ABB 615 Series ANSI, Technical Manual

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Section 8
1MAC050144-MB C
Measurement functions
550 615 series ANSI
Technical Manual
8.3.5 Monitored data
Table 455: I1, I2, I0 Monitored data
8.3.6 Technical data
Table 456: I1, I2, I0 Technical data
8.4 Residual current measurement, IG
8.4.1 Identification
Name Type Values (Range) Unit Description
I2-A FLOAT32 0.00...40.00 xIn Measured negative sequence current
I1-A FLOAT32 0.00...40.00 xIn Measured positive sequence current
I0-A FLOAT32 0.00...40.00 xIn Measured zero sequence current
I2_INST FLOAT32 0.00...40.00 xIn Negative sequence current amplitude, instantaneous
value
I2_DB FLOAT32 0.00...40.00 xIn Negative sequence current amplitude, reported value
I2_RANGE Enum 0=normal
1=high
2=low
3=high-high
4=low-low
Negative sequence current amplitude range
I1_INST FLOAT32 0.00...40.00 xIn Positive sequence current amplitude, instantaneous
value
I1_DB FLOAT32 0.00...40.00 xIn Positive sequence current amplitude, reported value
I1_RANGE Enum 0=normal
1=high
2=low
3=high-high
4=low-low
Positive sequence current amplitude range
I0_INST FLOAT32 0.00...40.00 xIn Zero sequence current amplitude, instantaneous
value
I0_DB FLOAT32 0.00...40.00 xIn Zero sequence current amplitude, reported value
I0_RANGE Enum 0=normal
1=high
2=low
3=high-high
4=low-low
Zero sequence current amplitude range
Characteristic Value
Pickup accuracy Depending on the frequency of the current
measured: f/f
n
= ±2Hz
±1.0% or ±0.002 x I
n
at currents in the range of 0.01...4.00 x I
n
Suppression of harmonics DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,…
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Neutral current RESCMMXU I0 IG