ABB RELION REX640 - 8.1.8.8 Technical data; 8.1.9 Residual voltage measurement RESVMMXU (ANSI VG;VN); 8.1.9.1 Identification; 8.1.9.2 Function block

Name Type Values (Range) Unit Description
I_ANGL_RES FLOAT32 -180.00...180.00 deg Residual current angle
I_DB_RES FLOAT32 0.00...40.00 xIn Residual current Ampli-
tude, magnitude of
deadband value
I_DMD_RES FLOAT32 0.00...40.00 xIn Demand value of resid-
ual current
I_RANGE_RES Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Residual current Ampli-
tude range
Max demand Io FLOAT32 0.00...40.00 xIn Maximum demand for
residual current
Min demand Io FLOAT32 0.00...40.00 xIn Minimum demand for
residual current
Time max demand Io Timestamp Time of maximum de-
mand residual current
Time min demand Io Timestamp Time of minimum de-
mand residual current
8.1.8.8 Technical data
Table 1399: RESCMMXU Technical data
Characteristic Value
Operation accuracy At the frequency f = f
n
±0.5 % or ±0.002 × I
n
(at currents in the range of 0.01...4.00 × I
n
)
Suppression of harmonics
DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
RMS: No suppression
8.1.9 Residual voltage measurement RESVMMXU (ANSI VG/VN)
8.1.9.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Residual voltage measurement RESVMMXU Uo VG/VN
8.1.9.2 Function block
Figure 811: Function block
1MRS759142 F
Measurement functions
REX640
Technical Manual
1465