ABB 615 Series - Settings; Signals

VA
VB
VC
GUID-80AEDA11-131C-473D-B6F7-5EFDA102A11B V1 EN
Figure 173: Example of ground-fault transients, including discharge and charge
transient components, when a permanent fault occurs in a 20 kV network
in phase C
4.2.3.6 Signals
Table 370: 67NIEF Input signals
Name
Type Default Description
IG SIGNAL 0 Residual current
VG SIGNAL 0 Residual voltage
BLOCK BOOLEAN 0=False Block signal for activating the blocking mode
Table 371: 67NIEF Output signals
Name
Type Description
TRIP BOOLEAN Trip
PICKUP BOOLEAN Pickup
BLK_EF BOOLEAN Block signal for EF to indicate opposite direction peaks
4.2.3.7 Settings
Table 372: 67NIEF Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Directional mode 1=Non-directional
2=Forward
3=Reverse
2=Forward Directional mode, Non-directional / Forward /
Reverse
Trip delay time 40...1200000 ms 10 500 Trip delay time
Voltage pickup value 0.05...0.50 xUn 0.01 0.20 Voltage pickup value for transient EF
Section 4 1MAC059074-MB A
Protection functions
368 615 series ANSI
Technical Manual