Copenhagen metro: powering a fully automated urban transport network

Overview

The Copenhagen Metro is a fully automated transport network with 44 stations, operating driverless trains and supporting continuous urban mobility. The network is constantly expanding with new lines and stations.  

Challenges

Ensuring reliable power in a metro environment requires: 

• Continuous power for signalling and train control systems 
• Support for station operations (ticketing, passenger information, emergency lighting) 
• Reliable energy supply for data centres and network operation centres (NOC) 
• Robust systems adapted to underground and remote environments 

Solution 

CE+T Power, working closely with its local partner and the metro operator, deployed a customized modular Flexa UPS architecture across the metro infrastructure: 

• More than 80 UPS systems installed across stations  
• Approximately 300 Flexa modules in operation  
• Systems in service for over 8 years  
• Each power system was sized and configured according to the operational, technical and environmental requirements 

Each system is configured to ensure high availability and protection of critical loads, including signaling, control, and communication systems. 

Key Results 

• 44 stations secured with reliable power infrastructure 
• Continuous operation of driverless metro system 
• High system availability over long-term operation (>8 years) 
• Protection of both operational systems and control centres 

Why CE+T 

Key selection drivers included: 

• Phase balancing capability to correct grid imbalances 
• Compact design for underground installations 
• High reliability and system stability 
• Hot-swappable modules ensuring uninterrupted operation 
• Ease of use and maintenance without licensing barriers 
• Custom-designed power systems aligned with the customer requirements