ABB Relion 670 Series RES670, Technical Manual

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16.6.7 Operation principle
Disturbance report DRPRDRE is a common name for several functions to supply the
operator, analysis engineer, and so on, with sufficient information about events in the
system.
The functions included in the disturbance report are:
• Sequential of events (SOE)
• Indications (IND)
• Event recorder (ER)
• Trip value recorder(TVR)
• Disturbance recorder (DR)
Figure 212 shows the relations between Disturbance Report, included functions and
function blocks. Sequential of events (SOE), Event recorder (ER) and Indications (IND)
uses information from the binary input function blocks (BxRBDR). Trip value recorder
(TVR) uses analog information from the analog input function blocks (AxRADR).
Disturbance recorder DRPRDRE acquires information from both AxRADR and
BxRBDR.
Section 16
1MRK 511 365-UUS A
Monitoring
562 Phasor measurement unit RES670 2.1 ANSI
Technical manual