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Bifurcation Phenomena of Harmonic Oscillations in Three-Phase Circuit
Takashi HISAKADO Kohshi OKUMURA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/06/25
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Nonlinear Problems
nonlinear symmetric three-phase circuit, harmonic oscillation, bifurcation, homotopy method,
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This paper presents the several bifurcation phenomena of harmonic oscillations occurred in nonlinear three-phase circuit. The circuit consists of delta-connected nonlinear inductors, capacitors and three-phase symmetrical voltage sources. We analyze the bifurcations of the oscillations by the homotopy method. Additionally, we confirm the bifurcation phenomena by real experiments. Furthermore, we reveal the effect of nonlinear couplings of inductors by the comparison of harmonic oscillations in a single-phase circuit.