User Manual – Rev BE AMETEK Programmable Power
MX Series 287
SWEEP GROUP
If the SWEEP group is selected, the screen will appear as shown in Figure 9-24.
The screen has the following parameters that are unique to the group:
Figure 9-24: IEC 1000-4-13 SWEEP
LEVEL
Sets the percentage level of the interharmonics relative to the fundamental.
The level is fixed for the entire frequency range, which is defined by FRANGE. To
change level, the test state must be off and user class must be selected.
FRANGE
The range is selected by rotating the shuttle. The range selection is required to
change the level for the selected range. Also, an individual range sweep is
possible by selecting the desired range and selecting RUN RANGE from the RUN
field.
STEP
The step size defines the interharmonics sweep points. Step size is fixed for the
entire sweep range. The STEP size can be changed when the test state is off.
IHFREQ
This field will show the current interharmonic frequency when the test is
running. An interharmonic frequency can be selected using the shuttle. To run a
frequency without sweeping through the entire range, a RUN POINT can be
selected.
RESONANT
This field is used to report the resonant points, if any, after running the sweep
test. No editing is allowed in this field. When the test is completed, a display of
harmonics current versus frequency plot is available. To view the graph, select
the field and press the ENTER key.
HARMONICS GROUP
If the Harmonics group is selected, the screen will appear as shown in Figure
9-25. The screen has the following parameters that are unique to the group:
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