User Manual

Front panel
At the top of eac
h graph are two readings and group and channel name. The
first reading is the fundamental value, in the measured units, and phase angle.
The s econd result is the highlighted harmonic in the same units as it would be
displayed on the results screen (either percentage or absolute as definedbythe
users setting for the group) and the phase angle. The phase angle will be displayed
irrespective of whether it is displayed on the results screen.
An individual harmonic can be selected by using the left and right arrow soft keys.
The selected harmonic will be yellow as opposed to green. The left and right
arrows wil
l only change the selection of the harmonic with the active group. If the
display is only showing one bar chart, then using the selection is straightforward.
When the user then changes to the next channel using the left and right arrow hard
keys, the harmonic selected will be based on possible changes w hen viewing
the previous channel.
For the X axis, the maximum number of harmonic values that can be displayed
is 50, even though there could be up to 100. The harmonic values displayed are
determined by the harmonic sequence and range for the appropriate group. For
exampl
e, if the unit has been configured to display odd and even harmonics up to
the 50
th
, then 50 harmonics will be displayed. If only odd harmonics up to the
19
th
, then 10 harmonics will be displayed.
If the number of harmonics to be displayed is less than 50, then they will be
spread across the allowed width of the graph. If the user has selected more than
50 harmonics to display, then the left and right arrow soft keys will be used to
scroll through the harmonics and the axis labels will be changed a fter the 50
th
harmonic result has been reached.
A summary of the soft keys is d etailed below:
To
ggles the harmonics displayed between
volts, amps, and then watts, returning back
to volts. Works on a per-group basis.
Changes the harmonic selected by one to
t
he right (higher order).
C
hanges the harmonic selected b y one to
the left (lower order).
Jumps to the harmonics setup menu.
16 PA3000 Power Analyzer User Manual