Technical Data
4.6 Breaker Intertrip and Remote Tripping- Direct Local Trip
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
301
4.6 Breaker Intertrip and Remote Tripping- Direct Local Trip
Breaker Intertrip and Remote Tripping
External Direct Trip
Remote Trip
Transfer trip of the opposite end for single-end tripping can be switched
on/off
Operating time, total approx. 6 ms
Trip time delay Trip Time DELAY minimum  14 ms 
typical 17 ms 
maximum 20 ms 
Dropout times  minimum   25 ms 
typical 27 ms 
maximum 29 ms 
Expiry tolerances 1 % of setting value or 10 ms
The set times are pure time delays
Tripping of the remote ends by a command injected via binary inputs
The command times depend on the communication speed. 
The following data require a transmission rate of 512 kbit/s for the optical fiber protection interface.
Operating times, total approx.  minimum  10 ms
typical 13 ms 
maximum 15 ms 
Dropout times minimum  26 ms 
typical 27 ms 
maximum 29 ms 
Tripping delay 85 DT: TD-BI 0.00 s to 30.00 s Increments 0.01 s
Trip time prolongation 85 DT:T-PROL BI 0.00 s to 30.00 s  Increments 0.01 s 
Expiry tolerances 1 % of setting value or 10 ms
The set times are pure time delays.