Traxx F160 DE ME Diesel engine
Nominal output
Starting tractive effort Electric braking effort Dynamic brake power Maximum speed
Technical data:
Train power supply 100V/22Hz/480kVA Wheel arrangement Axleload
4x Caterpillar C18 Bo-Bo
21 tonnes 2252kW 300kN 150kN
1600kW 160km/h
Traction converter IGBT/Mitrac TC 3320 DE Fuel tank volume
2700 litres Installing the Caterpillar C18 engines at Bombardier’s Kassel plant in Germany.
equipped with its own cooling tower, which incorporates heat exchangers for the diesel engine and the alternator. Extensive testing was necessary to validate the performance of this engine arrangement, and Bombardier set up a test bench in a specially-adapted container at its Powerlab in Zurich which comprised a “half locomotive” with two engines and associated cooling units and exhaust systems. Tests closely simulated real operating conditions, focusing on the interaction between the diesel engines, as well as the behaviour of the alternators and the traction converter. This also allowed
Diesel-alternator unit 2
engineers to corroborate the temperature behaviour of the engines and demonstrate that the overall system was easy to control. Bombardier says arranging four engines in a bodyshell designed for a single power unit was particularly challenging, and the development process focused on optimising weight balance, engine mounting, distribution of cooling air and accessibility for maintenance.
The use of Bombardier’s proven
TraxxControl control system means the driver sees little difference between the Traxx DE ME and a conventional Traxx
Cooling unit Automatic train protection Low-voltage cubicle
diesel. The most obvious distinction in the driver interface is that there are four temperature indicators and rev counters instead of one, and the driver has the option of shutting down or starting engines according to the prevailing load, track conditions, and acceleration/ braking requirements. The debut customer for Traxx DE ME is German Rail (DB), which signed a framework agreement with Bombardier in 2011 for up to 200 locomotives, with an initial order for 20 160km/h passenger units, which are designated class 245. The first locomotives will enter service in the fourth quarter of next year, and will be used on regional trains around Frankfurt and Kempten in southwest Germany. While the class 245 undergoes certification in Germany, Bombardier says it will continue to operate the test bench in Zurich with the aim of further optimising fuel consumption and interaction with mechanical equipment. IRJ
Diesel-alternator unit 1 IRJ December 2012
Compressed air cubicle 31
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