Siemens siprotec 7SA6 User Manual page 662

Technical Data
Initiation
Conditions
Times
End Fault
Protection
Breaker Pole
Discrepancy
Monitoring
10-34
For circuit breaker failure protection
Pick-up time
Drop-off time,internal
(overshoot time)
Delay times for all stages
Tolerance
With trip command transmission
to the remote end
Delay times for all stages
Tolerance
Initiation criterion
Monitoring time
Tolerance
single-pole tripping internal
three-pole tripping internal
single-pole tripping external
three-pole tripping external
three-pole tripping without current
1
) via binary inputs
approx. 7 ms with measured quantities
present prior to start,
approx. 20 ms after switch-on of
measured values
approx. 12 ms for sinusoidal measured
values,
approx. 25 ms maximum
0.00 s to 30.00 s; ∞
1 % of the set value or 10 ms
0.00 s to 30.00 s; ∞
1 % of the set value or 10 ms
not all poles are closed or open
0.00 s to 30.00 s; ∞
(steps 0.01 s)
1 % of the set value or 10 ms
1
)
1
)
1
)
(steps 0.01 s)
(steps 0.01 s)
7SA6 Manual
C53000-G1176-C133-1