Siemens 6MD86 - External Trip Initiation 3-Pole; Overview of Functions; Structure of the Function

External Trip Initiation 3-Pole
Overview of Functions
The External trip initiation function:
•
Processes any signals from external protection or supervision devices
•
Enables the integration of any signals from external protection equipment in the indication and tripping
processing, for example from transient ground-fault relays or Buchholz protection
•
Enables direct tripping of the circuit breaker in conjunction with busbar-protection applications
•
Enables direct tripping of the circuit breaker in the case of circuit-breaker failure at the other line end
Structure of the Function
The External trip initiation function contains one stage. You can instantiate the External trip initiation func-
tion in DIGSI 5 multiple times.
[dwstrext-030211-01.tif, 1, en_US]
Figure 7-56 Structure/Embedding of the Function
7.3
7.3.1
7.3.2
Protection and Automation Functions
7.3 External Trip Initiation 3-Pole
SIPROTEC 5, High-Voltage Bay Controller, Manual 595
C53000-G5040-C015-9, Edition 11.2017