frako PQC - Page 40

40 | Description of the menu
Power Quality Controller – PQC | Operating Manual | FRAKO
6.2.2.4 V Harm. spectrum, I Harm. spectrum
Main menu > Display > System & PQ > V Harm. spectrum, I Harm. spectrum
Graphical display of the harmonics spectrum up to the 19th
Key
Action
Back to
Display menu
Zoom + Zoom -
Toggle
between
H1–12 and
H13–19
Additional
info
The fundamental at 50/60 Hz is shown as 100%. One scale division on the y-axis
represents 5%.
6.2.2.5 Frequency analysis
Main menu > Display > System & PQ > Frequency analysis
Phase Measurement on Lx [1 ≤ X ≤ 3]
Frequency 10 Hz to 2,500 Hz in steps of 10 Hz
V(f) Magnitude of voltage at the selected fre-
quency as a percentage of the fundamental
voltage V
1
(f = 50/60 Hz)
I(f) Magnitude of current at the selected
frequency as a percentage of the fundamental I
1
(f = 50/60 Hz)
Angle φ Angle between V
(f)
and I
(f)
in degrees
Angle γ Angle between V
1
(fundamental) and I
(f)
in degrees
Key
Action Info status
Frequency
+10 Hz
Frequency
–10 Hz
Select phase –