Paper title: METHOD FOR ANALYZING THREE-PHASE NETWORKS WITH NONLINEAR RESISTIVE ELEMENTS
Author(s): FLOREA IOAN HĂNŢILĂ, MIHAI MARICARU, MARILENA STANCULESCU, GEORGE-MARIAN VASILESCU,
Abstract: In this paper there is presented a procedure in which the nonlinear resistive elements are replaced by voltage or current
generators whose sources are corrected, in an iterative manner, function of the voltage or of the current corresponding to the
terminals. The resistances of the generators do not modify along the iterations and they can be chosen such that the three-phase
network to be balanced, from its passive elements point of view. The harmonic analysis of the network is performed, by
decomposing it into a direct, inverse and homopolar succession. By applying the proposed procedure, it results a spectacular
reduction of the circuit’s complexity. After determining the voltages and the currents at the terminals of the generators, their
values, in time domain, are being computed and the sources are corrected. Then, the complex images are obtained, and the next
iteration is applied. It results immediately the content of the harmonics and therefore the power quality.
Keywords: Three-phase nonlinear networks, Fix point method for nonlinear controlled sources, Direct, inverse and homopolar
succession network decomposition Year: 2019 | Tome: 64 | Issue: 2 | Pp.: 103-106
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