Motors
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Motors transform the electrical power from the traction system to mechanical power to get the train moving: Alstom motors enable trains to operate at speeds of up to 574.8 km/h (World rail speed record set by Alstom/SNCF and RFF on April 3, 2007).
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Description
Thanks to its extensive catalogue of motors covering all rolling stock types, Alstom provides its customers with optimised solutions adapted to their integration and operating constraints:
- Asynchronous or synchronous (Permanent magnet motor)
- Open or closed
- Self-ventilated or forced-ventilated or water-cooled
- Winterised or tropicalised if needed
Alstom optimises motor integration in the bogie and the traction chain while adapting them to non-Alstom material.
Each year, about 6,000 motors are manufactured and increase Alstom’s proven motor fleet successfully operated worldwide.
Combining the widest spectrum of applications for permanent magnet motors (PMM) with the return on experience of more than 3,000 PMMs in service, Alstom is today the unrivalled leader of PMM technology in railway applications.
The PMM’s main specificities are:
- Improved motor efficiency by up to 3% vs asynchronous enabling substantial energy savings
- High power density enabling for instance innovative architectures thanks to reduced motorisation rate
Permanent magnet motors are key to the successes of a wide range of Alstom trains fro tramway applications to very high speed ones.
Our motor engineering centre at Ornans (France) is the heart of Alstom’s motor innovations: the Ornans site has been designing best-in-class motors since 1919. Its cutting-edge validation facilities guarantee that even our most innovative products are reliable: Validation of the motor within its traction system, bearings fatigue test bench, fatigue test bench to validate new concepts, semi-anechoic chamber for noise performance deep validation.
Close to our customersAlstom supports its customer projects via a network of ISO 9001-certified manufacturing locations, while retaining a single design authority. In addition to its historical manufacturing centres in France (Ornans) and USA (Hornell, NY), Alstom has created a joint venture in China (Xian): Xayeeco has produced nearly 7,500 motors since its creation in 2006.
Alstom accompanies its customers by offering a range of customised services for their trains and sub-systems – whether built by Alstom or not – throughout the entire lifecycle. Thanks to our catalogue of motor spare parts and our full range of maintenance and overhaul expertise, we help our customers to stay focused on their core business while minimising the lifecycle costs of their equipment.
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