Technical Data - ABB RELION REX640 Technical Manual

1MRS759142 C
8.1.4.8
8.1.5
8.1.5.1
REX640
Technical Manual
Name Type
I_RANGE_B Enum
I_INST_C FLOAT32
I_ANGL_C FLOAT32
I_DB_C FLOAT32
I_DMD_C FLOAT32
I_RANGE_C Enum

Technical data

Table 1220: CMMXU Technical data
Characteristic
Operation accuracy
Suppression of harmonics
Three-phase voltage measurement VMMXU
Identification
Function description
Three-phase voltage measurement
Measurement functions
Values (Range) Unit
0=normal
1=high
2=low
3=high-high
4=low-low
0.00...40.00 xIn
-180.00...180.00 deg
0.00...40.00 xIn
0.00...40.00 xIn
0=normal
1=high
2=low
3=high-high
4=low-low
Value
Depending on the frequency of the measured
current: f ±2 Hz
n
±0.5% or ±0.002 × I
(at currents in the range of 0.01...4.00 × I
DFT: -50 dB at f = n × f
RMS: No suppression
IEC 61850 IEC 60617
identification identification
VMMXU 3U
Section 8
Description
IL2 Amplitude range
IL3 Amplitude,
magnitude of
instantaneous value
IL3 current angle
IL3 Amplitude,
magnitude of reported
value
Demand value of IL3
current
IL3 Amplitude range
n
)
n
, where n = 2, 3, 4, 5,...
n
ANSI/IEEE C37.2
device number
VA, VB, VC
1301