Mutual Influence between Harmonics and Nonlinear Loads (Influência mútua entre harmônicos e cargas não-lineares)

Marcos André Barros Galhardo (galhardo@ufpa.br), João Tavares Pinho (jtpinho@ufpa.br)


Universidade Federal do Pará
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2008
Volume: 6,   Issue: 7 
ISSN: 1548-0992


Abstract:
This work presents and analyzes cases where mutual influence between voltage and/or current harmonic content and nonlinear loads occurs. These influences are exemplified by means of undertaken measurements and simulations, such as: the supply of nonlinear loads with different voltage waveforms, especially loads composed of a rectifier with capacitive filter; the influence of current harmonic content in the supply voltage; the combination of three-phase and single phase loads; and the mutual influence of harmonic content of shunt-connected loads, emphasizing, in these last two cases, the possibility of harmonic compensation.

Index Terms:
harmonics, nonlinear loads, inverters, power system, harmonic compensation   


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