Section 6 Differential protection
6.1 Busbar differential protection
SEMOD121185-1 v2
6.1.1 Identification
SEMOD130380-4 v4
Two-zone busbar differential protections, four-or-eight three-phase CTs
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Busbar protection 2Z-3Ph-4/8CT,
differential protection function
BZNTPDIF_x,
(x = A, B)
SYMBOL-JJ V1 EN-US
87B
Busbar protection 2Z-3Ph-4/8CT,
check zone protection function
BTCZPDIF
SYMBOL-JJ V1 EN-US
87B
Busbar protection 2Z-3Ph-4/8CT,
bay function
BUTPTRC_Bx
(1≤x≤4 or
1≤x≤8)
SYMBOL-JJ V1 EN-US
87B
Busbar protection 2Z-3Ph-4/8CT,
zone interconnection function
BZITGGIO
SYMBOL-JJ V1 EN-US
87B
GUID-F771BD7B-53F1-437A-A41C-7266323DC02F v1
Two-zone busbar differential protections, twelve-or-twenty-four single-
phase CTs
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Busbar protection 2Z-1Ph-12/24CT,
differential protection function
BZNSPDIF_x,
(x = A, B)
IEC16000110 V1 EN-US
87B
Busbar protection 2Z-1Ph-12/24CT,
check zone protection function
BCZSPDIF
IEC16000110 V1 EN-US
87B
Busbar protection 2Z-1Ph-12/24CT,
bay function
BUSPTRC_Bx,
(1≤x≤12 or
1≤x≤24)
IEC16000110 V1 EN-US
87B
Busbar protection 2Z-1Ph-12/24CT,
zone interconnection function
BZISGGIO
IEC16000110 V1 EN-US
87B
1MRK 505 370-UEN D Section 6
Differential protection
Busbar protection REB670 91
Application manual