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Author Topic: Denomination of four pantographs locomotives  (Read 441 times)

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Offline biela49

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Denomination of four pantographs locomotives
« on: October 20, 2019, 06:52:52 PM »
Not sure if the topic is correctly placed here, but I put the question:

Which is the correct denomination of locomotives with four pantographs that are able to run under four different electric feeding systems? And those  designed for three? And for two?
Quadricurrent? Threecurrent? Bicurrent?
« Last Edit: October 20, 2019, 06:56:44 PM by biela49 »

Online chrism

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Re: Denomination of four pantographs locomotives
« Reply #1 on: October 20, 2019, 07:06:47 PM »
I would have thought it'd be more like dual voltage, triple voltage, etc.

Wikipedia describes the original Eurostar class 373s as tri-voltage.

Offline daffy

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Re: Denomination of four pantographs locomotives
« Reply #2 on: October 20, 2019, 07:16:00 PM »
I believe the correct term is ‘multi-system locomotive’.

See here:

https://en.m.wikipedia.org/wiki/Multi-system_(rail)

Common on European railways where cross-border lines can have different electric power characteristics.
Mike

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Online weave

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Re: Denomination of four pantographs locomotives
« Reply #3 on: October 20, 2019, 08:42:14 PM »
Hi biela49,

'Quad-voltage' if you believe wiki about the SNCF CC 40100....

https://en.wikipedia.org/wiki/SNCF_CC_40100

Salud weave  :beers:

Online swisstrains

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Re: Denomination of four pantographs locomotives
« Reply #4 on: October 20, 2019, 09:49:51 PM »
I agree with Daffy. I think "Multi-System" is probably the best description as separate pantographs are not always provided for different voltages. Some countries have the same voltage but require pantograph heads of different widths. An example is Germany and Switzerland. They are both 15kV but the pantograph needs to be narrower in Switzerland because of limited clearances.
John

Online njee20

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Re: Denomination of four pantographs locomotives
« Reply #5 on: October 20, 2019, 10:07:10 PM »
"Multi-system" as a catch all, bi-voltage, tri-voltage and quad-voltage for each of the specific terms is what I'd always use.

Online woodbury22uk

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Re: Denomination of four pantographs locomotives
« Reply #6 on: October 21, 2019, 08:51:15 AM »
Hi biela49,

'Quad-voltage' if you believe wiki about the SNCF CC 40100....

https://en.wikipedia.org/wiki/SNCF_CC_40100

Salud weave  :beers:

The French themselves refer to the  CC40100 as "quadri-courant", and I have seen the more correct "bi-courant quadri-tension" - dual current, four voltage.
Mike

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Offline marco neri

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Re: Denomination of four pantographs locomotives
« Reply #7 on: October 21, 2019, 08:36:11 PM »
Hi,
Multi-system generally...with new Siemens and Bombardier....
old slang/dialect Quadricorrente=Quadricurrent

Marco
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Offline Gordon

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Re: Denomination of four pantographs locomotives
« Reply #8 on: October 22, 2019, 01:26:57 AM »

The French themselves refer to the  CC40100 as "quadri-courant", and I have seen the more correct "bi-courant quadri-tension" - dual current, four voltage.

Yes, that is based on the 'old days' language that was more simplistic and didn't cater for the complexities of the technology, as mentioned, which is why 'multi-system had taken over.

In English it was always 'dual voltage' afair
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Re: Denomination of four pantographs locomotives
« Reply #9 on: October 22, 2019, 03:45:35 AM »

The French themselves refer to the  CC40100 as "quadri-courant", and I have seen the more correct "bi-courant quadri-tension" - dual current, four voltage.

Yes, that is based on the 'old days' language that was more simplistic and didn't cater for the complexities of the technology, as mentioned, which is why 'multi-system had taken over.

In English it was always 'dual voltage' afair

Wikipedia describes the original Eurostar train as tri-voltage.
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Online njee20

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Re: Denomination of four pantographs locomotives
« Reply #10 on: October 22, 2019, 10:52:56 AM »
You can't universally replace a number specific term with a generic one.

"the quad-voltage Thalys PBKA shares a lot of commonality with the dual-voltage TGV POS" is markedly more descriptive than "the multi-system Thalys PBKA shares a lot of commonality with the multi-system TGV POS".

Dual/tri/quad is a more descriptive term. Whether common parlance is to just say "multi system" is something else, but it is a less descriptive term, and thus a more specific one must still exist.

Offline biela49

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Re: Denomination of four pantographs locomotives
« Reply #11 on: October 29, 2019, 08:53:19 PM »
Thank you all for help me widening my english railway vocabulary.

So, I can invite you all (I hope) in correct english) to watch this video of multi-system, quad-voltage. Taurus locomotives.

« Last Edit: October 29, 2019, 09:13:56 PM by biela49 »

 

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