Button - AEMC PowerPad 3945 User Manual

5.3.2

Button

This function key is used to display generated or consumed power, or real, reactive
and apparent energy.
This button toggles the display between generated energy (from load to supply)
and consumed energy (from supply to load) each time it is pressed. When the
is highlighted (yellow background) the display shows generated energy.
5.3.3 PF... Button
In "3L" display mode, the PF (Power Factor
[fundamental V, I, phase shift] ) or Cosine ϕ values and the Tangent ϕ can be dis-
played by pressing the "PF..." button.
Power Factor
ϕ
DPF or Cosine
ϕ
Tangent
Four Quadrant Power Diagram:
Power Quality Analyzer Model 3945
50.00Hz
1
0.634
PF
0.742
DPF
-0.439
Tan
W... PF...
Reactive Power - from supply
-W
Reactive Power - from load
Produced
), DPF (Displacement Power Factor
07/25/02
2
0.998
0.999
+0.050
Figure 5-13
+Var
2 1
3 4
-Var
Consumed
Figure 5-14
10:59 100%
3
0.995
3L
L1
L2
0.999
L3
+0.035
+W
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