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4.8
Teleprotection for Distance Protection (optional)
Operating Mode
For two line ends
For three line ends
Underreach scheme
Method
Send signal prolongation
Overreach schemes
Method
Send signal prolongation
Release delay
Transient blocking time
Waiting time for transient blocking
Expiry tolerances
The set times are pure delay times
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
4.8 Teleprotection for Distance Protection (optional)
With one channel for each direction or
with three channels for each direction for phase segregated
transmission
With one channel for each direction or connection
Transfer trip with overreaching zone Z1B
PUTT (Pickup)
Direct transfer trip
0.00 s to 30.00 s
Permissive Overreach Transfer Trip (POTT) (with overreaching
zone Z1B)
Directional comparison
Unblocking (with overreaching zone Z1B)
Blocking (with overreaching zone Z1B)
Pilot wire comparison
Reverse interlock (with pilot wires)
0.00 s to 30.00 s
0.000 s to 30.000 s
0.00 s to 30.00 s
0.00 s to 30.00 s; ∞
1 % of set value or 10 ms
Technical Data
Increments 0.01 s
Increments 0.01 s
Increments 0.001 s
Increments 0.01 s
Increments 0.01 s
597
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