MI 2893 / MI 2892 / MI 2885 Harmonics / inter-harmonics
60
Shows harmonics / inter-harmonics components for phases L31.
Switches to AVG (average) view (available only during recording).
Switches to TREND view (available only during recording).
Scales displayed histogram by amplitude.
Scrolls cursor to select single harmonic / inter-harmonic bar.
Toggles cursor between voltage and current histogram.
Triggers Waveform snapshot.
Returns to the “MEASUREMENTS” submenu.
3.8.4 Trend
During active GENERAL RECORDER, TREND view is available (see section 3.14 for instructions how to
start GENERAL RECORDER). Voltage and current harmonic / inter-harmonic components can be
observed by cycling function key F4 (METER-BAR-AVG-TREND).
Figure 43: Harmonics and inter-harmonics trend screen
Table 29: Instrument screen symbols and abbreviations
Interval maximal ( ) and average ( ) value of total voltage harmonic distortion
THD
U
for selected phase
Interval maximal ( ) and average ( ) value of total current harmonic distortion
THD
I
for selected phase
Interval maximal ( ) and average ( ) value of DC voltage component for selected
phase
Interval maximal ( ) and average ( )value of selected DC current component for
selected phase
Interval maximal ( ) and average ( ) value for selected n-th voltage harmonic /
inter-harmonic component for selected phase
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