Siemens siprotec 7SA522 - Page 338

Functions
6-190 7SA522 Manual
C53000-G1176-C119-2
2944 Usyn< U-line> Sync. dead bus / live line detected
2945 Usyn> U-line< Sync. live bus / dead line detected
2946 Usyn< U-line< Sync. dead bus / dead line detected
2947 Sync. Udiff> Sync. Voltage diff. greater than limit
2948 Sync. fdiff> Sync. Freq. diff. greater than limit
2949 Sync. ϕ-diff> Sync. Angle diff. greater than limit
2951 Sync. release Synchronism release (to ext. AR)
2961 Sync.CloseCmd Close command from synchro-check
2970 Sync. f-bus>> Sync. Bus frequency > (fn + 3Hz)
2971 Sync. f-bus<< Sync. Bus frequency < (fn - 3Hz)
2972 Sync. f-line>> Sync. Line frequency > (fn + 3Hz)
2973 Sync. f-line<< Sync. Line frequency < (fn - 3Hz)
2974 Sync. U-syn>> Sync. Bus voltage > Umax (P.3504)
2975 Sync. U-syn<< Sync. Bus voltage < U> (P.3503)
2976 Sync. U-line>> Sync. Line voltage > Umax (P.3504)
2977 Sync. U-line>> Sync. Line voltage < U> (P.3503)
F.No
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Alarm Comments