Abstract
In this paper, the Horizon 2020 project FCH2RAIL is outlined. The project aims to develop a bi-modal propulsion system, which combines an overhead catenary powertrain and a hydrogen fuel cell battery electric hybrid system to enable operation on tracks with mixed electrification. A key element is the fuel cell hybrid power pack and its modularity. Therefore, a methodology was developed to derive generic and well-suited fuel cell and battery block sizes. A work flow is set up, which combines a vehicle simulation and a fuel cell hybrid propulsion system model. Using statistical analysis, required battery and fuel cell block sizes are derived. With the developed methodology, 17 kWh were determined for the battery block and 47 kW for the fuel cell block. These dimensions are well-covered by market-available components, which demonstrates the applicability of the proposed methodology.
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