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4.5
Breaker Intertrip and Remote Tripping- Direct Local Trip
Breaker Intertrip and Remote Tripping
Intertripping of all opposite ends when single-end tripping
External Direct Local Tripping
Operating time, total
Trip Time Trip Time DELAY
Expiry tolerance
The set times are pure delay times
The tripping times refer to the output of commands via high-speed output relays (7SD5***-*N/P/Q/R/S/T)
Remote Tripping
Tripping of remote ends by a command that is coupled into a binary input
The tripping times depend on the number of ends and the communication speed. The following data presuppose a trans-
mission rate of 512 kBit/s and the output of commands via high-speed output relays (7SD5****-*N/P/Q/R/S/T)
Operating time, total approx.
for 2 ends
for 3 ends
for 6ends
Dropout times, total approx.
for 2 ends
for 3 ends
for 6 ends
Tripping delay
Trip time prolongation
Expiry tolerance
The set times are pure delay times
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
4.5 Breaker Intertrip and Remote Tripping- Direct Local Trip
Approx. 6 ms
0,00 s to 30,00 s
or ∞ (ineffective)
1 % of setting value or 10 ms
minimum
typical
minimum
typical
minimum
typical
typical
typical
typical
T-ITRIP BI
0,00 s to 30,00 s
T-ITRIP PROL BI
0,00 s to 30,00 s
1 % of setting value or 10 ms
Technical Data
Can be switched on/off
Steps 0,01 s
7 ms
12 ms
9 ms
13 ms
13 ms
18 ms
19 ms
20 ms
26 ms
steps 0,01 s
steps 0,01 s
591
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