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Based on more than 40 years of experience in the railway electrical network field, our new PDZI9000 protection relay protects the fixed electric traction installations responsible for supplying the catenaries with alternating current 25 kV or 2x25 kV, 50 or 60 Hz.
Embedding various protection functions, including a distance function [21] coupled with an overcurrent function [50/51], as well as a large capacity for recording events, our PDZI9000 facilitates the operation of your alternating current railway electrical network.
Thanks to its hybrid acquisition via CTs or IEC 61850-9-2 "Sampled Values", it is now possible to protect catenaries operated in parallel connected to the same transformer by means of a patented summed current management.
Operating functions such as fault location [21FL] - [50FL] - [87FL], an embedded web server and a touch screen HMI complete its range of functions.
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