3-Circuit-breaker configuration
• 2 busbar sections, Busbar coupling breaker
• Transfer takes place between the two feeders and bus coupling breaker and
feeder 1 and feeder 2 when bus coupler breaker is closed.
• Three instances of HSABTC function are required for this variant. The first
instance performs the transfer operation between feeder 1 and bus coupling
breaker. The second instance performs the transfer operation between feeder
2 and bus coupling breaker. The third instance performs the transfer operation
between feeder 1 and feeder 2.
Application package APP53
M
M
Feeder 1
Feeder 2
CB1
CB2
BUSBAR
M
M
Feeder 3
CB3
Figure 958: Application package APP53
Control functions
1MRS759142 F
1796 REX640
Technical Manual
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