ABB Relion 670 Series Applications Manual page 161

1MRK 511 401-UEN Rev. K
IEC050004933 V1 EN-US
Figure 78: Connection of phase selection outputs PHSELL1, PHSELL2, and PHSELL3
The EF4PTOC function includes four steps with different set values. The input 1PTREF of
SMPPTRC shall be connected to the trip output of the stage(s) from EF4PTOC that are
intended for phase selective tripping.
8.5 Four step directional negative phase sequence
overcurrent protection NS4PTOC
8.5.1 Function revision history
Document
revision
A
B
C
D
E
F
G
H
8.5.2 Identification
Function description
Four step negative sequence
overcurrent protection
Bay control REC670
Application manual
Product History
revision
2.2.1 -
2.2.1 -
2.2.2 -
2.2.3 -
2.2.3 -
2.2.3 -
2.2.4 -
2.2.4 Maximum value changed to 2000.0 % of IBase for
settings.
IEC 61850
identification
NS4PTOC
© Copyright 2017 Hitachi Power Grids. All rights reserved
GUID-E8CF8AA2-AF54-4FD1-A379-3E55DCA2FA3A v1
GUID-FEAFB742-D0DA-4F9E-B4AC-84E568301282 v1
IMin1 , IMin2 , IMin3 and IMin4
GUID-E1720ADA-7F80-4F2C-82A1-EF2C9EF6A4B4 v1
IEC 60617 ANSI/IEEE C37.2
identification device number
46I2
I2
4
alt
4
IEC10000053 V1 EN-US
Section 8
Current protection
155