MI 2893 / MI 2892 / MI 2885
Harmonics / inter-harmonics
56
RMS
RMS voltage / current value
THD
Total voltage / current harmonic distortion THD
U
and THD
I
in % of fundamental
voltage / current harmonic or in RMS V, A.
k
k-factor (unit-less) indicates the amount of harmonics that load generate
DC
Voltage or current DC component in % of fundamental voltage / current harmonic
or in RMS V, A.
h1 … h50
n-th harmonic voltage Uh
n
or current Ih
n
component in % of fundamental voltage
/ current harmonic or in RMS V, A.
ih0 … ih50
n-th inter-harmonic voltage Uih
n
or current Iih
n
component in % of fundamental
voltage / current harmonic or in RMS V, A.
Table 24: Keys in Harmonics / inter-harmonics (METER) screens
HOLD
Holds measurement on display. Hold clock time will be displayed in the
right top corner.
RUN
Runs held measurement.
VIEW
Switch’s view between Harmonics and Inter-harmonics.
Switches units between:
RMS (Volts, Amperes)
% of fundamental harmonic
Keys in VIEW window:
Selects option.
Confirms selected option.
Exits selection window without change.
Selects between single phase, neutral, all-phases and line harmonics /
inter-harmonics view.
1
2 3 N
Shows harmonics / inter-harmonics components for phase L1.
1
2
3 N
Shows harmonics / inter-harmonics components for phase L2.
1
2
3
N
Shows harmonics / inter-harmonics components for phase L3.
1
2 3
N
Shows harmonics / inter-harmonics components for neutral channel.
1
2 3 N
Shows harmonics / inter-harmonics components for all phases on single
screen.
12
23 31
Δ
Shows harmonics / inter-harmonics components for phase L12.
12
23
31
Δ
Shows harmonics / inter-harmonics components for phase L23.
12
23
31
Δ
Shows harmonics / inter-harmonics components for phase L31.
12
23 31
Δ
Shows harmonics / inter-harmonics components for phase-to-phase
voltages.
METER
Switches to METER view.
F1
F2
ENTER
F3