ABB 615 Series - Function Block; Functionality; Ground-Fault Protection; Identification

4.1.9.10 Technical revision history
Table 317: 49M Technical revision history
Technical revision
Change
B Added a new input AMB_TEMP.
Added a new selection for the Env temperature
mode setting "Use input".
C
Internal improvement.
D Time constant stop range maximum value changed
from 8000 s to 60000 s.
E Internal improvement.
4.2 Ground-fault protection
4.2.1 Non-directional ground-fault protection 51N, 51G, 50N, 50G,
50N-3, 50G-3
4.2.1.1 Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Non-directional ground-fault protection,
low stage
EFLPTOC Io> 51N, 51G
Non-directional ground-fault protection,
high stage
EFHPTOC Io>> 50N, 50G
Non-directional ground-fault protection,
instantaneous stage
EFIPTOC Io>>> 50N-3, 50G-3
4.2.1.2 Function block
51N,51G
IG TRIP
BLOCK PICKUP
ENA_MULT
50N,50G
IG TRIP
BLOCK PICKUP
ENA_MULT
50N-3,50G-3
IG TRIP
BLOCK PICKUP
ENA_MULT
GUID-7EBE9C0C-3933-49AD-90BB-C4DF391547D6 V1 EN
Figure 148: Function block
4.2.1.3 Functionality
The non-directional ground-fault protection function 51N, 51G, 50N, 50G, 50N-3, 50G-3
is used as non-directional ground-fault protection for feeders.
Section 4 1MAC059074-MB A
Protection functions
314 615 series ANSI
Technical Manual