ABB Relion 670 Series Applications Manual page 468

Section 17
Monitoring
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.
If the IED is connected to a station bus (IEC 61850-8-1), the disturbance recorder (record made and
fault number) and the fault locator information are available. The same information is obtainable if
IEC 60870-5-103 is used.
17.6.3 Setting guidelines
The setting parameters for the Disturbance report function DRPRDRE are set via the local HMI or
PCM600.
It is possible to handle up to 40 analog and 352 binary signals, either internal signals or signals
coming from external inputs. The binary signals are identical in all functions that is, Disturbance
recorder (DR), Event recorder (ER), Indication (IND), Trip value recorder (TVR) and Sequential of
events (SOE) function.
User-defined names of binary and analog input signals are set using PCM600. The analog and
binary signals appear with their user-defined names. The name is used in all related functions
(Disturbance recorder (DR), Event recorder (ER), Indication (IND), Trip value recorder (TVR) and
Sequential of events (SOE)).
Figure 216
blocks. Sequential of events (SOE), Event recorder (ER) and Indication (IND) uses information from
the binary input function blocks (BxRBDR). Trip value recorder (TVR) uses analog information from
the analog input function blocks (AxRADR), which is used by Fault locator (FL) after estimation by
Trip Value Recorder (TVR). Disturbance report function acquires information from both AxRADR
and BxRBDR.
462
shows the relations between Disturbance report, included functions and function
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