Hybrid Multilevel Inverter Using Switched Capacitor Units
Abstract
In this paper, two new topologies are proposed for multilevel inverters. The proposed topologies consist of a combination of the conventional series and the switched capacitor inverter units. The proposed topologies reduce the number of switches and isolated dc voltage sources, the variety of the dc voltage source values, and the size and cost of the system in comparison with the conventional topologies. In addition, the proposed topologies can double the input voltage without a transformer. There is no need for complicated methods to balance the capacitor voltage. The simulation and experimental results of single-phase 25- and 17-level inverters are given to prove the correct operation of the proposed topologies.
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- Authors
- Babaei, E., & Gowgani, S. S.
- Affiliations
- University of Tabriz (IR)
- ORCID
- Babaei, Ebrahim
- Venue
- IEEE Transactions on Industrial Electronics
- Published
- 2014-09
- Volume
- 61
- Issue
- 9
- Pages
- 4614-4621
- ISSN
- 0278-0046 (ISSN-L)
- 1557-9948
- OpenAlex
- W1988689872
- Cited by
- 498
- References
- 24
- Citations by year
- 2026: 10 · 2025: 24 · 2024: 56 · 2023: 57 · 2022: 60 · 2021: 58 · 2020: 72 · 2019: 54 · 2018: 32 · 2017: 33 · 2016: 23 · 2015: 14 · 2014: 5
- FWCI
- 13.28
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Industrial Electronics (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
- Physical Sciences › Engineering › Electrical and Electronic Engineering › HVDC Systems and Fault Protection
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
- Keywords
- multilevel inverter, hybrid inverter topology, series-connected inverters, transformerless inverter, capacitor voltage balancing, reduced switch count, single-phase inverter, 17-level inverter
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