SNCF BB 20011 and 20012

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SNCF BB 20011
SNCF BB 20012
Type and origin
Power typeElectric
ModelSNCF BB 22200
Rebuild date1985 : 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]
Specifications
Gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

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.

History

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SNCF BB 26000 test locomotives

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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]

Channel tunnel machines

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In 1994 the units were used in the Channel Tunnel as motor engines for TTU trains.[2][note 1] (Channel tunnel freight engines)[5]

Conversion to standard locomotives

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In 1995 the locomotives were converted back to standard SNCF Class BB 22200 type.[2]

Miniature models

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The locomotive 20011 has been produced by Märklin[6] and Roco[7][8] in HO scale.

Notes

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  1. ^ a b TTU from Transmanche (cross channel) + TVM (Transmission Voie-Machine) + UM (Unité Multiple / Multiple units)[4]

References

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  1. ^ a b c Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  2. ^ a b c d Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  3. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ BB 22000 testing begins Rail issue 204 7 July 1993 page 45
  6. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  7. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  8. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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Images
  • Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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