01187 Dresden; Germany www.railml.org
Christian Rahmig – Infrastructure scheme coordinator
railML.org (Registry of Associations: VR 5750)
Altplauen 19h; 01187 Dresden; Germany www.railML.org
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