Sequence Voltage Measurement Vsmsqi - ABB RELION SMU615 Technical Manual

1MRS758407 C
7.1.8.6 Technical data
Table 237: CSMSQI Technical data
Characteristic
Operation accuracy
Suppression of harmonics
7.1.8.7 Technical revision history
Table 238: CSMSQI Technical revision history
Technical revision
A
B
C
7.1.9

Sequence voltage measurement VSMSQI

7.1.9.1 Identification
Function description
Sequence voltage measurement
7.1.9.2 Function block
Figure 128: Function block
7.1.9.3 Signals
SMU615
Technical Manual
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
Change
-
Sequence current angle values added to the
Monitored data view.
Internal improvement.
IEC 61850 IEC 60617
identification identification
VSMSQI U1, U2, U0
Measurement functions
n
n
, where n = 2, 3, 4, 5,...
n
ANSI/IEEE C37.2
device number
V1, V2, V0
209