12.4.6.5
Trip value recorder
The recorded trip values include phasors of selected analog signals before the fault and
during the fault, see Trip value recorder section for detailed information.
12.4.6.6
Disturbance recorder
Disturbance recorder records analog and binary signal data before, during and after the
fault, see Disturbance recorder section for detailed information.
12.4.6.7
Time tagging
The IED has a built-in real-time calendar and clock. This function is used for all time
tagging within the disturbance report
12.4.6.8
Recording times
Disturbance report DRPRDRE records information about a disturbance during a settable
time frame. The recording times are valid for the whole disturbance report. Disturbance
recorder, event recorder and indication function register disturbance data and events
during tRecording, the total recording time.
The total recording time, tRecording, of a recorded disturbance is:
tRecording =
PreFau PostFaultrecT or PreFau TimeLimit, depending on which
criterion stops the current disturbance recording
1MRK 511 287-UUS A
Section 12
Monitoring
483
Technical manual
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