EMA90 - USER MANUAL
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Variable reading Thd of voltage and current (harmonics orders option)
Note: These pages are displayed only if the option HARMONICS is activated with the ACCESS code
in the menu GENERAL (see par.11.3).
A page shows the total harmonic distortion of voltage and of current:
• (Thd) total harmonic distortion of voltage L1 phase [Thd
1
]
• (Thd) total harmonic distortion of voltage L2 phase [Thd
2
]
• (Thd) total harmonic distortion of voltage L3 phase [Thd
3
]
• (Thd) total harmonic distortion of current L1 phase [Thd
1
]
• (Thd) total harmonic distortion of current L2 phase [Thd
2
]
• (Thd) total harmonic distortion of current L3 phase [Thd
3
]
8 pages show the harmonic components (up to 31
st
) of voltage
and current of each line in numerical form.
Variable reading total harmonic distortion and harmonic components
of voltage and current (option).
6 pages of visualization of THD and harmonic components (up to 31
st
with
fundamental frequency 50-60Hz) of voltage and current of each line
expressed in numerical and graphic form. Once entering in the harmonic
analyzes page, it may be possible with the right + enter & left + enter keys
to page through the order of the harmonics up to the 31
st
. The pages show
the histograms, the order of the harmonic and value referred to the
fundamental.
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