ABB Relion 620 Series - Page 742

4.8.2.6 Signals
Table 700: DOPPDPR Input signals
Name Type Default Description
I_A SIGNAL 0 Phase A current
I_B SIGNAL 0 Phase B current
I_C SIGNAL 0 Phase C current
U_A_AB SIGNAL 0 Phase-to-earth volt-
age A or phase-to-
phase voltage AB
U_A_BC SIGNAL 0 Phase-to-earth volt-
age B or phase-to-
phase voltage BC
U_A_CA SIGNAL 0 Phase-to-earth volt-
age C or phase-to-
phase voltage CA
BLOCK BOOLEAN 0=False Block signal for acti-
vating the blocking
mode
Table 701: DOPPDPR Output signals
Name Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
4.8.2.7 Settings
Table 702: DOPPDPR Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Start value 0.01...2.00 xSn 0.01 1.00 Start value
Operate delay time 40...300000 ms 10 40 Operate delay time
Directional mode
2=Forward
3=Reverse
2=Forward Directional mode
Power angle -90...90 deg 1 0 Adjustable angle
for power
Protection functions 1MRS757644 H
742 620 series
Technical Manual