| Reducing Train Weight and Simplifying Train Design by Using Active Redundancy of Static Inverters for the Onboard Supply of Rolling Stock
G. Bachmann/D. Wimmer
International Journal of Railway, vol. 1, no. 3, pp.89-93, 2008
Abstract : Reliability of onboard power supply systems on rolling stock is a very important issue for the railway operator. While a
failure of the HVAC supply results in a loss of comfort for the passengers, a failure of the supply for air compressors or
for the traction cooling systems results in towing the train. This is, looking at the required availability of a train, not
acceptable. An active redundancy concept for the onboard power supply maximizes the availability of the system.
This paper describes such a system under the aspect of
• Weight reduction
• Continuous operation when changing from normal to redundant operation
• Flexibility in train design
Keyword : static inverter, rolling stock, availability of power supply, active redundancy |
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