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4.2.1.1 PHASE-TO-NEUTRAL HARMONICS DISPLAY SCREEN (3L)
Item Function
1
Harmonic selection cursor; change values with the cursor using the ◄ and ►buttons
The horizontal axis indicates the orders of the harmonics (odd marking). Display of the level of the harmonics as a percentage of the
fundamental (order 1)
2
- DC: DC component
- 1 to 25: harmonics of order 1 to 25; when the cursor exceeds order 25, order 26 to 50 appears
- Vh 05: harmonic number
- %: ratio of the harmonic to the fundamental
3
- V: RMS voltage of the harmonic in question
- +000°: phase shift with respect to the fundamental (order 1)
Display in expert mode -.+ (on the right-hand side) is available for 3-phase hookups by pressing the ▲ and ▼ buttons.
4.2.1.2 PHASE VOLTAGE HARMONICS DISPLAY SCREEN (L1)
Item Function
1
Harmonic selection cursor; change values with the cursor using the ◄ and ►buttons
The horizontal axis indicates the orders of the harmonics (odd marking). Display of the level of the harmonics as a percentage of the
fundamental (order 1)
2
- DC: DC component
- 1 to 25: harmonics of order 1 to 25; when the cursor exceeds order 25, order 26 to 50 appears
-
: indicator of the presence of non-zero harmonics of order higher than 25
Power Quality Analyzer PowerPad
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Figure 4-13
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