Protection Related Functions; Master Trip Trpptrc; Identification; Function Block - ABB RELION SMU615 Technical Manual

1MRS758407 C
4

Protection related functions

4.1

Master trip TRPPTRC

4.1.1

Identification

Function description
Master trip
4.1.2

Function block

Figure 82: Function block
4.1.3

Functionality

The master trip function TRPPTRC is used as a trip command collector and handler
after the protection functions. The features of this function influence the trip signal
behavior of the circuit breaker. The minimum trip pulse length can be set when the
non-latched mode is selected. It is also possible to select the latched or lockout
mode for the trip signal.
4.1.4

Operation principle

The function can be enabled and disabled with the
corresponding parameter values are "On" and "Off".
The operation of TRPPTRC can be described with a module diagram. All the modules
in the diagram are explained in the next sections.
SMU615
Technical Manual
When the TRPPTRC function is disabled, all trip outputs intended to go
through the function to the circuit breaker trip coil are blocked.
IEC 61850 IEC 60617
identification identification
TRPPTRC Master Trip
Operation setting. The
Protection related functions
ANSI/IEEE C37.2
device number
94/86
129