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A Novel Single-Stage Common-Ground Transformerless Buck–Boost Inverter [PDF]

open access: yesElectronics, 2022
In this article, a novel single-stage transformerless buck–boost inverter is introduced. The proposed inverter can share a common ground between the DC input side and the grid; this leads to having a zero-leakage current. The proposed inverter also provides the buck and boost voltage capabilities.
Young-Cheol Lim   +2 more
exaly   +3 more sources

A Novel Common-Ground-Type Nine-Level Dynamic Boost Inverter [PDF]

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2022
Recently, inverters with a common ac and dc ground are gaining significant interest due to their zero common-mode voltage that made them particularly attractive for the solar photovoltaic application.
Frede Blaabjerg   +2 more
exaly   +3 more sources

Transformer-less Common-Ground Inverter With Reduced Components

2020 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2020
This paper a proposes a five-level transformer-less inverter based on common-ground-type topology is presented. In the common-ground-type utility neutral is directly tied with negative terminal of dc source, leads to the short-circuiting of PV-to-ground parasitic capacitance.
Sangeeta Kumari   +4 more
openaire   +1 more source

A Common Ground Five-Level Inverter Using Switched Capacitor

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, 2019
This paper proposes a common ground five-level inverter using switched capacitor. The main features of the proposed inverter are the common ground structure, multilevel output, and step-up input voltage. Because of the common ground structure, it can eliminate leakage current.
Hirotaka Koizumi
exaly   +3 more sources

Multilevel Common-Ground Transformerless Inverter for Photovoltaic Applications

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
Transformerless inverters have attracted great attention since they became a compact and economic solution for photovoltaic (PV) generation systems. On the other hand, the common-mode (CM) leakage current issue needs to be addressed in order to meet safety requirements.
openaire   +1 more source

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