ABB RELION REX640 Technical Manual page 1457

1MRS759142 C
REX640
Technical Manual
coupler or tie feeder CB as non-source CB. Also, any bus or system,
external to this network is referred to as grid.
The general busbar arrangement across any NSCB is shown in
NSCB, the numbers for Bus A1, Bus A2, Bus B1 and Bus B2 must be set. These bus
numbers for non-source CB 1 are set in NonSrc1 bus A1 Num, NonSrc1 bus A2 Num,
NonSrc1 bus B1 Num and NonSrc1 bus B2 Num, respectively. Each of these settings
can be set to values "Bus 1"..."Bus 15" or to "Not Configured".
Bus A1
ISO A1
Non Source CB
ISO A2
Bus A2
Single busbar arrangement
GUID-A1314C42-F2C8-4A5C-9801-D033B54FC4F9 V1 EN
Figure 780: Different busbar arrangement across any non-source CB
The general busbar arrangement across any SCB is shown in
source CB, the Bus A and Bus B numbers are to be set. These bus numbers for source
CB 1 are set in Src1 bus A Num and Src1 bus B Num, respectively. Each of these
settings can be set to values "Bus 1"..."Bus 15" or to "Not Configured".
Section 9
Control functions
Figure 780. For each
Bus A1
Bus B1
ISO A1
Non Source CB
ISO A2
Bus A2
Double busbar arrangement
Figure 781. For each
ISO B1
ISO B2
Bus B2
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