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
Summary of Contents for Relion 615 series
Page 1: ... RELION PROTECTION AND CONTROL 615 series ANSI Technical Manual ...
Page 2: ......
Page 39: ...Section 17 Glossary 1181 Table of contents 615 series ANSI 33 Technical Manual ...
Page 40: ...34 ...
Page 64: ...58 ...
Page 216: ...210 ...
Page 884: ...878 ...
Page 1038: ...1032 ...
Page 1136: ...1130 ...
Page 1172: ...1166 ...
Page 1180: ...1174 ...
Page 1186: ...1180 ...
Page 1192: ...1186 ...
Page 1193: ...1187 ...
Page 1194: ......
Page 1195: ......