Functions
2.25 Inverse-Time Undervoltage Protection (ANSI 27)
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
192
2.25.3 Settings
2.25.4 Information List
Addr. Parameter Setting Options Default Setting Comments
4401 INV. UNDERVOLT. OFF
ON
Block relay
OFF Inverse Undervoltage Protection
Up<
4402 Up< PICKUP 10.0 .. 125.0 V 75.0 V Up< Pickup
4403 T MUL 0.10 .. 5.00 sec; 0 1.00 sec Time Multiplier for Characteristic
4404 T Up< 0.00 .. 60.00 sec; ∞ 0.00 sec T Up< Time Delay
No. Information Type of In-
formation
Comments
6520 >BLOCK Up< SP >BLOCK inverse undervoltage protection
6522 Up< OFF OUT Inv. Undervoltage prot. is switched OFF
6523 Up< BLOCK OUT Inv. Undervoltage protection is BLOCKED
6524 Up< ACTIVE OUT Inv. Undervoltage protection is ACTIVE
6525 Up< picked up OUT Inverse Undervoltage Up< picked up
6526 Up< ch. pick.up OUT Inv. Undervoltage Up<-char. picked up
6527 Up< AUS OUT Inverse Undervoltage Up< TRIP
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