Functions
2.16 Underexcitation (Loss-of-Field) Protection (ANSI 40)
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
144
2.16.4 Information List
No. Information Type of In-
formation
Comments
5323 >Exc. BLOCK SP >BLOCK underexcitation protection
5327 >Char. 3 BLK. SP >BLOCK underexc. prot. char. 3
5328 >Uexc fail. SP >Exc. voltage failure recognized
5329 >Char. 1 BLK. SP >BLOCK underexc. prot. char. 1
5330 >Char. 2 BLK. SP >BLOCK underexc. prot. char. 2
5331 Excit. OFF OUT Underexc. prot. is switched OFF
5332 Excit.BLOCKED OUT Underexc. prot. is BLOCKED
5333 Excit.ACTIVE OUT Underexc. prot. is ACTIVE
5334 Exc. U< blk OUT Underexc. prot. blocked by U<
5336 Uexc failure OUT Exc. voltage failure recognized
5337 Exc< picked up OUT Underexc. prot. picked up
5343 Exc<3 TRIP OUT Underexc. prot. char. 3 TRIP
5344 Exc<1 TRIP OUT Underexc. prot. char. 1 TRIP
5345 Exc<2 TRIP OUT Underexc. prot. char. 2 TRIP
5346 Exc<U<TRIP OUT Underexc. prot. char.+Uexc< TRIP