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TE04 Enabler 4


Integration of various sources in different systems (e.g. 25kV AC, 1,5/3kV DC), of renewable energy, energy harvesting technologies, superconducting, breaking energy recovery, etc, as well as the integration of energy storage with TRL6 targeted in 2025.

Project: - FP4 - Rail4EARTH (01/12/2022 - 30/11/2026)

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Work Packages

Currently available work packages:

WP10 Smart infrastructure power supply

The objective of this work package is to develop and integrate innovative solutions (more active energy control, use of ESS, new parallel power converters, optimisation, and management tool of energy in the infrastructure) into the legacy railway system to improve and enhance the infrastructure traction power supply. It is expected to perform specifications, development of new products, tools, and equipment of the solutions with demonstrators in operational environment. The work from WP10 contributes to the reduction of the global energy consumption, reduction of the Life Cycle Costs (LCC) of infrastructure and reduction of the physical CO2 equivalent emissions (LCA).

WP12 Railway energy hubs. Implementation and demonstration

Based on WP11 outcome, the main aim of WP12 is to develop a new way of powering railway grid with the use of Renewable Energy Sources (RES) and local energy balancing solutions, such as energy storage systems and regenerative braking efficiency improvement. As a result, so-called energy hubs will be created. Within such an energy hub due to developed logic and control devices for energy flow management the energy balance and energy efficiency will be optimised, thus leading to the maximised grid saturation of RES as well. The WP12 will be focused on implementing energy hub demos and their management algorithms in a variety of different locations and conditions, as well as on developing virtual power plant (and Demand Management 
i. In short, objectives of WP12 are: 
- creating rules for railway energy hub settlement, 
- defining good practices for development of energy hubs, 
- creating place for additional RES in near-railway grid, 
- developing railway energy hub’s position as an important part of local community, 
- defining place for additional services in energy hub, 
- developing DSR and DSM solutions for railway. 
- integrating RES, energy storage and braking energy recovery systems, 
- increasing efficiency and performance of the multi-voltage DC traction system, 
- improving sustainability of the infrastructure, 
- minimizing environmental impact and energy consumption, also leading to energy and equivalent CO2 savings in the rail system. 
ii. the developments will contribute to : 
• Decrease  the physical CO2 equivalent emissions (LCA) linked to wider usage of RES and more local use of energy, instead of powering energy hubs from more emissive sources 
• Decrease the  physical energy consumption thanks to decreasing loses of powering local grid, as energy will be generated and used locally
• Energy Storage System power and energy capability for peak shaving increase, as it will be one of the scenarios of working energy storage in energy hubs. 
• Increase the Consumption of renewable energy, as some of the ES will let to connect to grid new sources 
iii. in the output of the WP will also have indirect impact for development of hydrogen storage performance (as it will support usage of technology), saving energy in hub (as a result of better use of recuperative energy braking) and, due to decrease of usage of another energy sources, reduction of carbon footprint and improvement of air quality.

Public Deliverables

Currently available deliverables:

D10.2 Design and control strategies for energy storage integration in AC infrastructure
D10.4 Smart infrastructure power supply demonstrator integration studies final report
D10.5 Optimization algorithms for operation, sizing and placement of energy storage in AC infrastructure final report
D12.3 Best practises of creating energy-hub based on project result final report
All deliverables, results and publications herewith provided reflects only the author's view and the EURAIL is not responsible for any use that may be made of the information it contains.