Siemens siprotec 7SA522 - Teleprotection for Distance Protection Data

4 Technical Data
448
7SA522 Manual
C53000-G1176-C155-3
4.4 Teleprotection for Distance Protection
Mode
Underreach Transfer Trip Schemes
Underreach Schemes via Protection Data Interface (optional)
Overreach Schemes
For two line ends With one channel for each direction or
with three channels for each direction for phase segregated
transmission
For three line ends With one channel for each direction or connection
Method Transfer trip with overreaching zone Z1B
Direct transfer trip
Send signal prolongation 0.00 s to 30.00 s Increments 0.01 s
Phase-segregated for two or three line ends
Method Transfer trip with overreaching zone Z1B
Send signal prolongation 0.00 s to 30.00 s Increments 0.01 s
Method Permissive Overreach Transfer Trip (POTT)
(with overreaching zone Z1B)
Unblocking (with overreaching zone Z1B)
Blocking (with overreaching zone Z1B)
Send signal prolongation 0.00 s to 30.00 s Increments 0.01 s
Enable delay 0 s to 30,000 s Increments 0.001 s
Transient blocking time 0.00 s to 30.00 s Increments 0.01 s
Wait time for transient blocking 0.00 s to 30.00 s; ∞ Increments 0.01 s
Echo delay time 0.00 s to 30.00 s Increments 0.01 s
Echo impulse duration 0.00 to 30.00 s Increments 0.01 s
Time expiry tolerances 1 % of setting value or 10 ms
The set times are pure delay times