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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
Содержание RELION Series
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