2.7 Definite-Time Overcurrent Protection (I>>, ANSI 50, 51, 67) with Direction Detection
51
7UM61 Manual
C53000-G1176-C127-3
2.7.3 Settings
The table indicates region-specific presettings. Column C (configuration) indicates the
corresponding secondary nominal current of the current transformer.
2.7.4 Information List
Addr. Parameter C Setting Options Default Setting Comments
1301 O/C I>> OFF
ON
Block relay
OFF Overcurrent Time Protec-
tion I>>
1302 I>> 1A 0.05 .. 20.00 A 4.30 A I>> Pickup
5A 0.25 .. 100.00 A 21.50 A
1303 T I>> 0.00 .. 60.00 sec; ∞ 0.10 sec T I>> Time Delay
1304 Phase Direction Forward
Reverse
Reverse Phase Direction
1305 LINE ANGLE -90 .. 90 ° 60 ° Line Angle
No. Information Type of In-
formation
Comments
1720 >BLOCK dir. EM >BLOCK direction I>> stage
1721 >BLOCK I>> EM >BLOCK I>>
1801 I>> Fault L1 AM O/C fault detection stage I>> phase L1
1802 I>> Fault L2 AM O/C fault detection stage I>> phase L2
1803 I>> Fault L3 AM O/C fault detection stage I>> phase L3
1806 I>> forward AM O/C I>> direction forward
1807 I>> backward AM O/C I>> direction backward
1808 I>> picked up AM O/C prot. I>> picked up
1809 I>> TRIP AM O/C I>> TRIP
1955 I>> OFF AM O/C prot. stage I>> is switched OFF
1956 I>> BLOCKED AM O/C prot. stage I>> is BLOCKED
1957 I>> ACTIVE AM O/C prot. stage I>> is ACTIVE
www . ElectricalPartManuals . com
To Next Page
Loading...
