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7.2.3. 4A THD DISPLAY SCREEN
This screen displays the phase current waveforms for one period and the total harmonic distortion values.
Harmonic distortion for each
Current axis with automatic
Instantaneous value cursor. Use
the or button to move the
NOTE: Filters L1, L2, L3 and N display the total current and voltage harmonic distortion for phases 1, 2 and 3 and the
neutral channel.
7.3. PEAK FACTOR
The CF sub-menu displays the waveforms of the signals measured over one period and the voltage and current peak factors.
7.3.1. 3U CF DISPLAY SCREEN
This screen displays the phase-to-phase voltage waveforms of one period and the peak factors.
Peak factor for each graph.
Voltage axis with automatic
Instantaneous value cursor. Use
the or button to move the
7.3.2. 4V CF DISPLAY SCREEN
This screen displays the phase-to-neutral voltage waveforms of one period and the peak factors.
Peak factor for each graph.
Voltage axis with automatic
Instantaneous value cursor. Use
the or button to move the
graph.
scaling.
cursor.
scaling.
cursor.
scaling.
cursor.
Figure 7-8
Figure 7-9
Figure 7-10
57
Instantaneous values of the signals at
the position of the cursor.
t: time relative to the start of the
period.
A1: instantaneous current of phase 1.
A2: instantaneous current of phase 2.
A3: instantaneous current of phase 3.
AN: instantaneous value of the
neutral current.
Instantaneous values of the signals at
the position of the cursor.
t: time relative to the start of the period.
U1: instantaneous phase-to-phase
voltage between phases 1 and 2 (U
U2: instantaneous phase-to-phase
voltage between phases 2 and 3 (U
U3: instantaneous phase-to-phase
voltage between phases 3 and 1 (U
Instantaneous values of the signals at
the position of the cursor.
t: time relative to the start of the period.
V1: instantaneous phase-to-neutral
voltage of graph 1.
V2: instantaneous phase-to-neutral
voltage of graph 2.
V3: instantaneous phase-to-neutral
voltage of graph 3.
VN: instantaneous value of the phase-
to-neutral voltage of the neutral.
).
12
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23
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