Modulation and control of transformerless boosting inverters for three-phase photovoltaic systems: comprehensive analysis
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-93902-9
Abstract: This paper examines the performance of three power converter configurations for three-phase transformerless photovoltaic systems. This first configuration consists of a two-stage DC–DC–AC converter comprised of a DC–DC boost chopper and a three-phase voltage source… read more here.
Keywords: three phase; analysis; photovoltaic systems; transformerless ... See more keywords
A 5LCHB Inverter for PV Transformerless Applications With Reduced Leakage Ground Current
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3219732
Abstract: Transformerless inverters for photovoltaic systems are widely used as it features low cost, volume, and weight. Thus, in recent years, its study has been of great interest to the research community. In this paper a… read more here.
Keywords: ground current; leakage ground; output; transformerless ... See more keywords
A New Single Stage Common Ground Five-Switch Boosting Transformerless Inverter
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2024.3462768
Abstract: Transformerless inverters (TIs) are widely employed in photovoltaic (PV) applications due to their cost-effectiveness, compact size, low weight, and high efficiency. However, the absence of electrical isolation can result in ground leakage current due to… read more here.
Keywords: proposed topology; ground; topology; new single ... See more keywords
Common Mode Voltage Reduction in a Single-Phase Quasi Z-Source Inverter for Transformerless Grid-Connected Solar PV Applications
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2018.2867521
Abstract: The quasi-Z-source inverter (qZSI) is becoming a popular inverter topology that can buck or boost input voltage without a dc–dc converter and hence can be used in transformerless configuration. Due to its single-stage conversion, the… read more here.
Keywords: transformerless; voltage; common mode; topology ... See more keywords
A High-Voltage Gain Transformerless Grid-Connected Inverter
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2024.3356502
Abstract: Transformerless inverters are used in small and medium power photovoltaic grid-connected systems due to small-size, low-cost and high-efficiency. Transformerless inverters have problems of leakage current and low-voltage gain in applications due to the lack of… read more here.
Keywords: voltage; voltage gain; transformerless; grid connected ... See more keywords
Three-Phase Four-Wire Transformerless Unified Power Quality Conditioner Based on AC-DC-AC Nine-Leg Converter and Shunt Converter
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2024.3469870
Abstract: In this paper, a three-phase transformerless unified power quality conditioner (UPQC) based on a nine-leg converter and a four-wire shunt converter is proposed and investigated. The system ensures grid power factor compensation with low harmonic… read more here.
Keywords: nine leg; shunt converter; transformerless; leg converter ... See more keywords
A Single-Phase Common-Ground Five-Level Transformerless Inverter with Low Component Count for PV Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3161825
Abstract: Multilevel inverters (MLIs) featuring reactive power ability and common-ground (CG) become much popular in transformerless grid-tied photovoltaic (PV) applications. A switched-capacitor (SC) based five-level transformerless inverter configuration is thus proposed in this paper, which requires… read more here.
Keywords: common ground; voltage; five level; transformerless ... See more keywords
An Advanced Modulation Technique for Transformerless Grid Connected Inverter Circuits Used in Solar Photovoltaic Systems
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3177805
Abstract: This article presents a new current peak point tracking third harmonic injected bus clamping pulsewidth modulation (CPPTTHBCPWM) technique for effective active and reactive power control in a transformerless H5 solar photovoltaic inverter. The proposed technique… read more here.
Keywords: modulation technique; modulation; advanced modulation; transformerless ... See more keywords
Coupled-Inductor-Based DC Current Measurement Technique for Transformerless Grid-Tied Inverters
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2017.2712197
Abstract: Grid-tied photovoltaic inverters must fulfill several requirements, including high efficiency and reduced cost and complexity of the overall system. Hence, transformerless operation is advantageous in order to achieve the prior requirements. Meanwhile, such operation results… read more here.
Keywords: technique; transformerless; transformerless grid; grid tied ... See more keywords
Dual Mode 1-$\phi$ Transformerless Inverter With Common Ground Configuration for PV Application
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2025.3560122
Abstract: Transformerless inverters (TLIs) are widely accepted for their advantages, such as compact configuration, highly efficient performance, and smaller size. Most of the TLIs in the literature either work on a buck or boost mode of… read more here.
Keywords: configuration; dual mode; inverter; mode ... See more keywords