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User Manual

ManualsBrandsChauvin Arnoux ManualsElectrical & Electronic Test InstrumentsPower Quality Analyzer 1000 VAC 6500 AAC
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7.2.3. THE 4A THD DISPLAY SCREEN
This screen displays the phase current waveforms for one period and the total harmonic distortion values.
Current axis with automatic scaling.
Harmonic distortion for each curve.
Instantaneous value cursor. Use the
or key to move the cursor.
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 neu-
tral current.
Figure 59: The 4A THD display screen
Note: Filters L1, L2 and L3 display the total current and voltage harmonic distortion for phases 1, 2 and 3.
7.3. MEASUREMENT OF THE 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. THE 3U CF DISPLAY SCREEN
This screen displays the phase-to-phase voltage waveforms of one period and the peak factors.
Peak factor for each curve.
Voltage axis with automatic scaling.
Instantaneous value cursor. Use the
or key to move the cursor.
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 and2 (U
12
).
U2: instantaneous phase-to-phase
voltage between phases 2 and 3 (U
23
).
U3: instantaneous phase-to-phase
voltage between phases 3 and 1 (U
31
).
Figure 60: The 3U CF display screen
7.3.2. THE 3V CF DISPLAY SCREEN
This screen displays the phase-to-neutral voltage waveforms of one period and the peak factors.
Peak factor for each curve.
Voltage axis with automatic scaling.
Instantaneous value cursor. Use the
or key to move the cursor.
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 curve 1.
V2: instantaneous phase-to-neutral
voltage of curve 2.
V3: instantaneous phase-to-neutral
voltage of curve 3.
Figure 61: The 3V CF display screen