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2022-12-29 08:42:34 -0500 received badge  Famous Question (source)
2022-12-27 05:55:05 -0500 commented question Tripping of synchnous machine in psse

Hi @perolofl Please see command window message At TIME=0.56 timer reset, EFD = 5.44 ***MACHINE S1 AT BUS ***** TRIPPED BY OVERSPEED RELAY AT TIME = 3.0241 SECS. MACHINE S1 AT BUS XXXXXX(ABCDEFG) TRIPPED AT TIME = 3.0241 COULD you please us to identify the issue Thanks in advance.

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2022-12-22 09:35:23 -0500 asked a question Tripping of synchnous machine in psse

Hi all, Long duration of 3 ph fault is applied at machine terminals. It is noticed that machine tripped off due to overspeed protection relay though no relays placed machine terminals. What is the reason?. Is action intitiated by any overspeed relay placed at other machine ?