SNCF BB 20011 and 20012
| SNCF BB 20011 SNCF BB 20012 |
|
|---|---|
| Power type | Electric |
| Model | SNCF BB 22200 |
| Rebuild date | 1985 : 20011 rebuilt from 22379[1] 1986 : 20012 rebuilt from 22380[1] 1994 : both rebuilt for TTU[2][note 1] 1995 : both rebuilt to standard BB 22200[2] |
| Gauge | 1435mm |
The SNCF BB 20011 and SNCF BB 20012 were electric locomotives used for testing, built by Alsthom between 1985 and 1986. The two locomotives were the synchronous dual-voltage prototypes for Class BB 26000.
In 1994 the locomotives were re-used for work on the channel tunnel, then converted to standard class BB 22200s in 1995.
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[edit] History
[edit] SNCF BB 26000 test locomotives
In 1985 and 1986 the SNCF BB 22200 locomotives numbers 22379 and 22380 were modified[1] to test dual voltage electric traction equipment, the microprocessor control, and auxiliary variable speed induction motors. 20012 was used to test the combination of pneumatic brake system and electric brake system.[3]
[edit] Channel tunnel machines
In 1994 the units were used in the channel tunnel as motor engines for TTU trains.[2][note 1] (Channel tunnel freight engines)
[edit] Conversion to standard locomotives
In 1995 the locomotives were converted back to standard SNCF Class BB 22200 type.[2]
[edit] Miniature models
The locomotive 20011 has been produced by Marklin[5] and Roco[6][7] in HO scale.
[edit] References
- ^ a b c Isabelle Saillot. "Une histoire technologique du THALYS" (in french). isabelle-saillot.com. http://isabelle-saillot.com/thalys.htm. "... la SNCF avait fait modifier la BB 15055 en BB 10004 puis les BB 22379 et 22380 alors en construction, en BB 20011 (1985) et 20012 (1986)"
- ^ a b c d "SNCF withdrawn dc electric locomotives". www.railfanurope.net. http://www.railfaneurope.net/list/france/france_sncf_del.html. "Class 22200 (nrs. 379-80), delivered as prototypes BB 20011-12 with synchronous motors (for Class 26000). Rebuilt as TTU (1994), then as original 22200s (1995)"
- ^ "Traction ferroviaire 1ére partie : Evolution des choix technologiques de ces 30 dernières années Influence des composants de l’électronique de puissance sur les choix technologiques [Railway Traction (1st part) : Evolution of technological choices over 30 years, influence of components on power electronics technology decisions]" (in french). science-physiques.ac.dijon.fr. http://sciences-physiques.ac-dijon.fr/documents/lycee/phys_app/traction_fer/traction_fer.pdf.
- ^ Olivier Serre. "Abréviations" (in french). lwdr.free.fr. http://lwdr.free.fr/abreviations.html.
- ^ "B.Z.T - Galerie de photos - MÄRKLIN" (in french). www.bxt87.com. MACHINES ÉLECTRIQUES SNCF. http://www.bzt87.com/BZT/MARKLIN/MARKLIN-F1.htm.
- ^ "Locomotives pour trains d'essais" (in french). www.trains-speciaux.fr. http://www.trains-speciaux.fr/cadres-droite/liste_locomotives_trains_dessais.htm.
- ^ Helmut Kern. "Roco Frankreich ELok BB 7200,15000,20000,22000" (in german). www.bahn.hfkern.de. http://www.bahn.hfkern.de/Roco/SNCF_BB7200.html.
[edit] Notes
- ^ a b TTU from Transmanche (cross channel) + TVM (Transmission Voie-Machine) + UM (Unité Multiple / Multiple units)[4]
[edit] External links
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Wikimedia Commons has media related to: SNCF Class BB 20011 |
- Images
- "BB 20011 -14.04.1989 - Brérigny - Bernard VIEU". www.railfaneurope.net. http://www.railfaneurope.net/pix/fr/electric/dual/20000/SNCF_20011_1.jpg.
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