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Modeling and Analysis of Resonance in LCL-Type Grid-Connected Inverters under Different Control Schemes

Author

Listed:
  • Yanxue Yu

    (School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China)

  • Haoyu Li

    (School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China)

  • Zhenwei Li

    (College of Automation & Electronic Engineering, Qingdao University of Science & Technology; Qingdao 266000, China)

  • Zhou Zhao

    (School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China)

Abstract

As a basic building block in power systems, the three-phase voltage-source inverter (VSI) connects the distributed energy to the grid. For the inductor-capacitor-inductor (LCL)-filter three-phase VSI, according to different current sampling position and different reference frame, there mainly exist four control schemes. Different control schemes present different impedance characteristics in their corresponding determined frequency range. To analyze the existing resonance phenomena due to the variation of grid impedances, the sequence impedance models of LCL-type grid-connected three-phase inverters under different control schemes are presented using the harmonic linearization method. The impedance-based stability analysis approach is then applied to compare the relative stability issues due to the impedance differences at some frequencies and to choose the best control scheme and the better controller parameters regulating method for the LCL-type three-phase VSI. The simulation and experiments both validate the resonance analysis results.

Suggested Citation

  • Yanxue Yu & Haoyu Li & Zhenwei Li & Zhou Zhao, 2017. "Modeling and Analysis of Resonance in LCL-Type Grid-Connected Inverters under Different Control Schemes," Energies, MDPI, vol. 10(1), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:1:p:104-:d:87944
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    Citations

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    Cited by:

    1. Meenakshi Jayaraman & Sreedevi VT, 2017. "Power Quality Improvement in a Cascaded Multilevel Inverter Interfaced Grid Connected System Using a Modified Inductive–Capacitive–Inductive Filter with Reduced Power Loss and Improved Harmonic Attenu," Energies, MDPI, vol. 10(11), pages 1-23, November.
    2. Ramy Ali & Terence O’Donnell, 2022. "Analysis and Mitigation of Harmonic Resonances in Multi–Parallel Grid–Connected Inverters: A Review," Energies, MDPI, vol. 15(15), pages 1-30, July.
    3. Seyyed Yousef Mousazadeh Mousavi & Alireza Jalilian & Mehdi Savaghebi & Josep M. Guerrero, 2017. "Flexible Compensation of Voltage and Current Unbalance and Harmonics in Microgrids," Energies, MDPI, vol. 10(10), pages 1-19, October.
    4. Min Huang & Han Li & Weimin Wu & Frede Blaabjerg, 2019. "Observer-Based Sliding Mode Control to Improve Stability of Three-Phase LCL-Filtered Grid-Connected VSIs," Energies, MDPI, vol. 12(8), pages 1-15, April.
    5. Shiying Zhou & Xudong Zou & Donghai Zhu & Li Tong & Yong Kang, 2017. "Improved Capacitor Voltage Feedforward for Three-Phase LCL-Type Grid-Connected Converter to Suppress Start-Up Inrush Current," Energies, MDPI, vol. 10(5), pages 1-19, May.
    6. Jiefeng Hu, 2017. "Predictive Direct Flux Control—A New Control Method of Voltage Source Inverters in Distributed Generation Applications," Energies, MDPI, vol. 10(4), pages 1-11, March.
    7. Chen Zheng & Qionglin Li & Lin Zhou & Bin Li & Mingxuan Mao, 2018. "The Interaction Stability Analysis of a Multi-Inverter System Containing Different Types of Inverters," Energies, MDPI, vol. 11(9), pages 1-17, August.
    8. Jose Miguel Espi & Rafael Garcia-Gil & Jaime Castello, 2017. "Capacitive Emulation for LCL-Filtered Grid-Connected Converters," Energies, MDPI, vol. 10(7), pages 1-15, July.
    9. Tomasz Popławski & Marek Kurkowski & Jarosław Mirowski, 2020. "Improving the Quality of Electricity in Installations with Mixed Lighting Fittings," Energies, MDPI, vol. 13(22), pages 1-17, November.

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