9/23/2023 0 Comments Siemens digsi 5– On my site, 33kv ht cable IR values are R= 60 megaohm, Y=1 gigaohm, B =1 gigaohm. – Our Switchyard SLD, also incase SF6 breaker out of 3 poles 1 pole does not get close (remains open). ![]() – Anyone here, who can tell me about solenoids? if it occurs once in a while & goes away please note this & revise your settings through relay coordination. – all I can tell u is, it may be a heavy imbalance in the loading of the line. check your protection scheme to understand further. – O/c & e/f I think backup protection for short circuit or internal faults inside the TR. – We have 9 MVA, two power transformers in 66 kV Switchyard Fault occur only on transformer 1 and only line Side SF6 breaker trip, I don’t understand this? Please help And Simultaneously line Side SF6 breaker trip ![]() – Can anyone helps to identify, in actual what is the main fault is? It occurs from last week – CHECK THE AMPERE ON EACH PHASE IF IT IS HEALTHY IT WILL SHOW AMPERE ON EACH PHASE RESPECTIVELY IF THE PHASE SHOWS ZERO AMP THEN IT IS DAMAGED – Anyone knows how to check the capacitor with a multimeter ![]() Telegram group link Protection Relay Discussion Group:
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