This article generally explains the roles of UPS, which is an abbreviation for Uninterruptible Power Supply, in the railway infrastructure. The roles of UPS are shown as the following.
Roles of UPS in rail infrastructure
- UPS role in buildings and railway stations
First of all, UPSs are perfect for safeguarding mission-critical applications like building management systems (BMS). Large facilities, such as train stations and office buildings, frequently use a BMS to manage and monitor the mechanical and electrical systems of the building, such as ventilation, lighting, fire alarms, and security. The BMS is intended to establish and maintain a safe, productive, and comfortable environment, hence enhancing operating efficiency, lowering energy consumption, and maintaining staff and equipment safety. Importantly, by supplying clean backup power for sensitive electronic devices that are necessary to monitor and maintain the infrastructure, the UPS protects data loss and equipment damage.
- UPS role in railway signalings
Besides that, the rail UPS systems are designed to protect the rail network’s power sources in a reliable manner. UPS systems that are modular and redundant enable the safe and uninterrupted flow of train traffic. Without affecting the vital load, a faulty UPS module may be online-swapped (removed or inserted) in 20 minutes. Take Swiss rail’s UPS as an example, ABB’s approach attempts to eliminate the backup diesel electric generator and boost redundancy by using a battery pack. An ABB dual-frequency UPS converter allows the load to access power networks of multiple frequencies, allowing it to use one or both as needed. If one fails, the dual frequency UPS feeds the crucial load through the other. The UPS battery pack, a third energy storage solution, would deliver electricity for the whole system.
- UPS role in rail passenger service
Furthermore, without the substantial usage of IT technology, modern public passenger transport would be impossible. Applications on static systems, as well as, increasingly, mobile devices, play an important part in the passenger interface. They include timetable information, ticket buying, passenger care, and smooth connections when services are disrupted, starting with the passenger’s planned route. Today, public passenger services are more enticing, with passengers having access to up-to-date, tailored information during their journey. For the development of integrated location-based services, satellite location must be combined with other localization technologies within buildings and vehicles. UPS systems should have protected all of these passenger applications.
- UPS role in rail control centre
Last but not least, control centres consume a lot of energy. Because any railway firm is frequently reliant on the performance of a control centre, it is vital that operations and traffic control are always accessible and that data is kept in a reliable and energy-efficient manner. Thus, uninterruptible power supply (UPS) systems assure a constant flow of clean power to the data centre regardless of what occurs on the power supply side. No control centre can function without a reliable backup power supply. All of these UPS solutions are acknowledged as being at the cutting edge of power protection innovation and technology, with class-leading system reliability, efficiency, availability, scalability, and flexibility.
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