Table of Contents
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Index
A
ATS 16
B
Busbar Voltage Sequence Supervision 59
E
Earth O/C for Busbar Energization Protection 55
M
Monitor Function 57
P
Phase O/C for Busbar Energization Protection 53
Phase Overcurrent Protection 49
Power Supply Transfer Between Busbars 32
Power Supply Transfer Between Lines 26
Power Supply Transfer between Transformers 38
Protection 48
PT Broken Wire Supervision 57
T
Transfer Mode Busbar1->Busbar2 (Busbar1 is supplying power while Busbar2 standing-by) 34
Transfer Mode Busbar2 -> Busbar1 (Busbar2 is supplying power while Busbar1 standing-by) 37
Transfer Mode Line1->Line2 (Line1 is supplying power while Line2 standing-by) 28
Transfer Mode Line2->Line1 (Line2 is supplying power while Line1 standing-by) 30
Transfer Mode Transformer2 -> Transformer1 (Transformer2 is supplying power while transformer1 standing-
by) 42
Transfer Mode Transformer1 -> Transformer2 (Transformer1 is supplying power while Transformer2 standing-
by) 40
U
User-Specified ATS 44
Z
Zero Sequence Overcurrent Protection 51
SIPROTEC, 7VU681, User Manual
C53000-G1176-C368-1, Release Date 07.2012
Index
111
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