Railway technology
TÜV NORD Bahntechnik is your partner for safe train control, train protection and signalling systems. With comprehensive expertise in PZB, LZB, ETCS and safety requirements, we provide support with testing, approvals and the implementation of relevant standards.
The term CCS - short for control, commandand signalling- covers various systems whose task is to communicate information between the track and the traction unit and to signal it to the driver. If certain signals are not correctly observed by the train driver, serious accidents can occur. In this case, the systems intervene directly in the operational management and trigger emergency braking.
Reliably functioning CCS systems are indispensable for safe rail transport.
TÜV NORD is at your side with qualified specialists for the safety of your CCS systems. In addition to component and system testing, our services also include product auditing, safety audits, on-site test drive support and testing of on-board and trackside installations.
Do you need a European approval for your vehicle, a national approval for a train protection system or an expert opinion for the state railway supervisory authority? Our competent experts are the right people to contact.
The two most commonly used CCS systems are point traincontrol(PZB) and lineartrain control(LZB).
With point-based train control systems, track and traction unit information is only exchanged at certain points, for example by means of magnetic fields or induction. This form of train control is cost-effective, as most systems work according to the working current principle. However, this means that system failures cannot be recognised immediately, which limits the safety of point train control systems.
With linear train control, the track and traction unit are in continuous contact with each other using the closed-circuit current principle. Failures can therefore be recognised immediately, which means that linear train control systems, although energy-intensive, offer significantly increased safety. On high-speed lines, for example, linear train control systems are indispensable.
Most European countries have equipped their lines and vehicles with their own national CCS systems. The resulting diversity of implemented train control systems is to be replaced in future by the European Train Control System(ETCS), which is intended to make trans-European train traffic increasingly standardised and safer. Since 2002, EU law has stipulated the implementation of ETCS on new high-speed lines, and since 2006 this has also applied to upgraded lines.
With our Designated Body (DeBo) and our Independent Assessment Body (AsBo), we at TÜV NORD support you in the implementation of country-specific requirements for train control systems in Germany and check the implementation of European regulations for the operation of an interoperable ETCS with our Notified Body (NoBo).
Modern trains are based on complex electronic systems that can be damaged by unauthorised access or targeted attacks if they are not protected. The resulting consequences can be devastating.
The correct protection of a system is also crucial for its reliability, availability and safety (security, reliability, availability, safety).
In terms of "Security for Safety", we check the protection of your system
Together with our subsidiary TÜViT, we at TÜV NORD support you with our expertise in the field of electronic system security, help you with tasks relating to the implementation of standards and directives and thus make your products more secure.
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