Knowledge base
Discover answers to frequently asked questions and practical tips in our Knowledge Base. Find reliable information to help you solve problems quickly and easily.
Experiences with the Application of TZD-type Low-Voltage Arresters in an Open-Circuit Earth-Fault Protection System
In the late 1990s, the company KOLEN developed the unidirectional low-voltage arresters TZD-1N and TZD-1R, which were implemented in the group earthing system of an open-circuit traction network. The solutions applied in these arresters were patented (patent no. 170994). years of research on the group earthing system, conducted by CNTK (now the Railway Institute – … Continued
Read the article