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- 1. Conférence TechnoArk 2016 Energy efficiency with adaptive control ADL Philipp Keiser Sierre, 29.01.2016
- 3. SBB Energy Strategy: Five strategic objectives. Upgrade hydropower plants. Optimise the network. Energy Efficiency. Procure renewable energy. 1 4 2 5 End investment in nuclear power plants. 3 SBB • Infrastructure • Energy Management • 2016 3
- 4. Our installations and our challenges. SBB • Infrastructure • Energy Management • 2016 4 By 2030: The expansion of railway services will require 25% more energy – and even 40% at peak times.
- 5. Energy-saving programme – objectives and structure. Anchor energy efficiency in the company. Efficiency on the move: Target of 600 GWh/year from 2025. Create transparency and manage energy consumption. SBB • Infrastructure • Energy Management • 2016 5 Rail servicesEngineering Development of services
- 7. Initial position. SBB • Infrastructure • Energy Management • 2016 7 As demand is constantly increasing, SBB is reaching its limits in terms of network capacity and timetable stability. Train-path kilometres are expected to increase by 30% between now and 2030. The high level of integration between planning (scheduling) and implementation (the performance of our train drivers) improves precision in the production system. Despite the extra strain, timetable stability is increased.
- 8. Increased precision in production. Calculating energy-optimised and ergonomic journey lines. Supporting train drivers in their choice of driving strategy. Reduced energy consumption when driving. Reduction in avoidable stops at signals. Increasing the number of braking operations with electrical brakes. SBB AG • Infrastructure • ADL Project • 22.04.2014 Project goals.
- 9. Energy demand for a stop. 0 100 50 150 A Bx Energy difference: 100 km/h – 0 km/h – 100 km/h SBB • Infrastructure • Energy Management • 2016 9 Simplified schematic representation: A freight train (1,200 t) is travelling on route A–B at the permitted speed of 100 km/h. Full stop at point x due to red signal: Energy needed for the conflict stop: 147 kWh
- 10. Energy demand for a stop. SBB • Infrastructure • Energy Management • 2016 10 EnergydemandinkWh. Speed in km/h.
- 11. The link between dispatchers and train drivers. SBB • Infrastructure • Energy Management • 2016 11
- 12. ADL – the link between dispatchers and train drivers. SBB • Infrastructure • Energy Management • 2016 Rail Control System (RCS) - Identifying occupation conflicts - Determining the order of trains - Identifying unplanned signal stops - Defining the optimisation corridor GSM-R GSM-P LEA2 / LEA3 Adaptive control - Calculates the optimum speed profile - Sends driving recommendations to the train driver Data SMS Data 12
- 13. approx. 2 sec. Conflict point Conflict detection RCS Double-check the forecast Speed advisory Train speed profile (static) Free run message Avoiding conflicts. SBB • Infrastructure • Energy Management • 2016 13
- 14. Example of ADL optimisation Fast slow fast 100 100 50 522 50232 1822 Vopt 50 km/hVopt 100 km/hVopt 100 km/h Freight train 50232 is optimised between 522 and 1822. Here, the system must prevent 50232 from having to make an unplanned stop while ensuring that 1822 does not arrive late in Lenzburg. In order to solve this problem, ADL first calculates a high speed. As soon as 1822's arrival in Lenzburg is ensured, Vopt can be reduced to allow the train to continue on behind 522 without any conflicts. LenzburgAarau ADL ENDADL END Train 50232 SBB • Infrastructure • Energy Management • 2016 14
- 15. 42 GWh: Wil, St. Gallen Energy saved in 2015. SBB • Infrastructure • Energy Management • 2016 15
- 16. Watt d’Or 2016: Energy-efficient mobility Traffic 34% Air "The Watt d'Or 2016 in the category ‘energy-efficient mobility’ goes to SBB for the innovative ADL system – a system like no other in the world." Road Households Industry Service sector SBB • Infrastructure • Energy Management • 2016 16
- 17. Thank you for your attention.