Stability problems and input impedance improvement for cascaded power electronic systems
2004
This paper reviews the instability problem and the analysis methods for the cascaded power electronics system. Based on the review, a compromised method is proposed. Due to the fact that the instability is caused by impedance interaction, analysis and improvement approaches for the input impedances of both PFC converters and DC/DC converters are presented in this paper. Simulation results verify the theoretical analysis.
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