Harmonics Mode; Single Phase And Phase-To-Phase Voltage Analysis - AEMC PowerPad 3945 User Manual

5.2 Harmonics Mode

Press the harmonic display mode button -
Use the function buttons to select the type of harmonic analysis:
V - Single phase voltage analysis
A - Current analysis
VA - Power and direction fl ow analysis
U - Phase-to-phase voltage analysis
The
out, in increments of 2%, 5%, 10%, 20%, 50% and 100%.

5.2.1 Single Phase and Phase-to-Phase Voltage Analysis

Vh 03
1
%
50
2
25
V
Œ
Values measured for each phase, at cursor position (in the example shown
above, the 3
The information displayed is:
- Harmonic order
- Percentage relative to the fundamental
- RMS value
- Phase angle in relation to the fundamental, according to the measurement
type chosen (in this example V) with the variable function buttons just
below the screen.
38
and buttons allow the user to zoom in or
59.95Hz
31.5
1 %
31.4
v
+003°
1 3 5 7
A
rd
harmonic is selected and displayed)
07/25/02
1.3
2 %
2.7
v
+113°
9 11 13 15 17 19 21 23 25
VA U
Figure 5-8
Power Quality Analyzer Model 3945
10:26 100%
0.6
3 %
1.2
v
-094°
.+
3L
L1
L2
L3
3