Single-Source Hybrid Boost Multilevel Inverter Topology with Zero-Voltage-Switching Operation

This paper proposes a single-source boost multilevel inverter topology with inherent voltage balancing feature. The proposed topology is synthesized by a combination of the conventional boost converter and diode-capacitor voltage multiplier circuit (VMC). The diode-capacitor VMC is capable to solve...

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Bibliographic Details
Published in2019 International Conference on Power Electronics, Control and Automation (ICPECA) pp. 1 - 6
Main Authors Priyadarshi, Anurag, Kar, Pratik Kumar, Karanki, Srinivas Bhaskar
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2019
Subjects
hybrid multilevel inverter
self-balanced
single source
VMC
zero-voltage-switching
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Summary:This paper proposes a single-source boost multilevel inverter topology with inherent voltage balancing feature. The proposed topology is synthesized by a combination of the conventional boost converter and diode-capacitor voltage multiplier circuit (VMC). The diode-capacitor VMC is capable to solve the capacitor voltage balancing problem and step-up the input voltage to the required level of dc link voltage. The proposed converter can provide variable fractional voltage gain, which is a key requirement to achieve the maximum power point (MPP) in a photovoltaic application. Zero-voltage-switching is achieved for the high-frequency switch, which mitigates switching losses. A hardware prototype of the proposed seven-level inverter is developed and the results obtained from the experimental prototype are demonstrated to validate the performance of the proposed converter.
DOI:10.1109/ICPECA47973.2019.8975389