Siemens SIPROTEC 6MD665, Manual

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2 Functions
46
6MD665 Manual
C53000-G1876-C103-3
Accept the settings with OK.
Use metered values calculated from measured values
In this example, the active power of a 3-phase system is to be integrated over time and
displayed as a metered value. Here, a measuring transducer packet MU3P_1 which
must be identified as available in the function scope of the device is used. It is config-
ured with the secondary voltage nominal value 100.00 V and the secondary
current nominal value 1 A. The rated data of the network is 110 kV and 20 kA.
Inserting metered
values calculated
from measured
values Open the allocation matrix of the device and select Only measured and metered
values as the information type.
Open the information catalog and select the line PowerMeter(MVMV) under Power-
Meter
→
PowerMeter.
Figure 2-15 Selecting information type measured value metered value
Drag the selected information type with the left mouse button into the MU3P_1 group
in the allocation matrix.
Allocating metered
values calculated
from measured
values Allocate the inserted information item to the source Measured value in the allocation
matrix and select 3P1_P from the list.
Allocate the inserted information item to the Metered value window destination in the
allocation matrix.
Configuring metered
values calculated
from measured
values The properties of the metered values calculated from measured values can be config-
ured via a dialog box.
Right-click on the information item MeasVMV in the Information column, Display text
in the allocation matrix.
Select Properties... from the context menu. The Object properties dialog box is
opened.
Select the tab Measured value description and enter the unit MWh and 2 as the
number of decimal places.