A Comparative Analysis on a Single-Phase Inverter With a Reduced Component Count Power Decoupling Circuit

Musona, Ronald; Șerban, I.

doi:10.1109/pemc51159.2022.9962863

Cited by 5 publications

(3 citation statements)

References 9 publications

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“…Based on the results presented in this paper, the authors have started to extend their study to optimise the solution according to the specific operating conditions of a PV system. Recent results obtained by the authors in [5] show that, by optimizing the output filter, the proposed inverter efficiency can be further improved. Fig.…”

Section: Resultsmentioning

confidence: 99%

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Comparative Efficiency Analysis between a Conventional Single-Phase Inverter and an Inverter with a Minimalist Active Power Decoupling Circuit

Musona

Șerban

2022

ENS

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This paper focuses on a comparative analysis between the conventional single-phase H-bridge inverter and an inverter implementing a minimalist active power decoupling method, which is used to eliminate the power ripple of twice the fundamental frequency at the DC link. This method allows minimising the need for large electrolytic DC link capacitors, with only two smaller film capacitors being required on the hardware side. The implemented 1 kW inverter makes use of silicon carbide (SiC) MOSFETs, offering the main advantage of high switching frequencies, reduced size, and improved efficiency. The performance analysis, including switching and conduction losses and the inverter efficiency, is done through the results obtained from simulations and experiments.

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Section: Resultsmentioning

confidence: 99%

“…The other parameters are listed in Table 1. The inverter efficiency was calculated from the simulation and experimental results as shown in (5):…”

Section: Experimental Validationmentioning

confidence: 99%

Comparative Efficiency Analysis between a Conventional Single-Phase Inverter and an Inverter with a Minimalist Active Power Decoupling Circuit

Musona

Șerban

2022

ENS

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“…As the above analysis was based on a simplified calculation procedure, the conventional and DBU topologies were further investigated using computer simulations and experiments based on the procedure described in [55]. The main parameters used in both the simulation and the experiment are listed in Table 7.…”

Section: B Losses Analysismentioning

confidence: 99%

Differential Single-Phase Inverters With Active Power Decoupling: A Survey

Musona

Șerban

2023

IEEE Access

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This paper provides an overview of differential single-phase inverter topologies with active power decoupling (APD) and their main control techniques. Owing to the advantage of achieving APD without additional semiconductor devices, thus boosting inverter reliability at a minimum cost, these topologies have gained increasing interest, especially for small-scale photovoltaic applications. Therefore, in this study, we consider it essential to synthesize the main differential single-phase inverters, their operating principles, and provide a unified mathematical description for each topology. The study identified and analyzed three main structures: buck, boost, buck-boost, and derived topologies. First, a comparative analysis, including a hardware assessment in terms of the DC-link voltage requirements, voltage and current stresses on the switches, and losses, shows the performance of various inverter topologies under different operating parameters (e.g., input voltage and decoupling capacitance). Second, this paper discusses the main control strategies applied to this class of inverters to achieve both primary control (autonomous or gridconnected operation) and APD functions, while highlighting the development of control algorithms that are less dependent on parameter variations and more robust to external disturbances. Finally, the need for further research on reliability improvement in single-phase differential inverters, particularly in the context of emerging technologies, such as high-speed switches (e.g., wide-bandgap semiconductors) and advanced control techniques, is emphasized.

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A Comparative Performance Analysis Between the Buck and Boost Differential Single-Phase Inverters with Active Power Decoupling

Musona,

Serban

2023

2023 International Aegean Conference on Electrical Machines and Power Electronics (ACEMP) &Amp; 2023 International Conference O

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A Comparative Analysis on a Single-Phase Inverter With a Reduced Component Count Power Decoupling Circuit

Cited by 5 publications

References 9 publications

Comparative Efficiency Analysis between a Conventional Single-Phase Inverter and an Inverter with a Minimalist Active Power Decoupling Circuit

Comparative Efficiency Analysis between a Conventional Single-Phase Inverter and an Inverter with a Minimalist Active Power Decoupling Circuit

Differential Single-Phase Inverters With Active Power Decoupling: A Survey

A Comparative Performance Analysis Between the Buck and Boost Differential Single-Phase Inverters with Active Power Decoupling

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