Page 100 - Sace Emax 2 Catalogue

5/22 SACE EMAX 2 LOW VOLTAGE AIR CIRCUIT-BREAKERS

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Energy Measurements

Network Analyzer

U Network

Network Non-linear current leads
to non-linear voltage

I hrm

Overload! Overheating!

Harmonic generator Power factor correction

Power electronics produce harmonic content that tent of voltage and current waveforms and to
can affect other loads in the plant: the result can take measures if such values are high, a dedicated
be an overheating of the asynchronous motor and index has been defined. The total harmonic dis-
an overload on the power factor correction capac- tortion (THD) of a signal is a measurement of the
itors. To get information about the harmonic con- harmonic distortion present.