6/8/2020 2:43 AM | |
Posts: 4 Rating: (0) |
hello first than all i want to thank you for your help I am a technician of Metrovias S.A. in Argentina who is in charge of the subway. i have a little problem to identifie what happen with the relay in a specific case the relay is 7SJ62 is used to provide protection of the breaker one of the sources of Voltage in 13,2kV yesterday the relay get a triping and we can not identifie what was the problem. let me shows you the indication screen: 06.06.20 13:08:18,265 Pow. Sys. F1 8359 ON and then we have a triping the operator try to close the breaker remotly and then the breaker is block. he could unlocked it 2 times until the breaker finishing closed. and then we had this 06.06.20 13:12:35,23 Pow. Sys. F1 8359 OFF ------------------------------------------------------------------------------------------ |
Last edited by: Jen_Moderator at: 06/08/2020 12:28:53New subject after splitting |
|
Follow us on