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Title: Generation of a family of very high DC gain power electronics circuits based on switched-capacitor-inductor cells starting from a simple graph
Authors: Chen, M
Li, K
Hu, JF 
Ioinovici, A
Keywords: Converters state-space analysis
High DC gain
Non-isolated converters
Switched-capacitor-inductor cell
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on circuits and systems. I, Regular papers, 2016, v. 63, no. 12, 7605464, p. 2381-2392 How to cite?
Journal: IEEE transactions on circuits and systems. I, Regular papers 
Abstract: A simple graph with four nodes and eleven branches is defined. Its branches are filled in different ways with passive elements (capacitors, inductors, diodes) or replaced by shortcircuits in order to get potential voltage step-up switching cells. These cells are inserted in boost converter, obtaining thus non-isolated power electronics circuits with a very high dc gain. Such circuits are necessary today in the green energy systems. The proposed circuits feature a lower voltage stress on its semiconductors (both switch and diodes) than that on the equivalent devices of a boost stage. A state-space-based dc and ac analysis allows for deriving the dc gain, the switches voltage and current stresses, and the frequency characteristics of the obtained converters. The steady-state analysis is performed for both the continuous and discontinuous conduction mode operations. The converters belonging to the new family are compared between them and then compared with available solutions of similar complexity as defined by the component count. Simulation and experimental results confirm the theoretical equations.
ISSN: 1549-8328
EISSN: 1558-0806
DOI: 10.1109/TCSI.2016.2606124
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