ABB Relion 620 Series - Sequence Current Measurement CSMSQI

Table 930: FMMXU Technical data
Characteristic Value
Operation accuracy
±10 mHz
(in measurement range 35...75 Hz)
8.1.9.8 Technical revision history
Table 931: FMMXU Technical revision history
Technical revision Change
B Added new setting Def frequency Sel . Fre-
quency measurement range lowered from 35
Hz to 10 Hz.
8.1.10 Sequence current measurement CSMSQI
8.1.10.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Sequence current measurement CSMSQI I1, I2, I0 I1, I2, I0
8.1.10.2 Function block
Figure 507: Function block
8.1.10.3 Signals
Table 932: CSMSQI Input signals
Name Type Default Description
I
0
SIGNAL 0 Zero sequence cur-
rent
I
1
SIGNAL 0 Positive sequence
current
I
2
SIGNAL 0 Negative sequence
current
8.1.10.4 Settings
1MRS757644 H
Measurement functions
620 series
Technical Manual
953