18.6.1 Identification
Function description IEC 61850 identification IEC 60617
identification
ANSI/IEEE C37.2
device number
Disturbance report DRPRDRE - -
Disturbance report A1RADR - A4RADR - -
Disturbance report B1RBDR - B22RBDR - -
18.6.2 Application
To get fast, complete and reliable information about disturbances in the primary and/or in
the secondary system it is very important to gather information on fault currents, voltages
and events. It is also important having a continuous event-logging to be able to monitor in
an overview perspective. These tasks are accomplished by the disturbance report function
DRPRDRE and facilitate a better understanding of the power system behavior and related
primary and secondary equipment during and after a disturbance. An analysis of the
recorded data provides valuable information that can be used to explain a disturbance,
basis for change of IED setting plan, improve existing equipment, and so on. This
information can also be used in a longer perspective when planning for and designing new
installations, that is, a disturbance recording could be a part of Functional Analysis (FA).
Disturbance report DRPRDRE, always included in the IED, acquires sampled data of all
selected analog and binary signals connected to the function blocks that is,
• Maximum 30 external analog signals,
• 10 internal derived analog signals, and
• 352 binary signals
Disturbance report function is a common name for several functions; Indications (IND),
Event recorder (ER), Sequential of events (SOE), Trip value recorder (TVR), Disturbance
recorder (DR) and Fault locator (FL).
Disturbance report function is characterized by great flexibility as far as configuration,
starting conditions, recording times, and storage capacity are concerned. Thus,
disturbance report is not dependent on the operation of protective functions, and it can
record disturbances that were not discovered by protective functions for one reason or
another. Disturbance report can be used as an advanced stand-alone disturbance recorder.
Every disturbance report recording is saved in the IED. The same applies to all events,
which are continuously saved in a ring-buffer. Local HMI can be used to get information
about the recordings, and the disturbance report files may be uploaded in the PCM600
using the Disturbance handling tool, for report reading or further analysis (using
WaveWin, that can be found on the PCM600 installation CD). The user can also upload
disturbance report files using FTP or MMS (over 61850–8–1) clients.
1MRK 506 369-UUS - Section 18
Monitoring
Line distance protection REL670 2.2 ANSI 837
Application manual
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