Function
2.1 ATS
SIPROTEC, 7VU681, User Manual
C53000-G1176-C368-1, Release Date 07.2012
32
Figure 2-12
Primary Diagram of Transfer Mode Busbar2 -> Busbar1
In the normal operation state, bus coupler circuit-breaker is open. Meanwhile, Busbar1 and Busbar2 are
powered on independently with 2 power supplies. When one busbar lost voltage and other busbar voltage is
normal, ATS will close CB3 to power on the dead busbar.
Summary of Contents for SIPROTEC 7VU681
Page 8: ...Preface SIPROTEC 7VU681 User Manual C53000 G1176 C368 1 Release Date 07 2012 8 ...
Page 12: ...Contents SIPROTEC 7VU681 User Manual C53000 G1176 C368 1 Release Date 07 2012 12 ...
Page 100: ...Literature SIPROTEC 7VU683 User Manual C53000 G1176 C368 1 Release Date 07 2012 100 ...
Page 112: ...Index SIPROTEC 7VU681 User Manual C53000 G1176 C368 1 Release Date 07 2012 112 ...