ABB Relion 650 Series Product Manual page 4

Busbar protection REB650
Version 1.1 ANSI
Bus 1
Bus Coupler
Feeder Bays
ANSI11000145 V1 EN-US
Figure 1. A typical busbar protection for two busbar sections with the possibility of a check zone
4
Bus 2
Y
VT1
Y
Feeder Bays
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Y
VT2
Y 27 3U< 59 3U>
UV2 PTUV OV2 PTOV
59N
ROV2 PTOV
67 3I> 67Q I2> 50BF 3I> BF
OC4 PTOC DNS PTOC
CC RBRF
87N IdN
Zone 1
HZ PDIF
87N IdN
Zone 2
HZ PDIF
87N IdN
Zone 3 (used in this example as check zone)
HZ PDIF
Function Enabled
in Settings
ANSI IEC
IEC61850
1MRK 505 265-BUS B
TRM module with 6I+4U
AIM module with 6I+4U
3Uo>
27 3U< 59 3U>
UV2 PTUV OV2 PTOV
59N
ROV2 PTOV
52PD PD
67N IN>
CC RPLD EF4 PTOC
REB650-A03A
Function Disabled in Settings
ANSI IEC ANSI IEC
DNP
IEC60870-5-103
ANSI11000145_1_en.vsd
ABB Power Grids
3Uo>