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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
Содержание 615 Series ANSI
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Страница 389: ...Section 4 1MAC050144 MB C Protection functions 382 615 series ANSI Technical Manual ...
Страница 485: ...Section 6 1MAC050144 MB C Supervision functions 478 615 series ANSI Technical Manual ...
Страница 635: ...Section 10 1MAC050144 MB C Other functions 628 615 series ANSI Technical Manual ...
Страница 707: ...Section 15 1MAC050144 MB C Applicable standards and regulations 700 615 series ANSI Technical Manual ...
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