Instruction manual –AQ F210 Feeder Protection IED
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9
T
ECHNICAL DATA
9.1
C
ONNECTIONS
9.1.1
M
EASUREMENTS
Table 9.1.1-1 Current measurement module
Measurement channels / CT inputs
Three phase currents, One coarse residual current, and One
sensitive residual current. Total of five separate CT inputs.
Phase current inputs (A,B,C)
-
Rated current In
-
Thermal withstand
-
Frequency measurement range
-
Current measurement range
-
Current measurement inaccuracy
-
Angle measurement inaccuracy
-
Burden (50Hz/60Hz)
5A (configurable 0.2A…10A)
30A continuous
100A for 10s
500A for 1s
1250A for 0.01s
from 6Hz to 75Hz fundamental, up to 31
st
harmonic current
25mA…250A(rms)
0.005xIn…4xIn < ±0.5% or < ±15mA
4xIn…20xIn < ±0.5%
20xIn…50xIn < ±1.0%
< ±0.1 °
<0.1VA
Coarse residual current input (I01)
-
Rated current In
-
Thermal withstand
-
Frequency measurement range
-
Current measurement range
-
Current measurement inaccuracy
-
Angle measurement inaccuracy
-
Burden (50Hz/60Hz)
1A (configurable 0.2A…10A)
25A continuous
100A for 10s
500A for 1s
1250A for 0.01s
from 6Hz to 75Hz fundamental, up to 31
st
harmonic current
2mA…150A(rms)
0.002xIn…10xIn < ±0.5% or < ±3mA
10xIn…150xIn < ±0.5%
< ±0.1 °
<0.1VA
Fine residual current input (I02)
-
Rated current In
-
Thermal withstand
-
Frequency measurement range
-
Current measurement range
0.2A (configurable 0.2A…10A)
25A continuous
100A for 10s
500A for 1s
1250A for 0.01s
from 6Hz to 75Hz fundamental, up to 31
st
harmonic current
0.4mA…75A(rms)