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The list can be configured to show oldest or newest events first with a setting on the local
HMI.
The sequential of events function runs continuously, in contrast to the event recorder
function, which is only active during a disturbance, and each event record is an integral
part of its associated DR.
The name of the binary signal that appears in the event recording is the user-defined name
assigned when the IED is configured. The same name is used in the disturbance recorder
function , indications and the event recorder function .
The sequential of events is stored and managed separate from the disturbance report
information.
12.7.5
Technical data
Table 393:
DRPRDRE technical data
Function
Value
Buffer capacity
Maximum number of events in the list
1000
Resolution
1 ms
Accuracy
Depending on time
synchronizing
12.8
Trip value recorder
12.8.1
Functionality
Information about the pre-fault and fault values for currents and voltages are vital for the
disturbance evaluation.
The Trip value recorder calculates the values of all selected analog input signals connected
to the Disturbance recorder function. The result is magnitude and phase angle before and
during the fault for each analog input signal.
The trip value recorder information is available for the disturbances locally in the IED.
The trip value recorder information is an integrated part of the disturbance record
(Comtrade file).
12.8.2
Function block
The Trip value recorder has no function block of it’s own.
1MRK 511 287-UUS A
Section 12
Monitoring
493
Technical manual
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