Nonlinear Behavior in Current Mode Research of Z-Source DC/DC Converter

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Z-source converter as a kind of power converter will be responsible for the energy transmission, the paper focuses on the nonlinear characteristic analysis of Z-source DC/DC converter, in the continuous conduction mode (CCM), take Z-source converter with peak current control as the research object, establish stroboscopic mapping model for analyzing its nonlinear characteristic. the experiment result proves that Z-source converter stroboscopic mapping model is correct for analyzing its nonlinear behavior, which provides a theoretical basis for optimal design and control.

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1677-1681

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December 2010

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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