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Title: Interacting bifurcation phenomenon in three-phase voltage source converter connected to non-ideal power grid
Authors: Huang, M
Tse, CK 
Wong, SC 
Ruan, X
Wan, C
Keywords: Catastrophic bifurcation
Grid interaction
Hopf bifurcation
Low-frequency instability
Three-phase voltage source converter
Issue Date: 2013
Source: IECON Proceedings (Industrial Electronics Conference), 2013, 6700536, p. 8373-8378 How to cite?
Abstract: Three-phase voltage source converters are commonly used to convert ac power from a three-phase grid to a regulated dc voltage with controlled unity input power factor. However, the non-ideal power grid may drive the converter to enter a low-frequency instability region. As a result of the emergence of low-frequency oscillation, the stability boundary leading to a catastrophic bifurcation shrinks dramatically. Simulation results show the interaction of the low-frequency oscillation and the catastrophic bifurcation. Analytical calculations based on harmonic balance are adopted to show how the stability margin is affected.
Description: 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013, Vienna, 10-14 November 2013
ISBN: 9781479902248
DOI: 10.1109/IECON.2013.6700536
Appears in Collections:Conference Paper

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