Technical Data - ABB RELION REX640 Technical Manual

Section 8
Measurement functions
8.1.10.8
8.1.11
8.1.11.1
8.1.11.2
1322
Name Type
I0_INST FLOAT32
I0_ANGL FLOAT32
I0_DB FLOAT32
I0_RANGE Enum

Technical data

Table 1264: CSMSQI Technical data
Characteristic
Operation accuracy
Suppression of harmonics
Sequence voltage measurement VSMSQI
Identification
Function description
Sequence voltage measurement
Function block
GUID-5590CEBE-727C-48B1-A958-6A5A28B846E1 V1 EN
Figure 710: Function block
Values (Range) Unit
0.00...40.00 xIn
-180.00...180.00 deg
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/f = ±2 Hz
n
±1.0% or ±0.002 × I
at currents in the range of 0.01...4.00 × I
DFT: -50 dB at f = n × f
IEC 61850 IEC 60617
identification identification
VSMSQI U1, U2, U0
1MRS759142 C
Description
Zero sequence current
amplitude, instantaneous
value
Zero sequence current
angle
Zero sequence current
amplitude, reported value
Zero sequence current
amplitude range
n
n
, where n = 2, 3, 4, 5,...
n
ANSI/IEEE C37.2
device number
V1, V2, V0
REX640
Technical Manual