ABB RELION REX640 Technical Manual page 1486

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