ABB Relion 620 Series - Residual Voltage Measurement RESVMMXU

Name Type Values (Range) Unit Description
Min demand Io FLOAT32 0.00...40.00 xIn Minimum de-
mand for residu-
al current
Time max de-
mand Io
Timestamp Time of maxi-
mum demand re-
sidual current
Time min de-
mand Io
Timestamp Time of mini-
mum demand re-
sidual current
8.1.7.6 Technical data
Table 917: 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
8.1.7.7 Technical revision history
Table 918: RESCMMXU Technical revision history
Technical revision Change
B -
C Residual current angle and demand value
added to Monitored data view. Recorded da-
ta added for minimum and maximum values
with timestamps.
D Monitored data Min demand Io maximum val-
ue range (RESCMSTA2.MinAmps.maxVal.f ) is
corrected to 40.00.
E Internal improvement
8.1.8 Residual voltage measurement RESVMMXU
8.1.8.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE
C37.2 device
number
Residual voltage measurement RESVMMXU Uo Vn
Measurement functions 1MRS757644 H
948 620 series
Technical Manual