ABB RELION Series, Technical Manual

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Name Type Values (Range) Unit Description
Min demand Io FLOAT32 0.00...40.00 xIn Minimum demand for
residual current
Time max demand Io Timestamp Time of maximum
demand residual current
Time min demand Io Timestamp Time of minimum
demand residual current
8.1.6.6 Technical data
Table 586: 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
8.1.6.7 Technical revision history
Table 587: RESCMMXU Technical revision history
Technical revision Change
B -
C Residual current angle and demand value added
to Monitored data view. Recorded data added for
minimum and maximum values with timestamps.
D Monitored data Min demand Io maximum value
range (RESCMSTA2.MinAmps.maxVal.f ) is
corrected to 40.00.
E Internal improvement
8.1.7 Residual voltage measurement RESVMMXU
8.1.7.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Residual voltage measurement RESVMMXU Uo Vn
1MRS758755 A
Section 8
Measurement functions
REC615 and RER615 571
Technical Manual