Signals; Settings - ABB 615 series Technical Manual

Section 4
Protection functions
4.2.3.6
4.2.3.7
Table 372: 67NIEF Group settings (Basic)
Parameter Values (Range)
Directional mode 1=Non-directional
2=Forward
3=Reverse
Trip delay time 40...1200000
Voltage pickup value 0.05...0.50
368
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

Signals

Table 370: 67NIEF Input signals
Name Type
IG SIGNAL
VG SIGNAL
BLOCK BOOLEAN
Table 371: 67NIEF Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
BLK_EF BOOLEAN

Settings

Unit Step
ms 10
xUn 0.01
Default Description
0 Residual current
0 Residual voltage
0=False Block signal for activating the blocking mode
Description
Trip
Pickup
Block signal for EF to indicate opposite direction peaks
Default Description
2=Forward Directional mode, Non-directional / Forward /
Reverse
500 Trip delay time
0.20 Voltage pickup value for transient EF
1MAC059074-MB A
615 series ANSI
Technical Manual