SPWM-Based Direct Digital Control With Average-Voltage Model and D–Σ Process for Paralleled 33W Grid-Connected Converters to Reduce Circulating Currents

Wu, T.-F.; Yu, Ling-Chia; Huang, Yen-Hsiang; Jhang, Ying-Yi; Zeng, Bo-Tang

doi:10.1109/tie.2018.2864713

Cited by 6 publications

(4 citation statements)

References 28 publications

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“…The performance of the benchmark design has been proved in [40], and thus, will not be repeated. The simulation results with 6 interleaved 2L converters are shown in Fig.…”

Section: Simulation Resultsmentioning

confidence: 99%

“…It implies that with a certain number of parallel converters, there is a chance that the equivalent filter impedance provided by the parallel L filter would be sufficient to suppress the harmonics within the standard limits. Although interleaving has been a popular approach in the literature, many efforts have been focused only on the circulating current control of parallel converters [36]- [40]. Thus far, only a number of studies looked into the LCL filter designs for two interleaved converters [41], [42].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Reconsideration of Grid-Friendly Low-Order Filter Enabled by Parallel Converters

Quan

Pan

et al. 2021

IEEE J. Emerg. Sel. Topics Power Electron.

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“…The performance of the benchmark design has been proved in [40], and thus, will not be repeated. The simulation results with 6 interleaved 2L converters are shown in Fig.…”

Section: Simulation Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reconsideration of Grid-Friendly Low-Order Filter Enabled by Parallel Converters

Quan

Pan

et al. 2021

IEEE J. Emerg. Sel. Topics Power Electron.

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“…Moreover, it is vital to study the system stability of multiple parallel grid‐connected inverters. Some references have studied the stability of control strategies for multiple parallel inverters [26–34]. Potential harmonic instability phenomenon is evaluated by the impedance‐based stability criterion in multi‐paralleled grid‐connected inverters [26, 27].…”

Section: Introductionmentioning

confidence: 99%

“…Some references have studied the stability of control strategies for multiple parallel inverters [26–34]. Potential harmonic instability phenomenon is evaluated by the impedance‐based stability criterion in multi‐paralleled grid‐connected inverters [26, 27]. The authors in [28, 29] analyse the stability of the multiple parallel inverters considering the influence of the phase‐locked loop (PLL).…”

Section: Introductionmentioning

confidence: 99%

Stability analysis and duty cycle limitation of grid‐connected current control strategy for multiple parallel three‐level T‐type grid‐connected inverters

Liu

Sun

Ren

et al. 2020

IET power electron.

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Multiple parallel three‐level T‐type inverters (3LT2Is) have become the trend in large‐power low‐voltage applications. In parallel operation of modular 3LT2Is, three aspects including current sharing control, circulating current suppression and neutral‐point potential (NPP) balance control should be considered. In this study, a grid‐connected current control strategy with the ability to independently adjust three control objectives is proposed for the multiple parallel three‐level T‐type grid‐connected inverters. The duty cycle limitation among current sharing, NPP balancing and circulating current and their influence are analysed in detail. The stability analysis of multi‐paralleled inverters on the basis of the single‐phase equivalent circuit is carried out considering the influence of circulating current. Experimental results prove the validity of the proposed control strategy.

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Review of Methods for Reducing Circulating Currents in Parallel Connected Modular Inverters

Choi

Lee

2023

J. Electr. Eng. Technol.

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SPWM-Based Direct Digital Control With Average-Voltage Model and D–Σ Process for Paralleled 33W Grid-Connected Converters to Reduce Circulating Currents

Cited by 6 publications

References 28 publications

Reconsideration of Grid-Friendly Low-Order Filter Enabled by Parallel Converters

Reconsideration of Grid-Friendly Low-Order Filter Enabled by Parallel Converters

Stability analysis and duty cycle limitation of grid‐connected current control strategy for multiple parallel three‐level T‐type grid‐connected inverters

Review of Methods for Reducing Circulating Currents in Parallel Connected Modular Inverters

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