Two Types of Asymmetric Switched-Capacitor Five-Level Single-Phase DC-AC Inverters for Renewable Energy Applications

Two types of asymmetric switched-capacitor five-level single-phase DC-AC inverters are presented based on the clamping half-bridge circuit and the output half-bridge circuit. Furthermore, the switches of the two proposed circuits can be driven by half-bridge gate drivers and can be modularized. More...

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Bibliographic Details
Published inEnergies (Basel) Vol. 17; no. 5; p. 983
Main Authors Shieh, Jenn-Jong, Hwu, Kuo-Ing, Chen, Sheng-Ju
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.03.2024
Subjects
Alternative energy sources
asymmetric
Capacitors
Circuit components
Circuits
DC-AC inverter
Efficiency
Electric inverters
Electric power production
Electricity distribution
Electronic components industry
Energy industry
Energy management systems
Energy resources
Energy storage
five-level
Force and energy
Fuel cells
Green market
modularization
Principles
Renewable resources
single-phase
Solar energy
switched-capacitor
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Summary:Two types of asymmetric switched-capacitor five-level single-phase DC-AC inverters are presented based on the clamping half-bridge circuit and the output half-bridge circuit. Furthermore, the switches of the two proposed circuits can be driven by half-bridge gate drivers and can be modularized. Moreover, the detailed analysis of the operation principle, design of clamping capacitor and output filter of these two inverters are presented. Finally, the feasibility and validity of the proposed structures are verified by PSIM-simulated results and experimental results using FPGA as the control kernel, respectively.
ISSN:1996-1073
1996-1073
DOI:10.3390/en17050983