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Multisource Switched Capacitor Based Boost Multilevel Inverter for Photovoltaic-Based Systems
Published in Institute of Electrical and Electronics Engineers Inc.
Volume: 35
Issue: 3
Pages: 2558 - 2570
In this paper, a multisource switched capacitor based boost multilevel inverter is proposed. The proposed topology features less number of components, high gain, self-charging capability of capacitors, reduced size of filter components. The modes of operation of the proposed converter and design guidelines of converter components are discussed. A comprehensive comparative study of the proposed converter topology with the topologies in the literature is given. Analytical expression for capacitor energy utilization (CEU) factor for the proposed topology is derived and the feasibility of the proposed converter with respect to CEU for the designed power rating is verified. The analytical performance of the proposed converter topology is verified through simulation studies. The common mode voltage and leakage current in the proposed topology are analyzed. Experimental prototype of the proposed converter topology with two sources and two capacitors for power rating of 500 W is developed and tested with resistive, inductive, and nonlinear loads. The experimental and simulated results are in close agreement with the analytical steady-state performance of the proposed converter. © 1986-2012 IEEE.
About the journal
JournalData powered by TypesetIEEE Transactions on Power Electronics
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
Open AccessNo
Concepts (12)
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    Energy utilization
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    Analytical expressions
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    Analytical performance
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    Converter topologies
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    Multilevel inverter
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    Steady state performance
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    Switched capacitor
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    Electric inverters