Siemens siprotec 7SA6 - Page 258

Functions
6-68 7SA6 Manual
C53000-G1176-C156-2
Figure 6-34 Tripping logic for the 1st Zone
Figure 6-35 Tripping logic for the 2nd Zone
Figure 6-36 Tripping logic for the 3rd Zone
Dis Anr Z1 L3
Dis Anr Z1 L2
Dis FD Z1 L1
=1
≥1
≥1
1305 T1-1phase
T0
T0
1306
T1-multi-phase
&
&
≥1
L1
L2
L3
L1
L2
L3
L1
L2
L3
L3
L2
L1
L3
L2
L1
Tripping logic
of the distance
protection
3823 Dis trip Z1 3p1
3803 Dis trip 1polL2
3804 Dis trip 1polL3
3805 Dis trip L123
3811 Dis trip Z1 1p
3771 Dis T1 exp.
3801 Dis G–trip
3824 Dis trip Z1 3pm
3802 Dis trip 1polL1
Dis FDZ2 L3
Dis FD Z2 L2
Dis FD Z2 L1
≥1
≥1
1315 T2-1phase
T0
T0
1316 T2-multi-phase
&
&
≥1
L1
L2
L3
L1
L2
L3
L3
L2
L1
L3
L2
L1
Tripping logic
of the distance
protection
=1
L1
L2
L3
&
≥1
L1
L2
L3
Z2 undelayed
(see figure 6-28)
3817 Dis trip Z2 3p
3803 Dis trip 1polL2
3804 Dis trip 1polL3
3805 Dis trip L123
3816 Dis trip Z2 1p
3774 Dis T2 exp.
3801 Dis G–trip
3802 Dis trip 1polL1
Dis FD Z3 L3
Dis FD Z3 L2
Dis FD Z3 L1
≥1
1325
T0
≥1
&
Tripping logic
of the distance
protection
Z3 undelayed
(see figure 6-28)
T3 DELAY
3777 Dis T3 exp.
3801 Dis G–trip
3805 Dis trip L123
3818 Dis trip Z3