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A Control Parameters Design Method With Multi-Constrains for an LCL-Filtered Grid-Connected Inverter in a Weak Grid

Fuyun Wu, Zhuang Sun, Weiji Xu, Zhizhou Li, Jianguo Lyu
2022 Frontiers in Energy Research  
First, based on the current controller and active damping with only grid current feedback, the effects of control parameters and grid impedance on the LCL resonant suppression and the performance of the  ...  Under weak grid conditions, the variation of the grid impedance will affect the steady-state and dynamic performance of the LCL-filtered grid-connected inverter and even make the inverter unstable.  ...  A Self-Commissioning Notch Filter for Active Damping in a Three-phase LCL -Filter-Based Grid-Tie Converter. IEEE Trans.  ... 
doi:10.3389/fenrg.2021.798793 fatcat:m2lezx5tynaj7mastzrzsxvwha

Hybrid active damping of LCL-filtered grid connected converter

Abdelhady Ghanem, Mohamed Rashed, Mark Sumner, Mohamed Adel Elsayes, I. I. I. Mansy
2016 2016 IEEE 2nd Annual Southern Power Electronics Conference (SPEC)  
A method for hybrid active damping in power converters connected to a weak grid using an LCL filter is proposed.  ...  It uses feedback of the grid current and capacitor voltage and is derived as an equivalent to the capacitor current feedback active damping method.  ...  CONCLUSIONS A hybrid active damping method for LCL-filtered grid connected converters has been presented operating under weak grid conditions.  ... 
doi:10.1109/spec.2016.7846193 fatcat:usitqbilyvafblxygxgjw2okny

The PWM rectifier with LCL filter direct power control based on power damping feedback

Bo Fan, Qianqian Zhang, Zhengxin Zhao, Shuaihui Gu
2021 Journal of Vibroengineering  
For the resonance problem of the LCL filter, a direct power control strategy of the LCL PWM rectifier based on power damping feedback is proposed.  ...  Based on the topology and mathematical model of the three-phase voltage source PWM rectifier with LCL filter, the resonance produced by the LCL filter and the design method of filter parameters is analyzed  ...  DPC active power and reactive power based on power damping feedback THE PWM RECTIFIER WITH LCL FILTER DIRECT POWER CONTROL BASED ON POWER DAMPING FEEDBACK.  ... 
doi:10.21595/jve.2021.21636 fatcat:i3vwiud5sjbt5bpocsyfw6hocy

Systematic Design of the Lead-Lag Network Method for Active Damping in LCL-Filter Based Three Phase Converters

Rafael Pena-Alzola, Marco Liserre, Frede Blaabjerg, Rafael Sebastian, Jorg Dannehl, Friedrich Wilhelm Fuchs
2014 IEEE Transactions on Industrial Informatics  
To adopt an LCL-filter, instead of an L-filter, allows using reduced values for the inductances and so preserving dynamics.  ...  The rationale of this procedure, based on the capacitor current feedback, is elucidated. Stability is studied by means of the root locus analysis in z-plane.  ...  T Systematic Design of the Lead-lag Network Method for Active Damping in LCL-Filter Based Three Phase Converters The active damping method of the lead-lag network was initially proposed in [12] .  ... 
doi:10.1109/tii.2013.2263506 fatcat:ljg5emjiejhsnceu7mqxi6ddt4

A Passivity-based Stability Analysis of the Active Damping Technique in the Offshore Wind Farm Application

Hsin-Chih Chen, Po-Tai Cheng, Xiongfei Wang, Frede Blaabjerg
2018 IEEE transactions on industry applications  
Therefore, an active damping technique based on the virtual resistor is provided in this paper for the LCL-filter system.  ...  The LCL-based filter has been widely applied to mitigate the size of the inductor in the high power converter, but it usually leads to resonance in the system.  ...  The control block diagram of the previous filter-based active damping.  ... 
doi:10.1109/tia.2018.2853044 fatcat:2e66qgraanhp3ipa2nla43q3re

Analysis and Comparison of Notch Filter and Capacitor Voltage Feedforward Active Damping Techniques for LCL Grid-Connected Converters

Enrique Rodriguez-Diaz, Francisco D. Freijedo, Juan Vasquez, Josep M. Guerrero
2018 IEEE transactions on power electronics  
This paper analyses the robustness of the closedloop dynamics when different active damping techniques are implemented.  ...  Alternatively, active damping strategies, where the resonance damping is provided by the current controller, are of major interest.  ...  Therefore, this implementation is also considered in the analysis, as shown in Section III-A. 2) Notch Filter: For active damping actions based on cascaded filters, notch filter provide higher robustness  ... 
doi:10.1109/tpel.2018.2856634 fatcat:nh55q7jejbdttkauqytzfavasi

New controller design for PMSG based wind generator with LCL-filter considered

Marwan Rosyadi, S. M. Muyeen, Rion Takahashi, Junji Tamura
2012 2012 XXth International Conference on Electrical Machines  
In this paper design and analysis of the grid side converter controller for Permanent Magnet Synchronous Generator (PMSG) based variable speed wind generator connected to a grid through LCL filter are  ...  The proposed method has been implemented on the grid side controller design for 2.5 MW PMSG based variable speed wind generator.  ...  Design and analysis of the grid side current controlled voltage source converter is focused, in which passive damping resistance of the filter and gains of PI controllers of VSC are selected based on frequency  ... 
doi:10.1109/icelmach.2012.6350174 fatcat:dwbqvqmetrdthmoizrl3chwioq

Design and Control of an LCL-Filter-Based Three-Phase Active Rectifier

M. Liserre, F. Blaabjerg, S. Hansen
2005 IEEE transactions on industry applications  
This paper proposes a step-by-step procedure for designing the LCL filter of a front-end three-phase active rectifier.  ...  The experimental results demonstrate the performance of the design procedure both for the LCL filter and for the rectifier controller.  ...  This paper presents a design procedure for an LCL filter together with consideration of the control of an active rectifier employing an LCL filter using proportional-plus-integral (PI)based control strategies  ... 
doi:10.1109/tia.2005.853373 fatcat:cmhchdmxebdd5foqjqo2xhstly

Analysis and Design of a Passively Damping LCL Filter in Three-Phase Converters

TADOUMGANG Francois Xavier, QIN Wenping
2019 International Journal of Advanced Engineering Research and Science  
The LCL filter transfer functions of line side current and inverter input voltage in a grid-connected mode ofoperation with series and parallel damping resistance are given in equations (11) and (12) respectively  ...  Keywords-Ractive power, active power, passively damping, LCL filter, RC branch. I. INTRODUCTION The problem of harmonic pollution has become more and more worrying in recent decades.  ...  Opti mized design of LCL filter for minimal damping power loss[J]. Julean, A. (2009). Active damping of LCL filter resonance in grid connected applications.  ... 
doi:10.22161/ijaers.611.10 fatcat:ickrtgsg4bfillnaiaburiupju

Stability Analysis of Three-Phase PWM Converter with LCL Filter by Means of Nonlinear Model

Božo Terzić, Goran Majić, Alojz Slutej
2010 Automatika  
In this paper the stability problem of the three phase PWM converters with LCL filter without additional passive or active damping is analyzed.  ...  The analysis is performed using two theoretical methods, the discrete z-domain root locus technique and the nonlinear model simulation.  ...  Stability Analysis by Means of Nonlinear Model Stability analysis shown in previous subsection is based on the linear model of the LCL filter.  ... 
doi:10.1080/00051144.2010.11828376 fatcat:rm4zgntix5fbpnbt4fl365wspi

Investigation of Active Damping Approaches for PI-Based Current Control of Grid-Connected Pulse Width Modulation Converters With LCL Filters

Jörg Dannehl, Friedrich Wilhelm Fuchs, Steffan Hansen, Paul Bach Thøgersen
2010 IEEE transactions on industry applications  
This paper deals with various active damping approaches for PI-based current control of grid-connected pulsewidth-modulation (PWM) converters with LCL filters, which are based on one additional feedback  ...  Filter capacitor current, as well as voltage feedback for the purpose of resonance damping, are analyzed and compared.  ...  Fig. 1 . 1 Grid-connected PWM converter with LCL filter. Fig. 2 . 2 Cascaded control structure including resonance damping based on additional feedback.  ... 
doi:10.1109/tia.2010.2049974 fatcat:hel26fivjndf5am54oi7eezbfa

The undamped control for PWM rectifier based on LCL filter

Bo Fan, Lu Song, Shuzhong Song, Jiangtao Fu
2018 Journal of Vibroengineering  
With analysis on the theory and characters of the fixed switching frequency control strategy, an undamped control strategy of three-phase voltage PWM rectifier based on LCL filtering is proposed for the  ...  The simulation results show that this method has better dynamic performance, the current harmonic of grid side has reduced sharply, and the resonance of LCL filter has been inhibited effectively.  ...  Acknowledgements This work is supported by the National Natural Science Foundation of China (U1404512 and 61473115) and the Project of Luoyang Science and Technology Development Plan (1401017A).  ... 
doi:10.21595/jve.2017.18874 fatcat:fo7stuylnrdjhmm5msh5zxep7u

Observer-Based Sliding Mode Control to Improve Stability of Three-Phase LCL-Filtered Grid-Connected VSIs

Min Huang, Han Li, Weimin Wu, Frede Blaabjerg
2019 Energies  
Among them, sliding mode control has been applied to LCL-filtered grid-connected VSIs for its fast, dynamic response and strong robustness.  ...  In this paper, a design of observer-based sliding mode control to improve the stability of three-phase LCL-filtered grid-connected VSIs was proposed.  ...  Conflicts of Interest: The authors declare no conflicts of interest.  ... 
doi:10.3390/en12081421 fatcat:qiqlmnlnsfaflib3mkbtqslj2q

An Improved Dynamic Control and Resonance Damping for Voltage Source Inverters in Microgrids Through a Novel Active Damping Technique

Wei Zhang, Girmaw Teshager Bitew, Dehua Zheng, Solomon Netsanet Alemu, Dan Wei, Xun Zhang
2022 American Journal of Electrical Power and Energy Systems  
This paper proposes a novel technique of Active Damping Algorithm (ADA) for resonance damping and improving the dynamic stability of a microgrid composed of multiple converter-interfaced DERs.  ...  The proposed active damping method is based on output current feedback with automatically calculated and adjusted damping coefficients to suppress resonance.  ...  ., Ltd. for supporting this work with funding, materials, and experiments.  ... 
doi:10.11648/j.epes.20221101.12 fatcat:w6xic6lbkzeoxf267cgjxwfo24

A root-locus design methodology derived from the impedance stability criterion and its application for LCL grid-connected converters

Enrique Rodriguez-Diaz, Francisco D. Freijedo, Mohammad S. Golsorkhi, Juan C. Vasquez, Josep M. Guerrero
2016 2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe)  
This paper presents a systematic methodology for design and tuning of the controller of LCL gridconnected converters.  ...  For practical development, the control objectives are linked to main requirements in wind turbine applications: 1) the current control time constant should be minimized and 2) active damping actions should  ...  Conclusions This paper contributes an original methodology for systematic design and analysis of current controllers with active damping for LCL grid-connected VSCs.  ... 
doi:10.1109/epe.2016.7695473 fatcat:c2ro7ehsejalnet2vtvtmd3qpa
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