ABB RELION REX640 - Page 1794

Application package APP52
M
M
Feeder 1
Feeder 2
CB
1 CB2
BUSBAR
M
M
Feeder 3
CB3
Figure 956: Application package APP52
3-Circuit-breaker configuration with pre-selection
• One busbar
• 2 out of 3 selection
• Two instances of HSABTC function are required for this variant. The first instance
performs the transfer operation between feeder 1 and feeder 2. The second
instance performs the transfer operation between feeder 1 and feeder 3.
Control functions
1MRS759142 F
1794 REX640
Technical Manual