Robust Stability Analysis of Grid-Connected Converters Based on Parameter-Dependent Lyapunov Functions
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Control, Automation and Electrical Systems"
DOI: 10.1007/s40313-017-0301-7
Abstract: This paper deals with the problem of robust stability analysis of grid-connected converters with LCL filters controlled through a digital signal processor and subject to uncertain grid inductance. To model the uncertain continuous-time plant and… read more here.
Keywords: connected converters; robust stability; stability analysis; grid connected ... See more keywords
Design Procedure Combining Linear Matrix Inequalities and Genetic Algorithm for Robust Control of Grid-Connected Converters
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2019.2959604
Abstract: This article proposes a design procedure for $\mathcal {H}_{\infty }$ current controllers suitable for application in grid-connected converters (GCCs) subject to disturbances and uncertain parameters. Linear matrix inequalities provide robust state feedback controllers from a… read more here.
Keywords: tex math; design procedure; control; inline formula ... See more keywords
Current Sharing Based on Incremental Passivity and Unknown Load Finite-Time Estimation for Multilevel Connected DC–DC Converters
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3053883
Abstract: The multilevel connected dc–dc converters system is considered a practical technology to increase the capacity and reduce voltage and current stresses on the power devices. In practice, mismatched parameters are inevitable, which increase the challenge… read more here.
Keywords: multilevel connected; passivity; connected converters; control ... See more keywords
Extended Harmonic Resonance Analysis of Grid-Connected Converters Considering the Frequency Coupling Effect
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3112991
Abstract: Existing studies about the harmonic analysis of grid-connected converters (GCCs) mainly focus on the frequency range below Nyquist sampling frequency (NSF) or switching frequency (SF) to make full use of linearization. However, in some actual… read more here.
Keywords: analysis grid; frequency; connected converters; effect ... See more keywords
A Novel Decoupling Control Approach for Improving Dynamic Performance and Stability of Multiple Grid-Connected Converters
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3116556
Abstract: The control plant model of multiple grid-connected converters is a multivariable coupling model. There is complex coupling interaction between the control loops of the multiple converters, resulting in poor current control quality or interaction oscillation… read more here.
Keywords: connected converters; control; multiple grid; difference ... See more keywords
Capacitor-Voltage Feedforward With Full Delay Compensation to Improve Weak Grids Adaptability of LCL-Filtered Grid-Connected Converters for Distributed Generation Systems
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2017.2665483
Abstract: LCL-filtered grid-connected converters are widely used for distributed generation systems. However, the current regulation of such converters is susceptible to weak grid conditions, e.g., grid impedance variation and background harmonics. Paralleling multiple harmonic compensators (HCs)… read more here.
Keywords: connected converters; control; grid connected; filtered grid ... See more keywords
AC Grid Emulations for Advanced Testing of Grid-Connected Converters—An Overview
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3011176
Abstract: High penetration of distributed generations and active loads have enabled the power electronics converter to become a vital component in the modern power grid system, and the broad employment of grid-connected converters at various power… read more here.
Keywords: grid connected; grid emulation; connected converters; power ... See more keywords
Domain of Attraction`s Estimation for Grid Connected Converters with Phase-Locked Loop
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Systems"
DOI: 10.1109/tpwrs.2021.3098960
Abstract: A large number of non-linear hardware and control units exists in power electronic system used in grid connected devices. The analytical transient stability analysis of grid-connected converters presents numerous difficulties. A common method to tackle… read more here.
Keywords: domain attraction; grid connected; stability; connected converters ... See more keywords
Operation of Parallel-Connected DC–DC Converters
Sign Up to like & getrecommendations! Published in 2020 at "Instruments and Experimental Techniques"
DOI: 10.1134/s0020441220020141
Abstract: Abstract The possibility of reducing the rated power of filter capacitors, i.e., the ratio of the product of the effective values of the voltage and current of a capacitor to the power of the DC–DC… read more here.
Keywords: connected converters; parallel connected; operation parallel; power ... See more keywords
Grid-Connected Converters: A Brief Survey of Topologies, Output Filters, Current Control, and Weak Grids Operation
Sign Up to like & getrecommendations! Published in 2023 at "Energies"
DOI: 10.3390/en16093611
Abstract: Grid-connected converters (GCCs) are used extensively for the integration of DC power sources with AC power sources. However, since it is a complex topic, there are many possibilities for regulating grid-injected currents, as well as… read more here.
Keywords: connected converters; weak grids; control; topologies output ... See more keywords