Siemens siprotec 7SD5 User Manual

4.4 Breaker Intertrip and Remote Tripping -Direct Local Trip
535
7SD5 Manual
C53000-G1176-C169-1
4.4 Breaker Intertrip and Remote Tripping -Direct Local Trip
Breaker Intertrip and Remote Tripping
External Trip of the Local Tripping
Remote Tripping
Intertripping of all opposite ends when single-end tripping can be switched
on/off
Operating time, total approx. 6 ms
Trip time delay Trip Time DELAY 0,00 s to 30,00 s
or ∞ (ineffective)
Increments 0.01 s
Expiry tolerances 1 % of setting value or 10 ms
The set times are pure delay times
The operating time refers to the output of commands via high-speed output relays (7SD5****-*N/P/Q/R/S/T)
Tripping of remote ends by a command that is coupled into a binary input
The operating times depend on the number of ends and the communication speed. The following data presuppose a
transmission speed of 512 kBit/s and the output of commands via high-speed output relays (7SD5****-*N/P/Q/R/S/T)
Operating times, total approx.
For 2 ends minimum 7 ms
typical 12 ms
For 3 ends minimum 9 ms
typical 13 ms
For 6 ends minimum 13 ms
typical 18 ms
Dropout times, total approx.
For 2 ends typical 19 ms
For 3 ends typical 20 ms
For 6 ends typical 26 ms
Trip time delay T-ITRIP BI 0.00 s to 30.00 s Increments 0.01 s
Trip time prolongation T-ITRIP 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 delay times
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Siemens siprotec 7SD5 Specifications

General

Brand	Siemens
Model	siprotec 7SD5
Category	Relays
Language	English