Technical Data
4.10 Teleprotection for Earth Fault Protection (optional)
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
608
4.10 Teleprotection for Earth Fault Protection (optional)
Operating Mode
Overreach schemes
For two line ends One channel for each direction or three channels each direction
for phase-segregated transmission
For three line ends With one channel for each direction or connection
Method Dir. comp. pickup
Directional unblocking scheme
Directional blocking scheme
Send signal prolongation 0.00 s to 30.00 s Increments 0.01 s
Enable delay 0.000 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
Time expiry tolerances 1 % of setting value or 10 ms
The set times are pure delay times
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