MI 2892 Power Master
Operating the instrument
50
Figure 3.33: Harmonics and interharmonics trend screen
Table 3.28: Instrument screen symbols and abbreviations
ThdU
Interval maximal ( ) and average ( ) value of total voltage harmonic distortion
THD
U
for selected phase
ThdI
Interval maximal ( ) and average ( ) value of total current harmonic distortion
THD
I
for selected phase
Udc
Interval maximal ( ) and average ( ) value of DC voltage component for selected
phase
Idc
Interval maximal ( ) and average ( )value of selected DC current component for
selected phase
Uh01...Uh50
Uih01…Uih50
Interval maximal ( ) and average ( ) value for selected n-th voltage harmonic /
interharmonic component for selected phase
Ih01…Ih50
Iih01…Ih50
Interval maximal ( ) and average ( )value of selected n-th current harmonic /
interharmonic component for selected phase
Table 3.29: Keys in Harmonics / interharmonics (TREND) screens
VIEW
Switches between harmonics or interharmonics view.
Switches measurement units between RMS V,A or % of fundamental
harmonic.
Selects harmonic number for observing.
Keys in VIEW window:
Selects option.
Confirms selected option.
Exits selection window without change.
F2
ENTER