ABB RELION REX640 - 8.1.13.8 Technical data; 8.2 Disturbance recorder, common functionality RDRE (ANSI DFR); 8.2.1 Identification; 8.2.2 Function block

Name Type Values (Range) Unit Description
Time max dmd P Timestamp Time of maximum de-
mand
Time min dmd P Timestamp Time of minimum de-
mand
Time max dmd Q Timestamp Time of maximum de-
mand
Time min dmd Q Timestamp Time of minimum de-
mand
8.1.13.8 Technical data
Table 1436: PEMMXU Technical data
Characteristic Value
Operation accuracy
1
At all three currents in range 0.10…1.20 × I
n
At all three voltages in range 0.50…1.15 × U
n
At the frequency f
n
±1 Hz
±1.5 % for apparent power S
±1.5 % for active power P and active energy
2
±1.5 % for reactive power Q and reactive en-
ergy
3
±0.015 for power factor
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
8.2 Disturbance recorder, common functionality RDRE
(ANSI DFR)
8.2.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Disturbance recorder, common
functionality
RDRE DR DFR
1
Measurement mode = "Pos Seq" (default)
2
|PF| >0.5 which equals |cosφ| >0.5
3
|PF| <0.86 which equals |sinφ| >0.5
Measurement functions 1MRS759142 F
1486 REX640
Technical Manual