User's Manual

PC Software for 1740 Series
PQ Log Feature Reference
35
Note
Check the different options using the demo measurements, or one of your
own measurements. This will quickly give you an impression of the
predefined analyses.
2. Click OK. The timeplot appears in the desired format with the selected
channels.
Info
Click this button to view the information text for each predefined analysis. A message
explains why the selected channels are relevant for the analysis.
Copy
This button copies the entire contents onto the clipboard. The descriptions can be used in
the measurement documentation.
The channel selection can be called up from any Timeplot. Click the icon in the Symbol
bar of the respective diagram.
Timeplot – Manual Channel Selection
The timeplot diagram shows important correlations and the course of the measured
variables.
To manually select the channel:
1. Select the desired channels.
2. Select the measured values and phases. All means phase L1 or A, L2 or B, and
L3 or C. Click.
.
The desired measurement rows are selected. Double clicking on a measured
variable has the same effect. The selected measurement rows appear in the
selection window. Selection is possible only up to 9 channels.
3. Click
if you wish to deselect one of the channels and to deselect all
the selected channels.
4. Click OK to confirm.
Selection in Cumulative Frequency
Opens a timeplot for the harmonics selected out of the cumulative frequency diagram.
To select a cumulative frequency:
1. Open the measurement data file and a cumulative frequency presentation.
2. Select the columns of the harmonics you wish to have in the timeplot.
3. Click the Timeplot button.
4. The timeplot with the selected harmonics is shown.
Timeplot
The following three tables show the relation between the parameters and their course
versus time in detail for all measurement parameters.