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Data Mapping
3.1
Measured Quantities
3.1.1
Mapping
3.1.1.1
Measured Values Mapping
#
Value
1
Van
2
Vbn
3
Vcn
4
Vab
5
Vbc
6
Vca
7
V
8
Ia
9
Ib
10
Ic
11
I
12
3I0
13
Pa
14
Pb
15
Pc
16
P
17
Qa
22
The SICAM P 7KG7750/55 device supports transmission of measured values via the
communication protocol IEC 60870-5-103.
All measured values are transferred as per-unit values.
The column "100 % corresponds to" in the table below shows the relation between the
100 % per-unit value and the corresponding measured value. Additional explanations
are given below the table.
Please also refer to chapter 2.1.2 for the selection of the measured value ranges via
protocol.
Measured quantity
Voltage (A-N)
Voltage (B-N)
Voltage (C-N)
Voltage (A-B)
Voltage (B-C)
Voltage (C-A)
Average Voltage
Current (A)
Current (B)
Current (C)
Average Current
Neutral Current
Real Power (A)
Real Power (B)
Real Power (C)
Real Power
Reactive Power (A)
100 %
corresponds to
V
L-N (nom.)
V
L-N (nom.)
V
L-N (nom.)
V
L-L (nom.)
V
L-L (nom.)
V
L-L (nom.)
V
L-N (nom.)
I
(nom.)
I
(nom.)
I
(nom.)
I
(nom.)
I
(nom.)
I
* V
(nom.)
L-N (nom.)
I
* V
(nom.)
L-N (nom.)
I
* V
(nom.)
L-N (nom.)
3 * I
* V
(nom.)
L-N (nom.)
I
* V
(nom.)
L-N (nom.)
130
148
yes
130
148
yes
130
148
yes
130
151
no
130
151
no
130
151
no
130
151
no
130
148
yes
130
148
yes
130
148
yes
130
151
no
130
151
no
130
150
no
130
152
no
130
152
no
130
148
yes
130
150
no
Power Meter, IEC 60870-5-103, Manual
E50417-B1076-C375-A4, Release 11.2012
9
4
9
5
9
6
9
1
9
2
9
3
9
4
9
1
9
2
9
3
9
9
9
10
9
1
9
1
9
2
9
7
9
2
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