ABB RELION 620 Series Technical Manual page 961

1MRS757644 F
8.1.10.6
620 series
Technical Manual
Name Type
I2_DB FLOAT32
I2_RANGE Enum
I1_INST FLOAT32
I1_ANGL FLOAT32
I1_DB FLOAT32
I1_RANGE Enum
I0_INST FLOAT32
I0_ANGL FLOAT32
I0_DB FLOAT32
I0_RANGE Enum
Technical data
Table 935: CSMSQI Technical data
Characteristic
Operation accuracy
Suppression of harmonics
Measurement functions
Values (Range) Unit
0.00...40.00 xIn
0=normal
1=high
2=low
3=high-high
4=low-low
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
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
Section 8
Description
Negative sequence
current amplitude,
reported value
Negative sequence
current amplitude range
Positive sequence
current amplitude,
instantaneous value
Positive sequence
current angle
Positive sequence
current amplitude,
reported value
Positive sequence
current amplitude range
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
955