GE MiCOM P747 Agile

CB closed
CB open
Dead zone
CT1
CT2
E00716
Busbar
Figure 34: Example of busbar dead-zone
3.11 DEAD ZONE (BLIND SPOT) PROTECTION LOGIC
V00715
DeadZone 1 Start
DeadZone 1 Trip
Dead Zone
O
vercurrent function
50DZ
Terminal 1 to 18
T1 to T18
T
1 to T18
Terminal/zone data
Key:
External DDB Signal
Internal DDB Signal
Figure 35: Dead-zone logic
3.12 DEAD ZONE (BLIND SPOT) PROTECTION DDBS
Ordinal English Text Source Element Name Response Function
Description
898 T1 DeadZone Trip SW DDB_DZ1_OC_TRIP Dead Zone
T1 DeadZone Trip
915 T18 DeadZone Trip SW DDB_DZ18_OC_TRIP Dead Zone
T18 DeadZone Trip
1058 T1 DeadZone Over Current Start SW DDB_DZ1_OC_START Dead Zone Over Current
T1 DeadZone Over Current Start
1075 T18 DeadZone Over Current Start SW DDB_DZ18_OC_START Dead Zone Over Current
T18 DeadZone Over Current Start
Chapter 5 - Protection Functions MiCOM P747
110 P747-TM-EN-1
P747-TM-EN-1.1