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Impedance Modelling and Parametric Sensitivity of a VSC-HVDC System: New Insights on Resonances and Interactions

Author

Listed:
  • Adedotun J. Agbemuko

    (Electrical Power Systems Area, Catalonia Institute for Energy Research, 08930 Barcelona, Spain)

  • José Luis Domínguez-García

    (Electrical Power Systems Area, Catalonia Institute for Energy Research, 08930 Barcelona, Spain)

  • Eduardo Prieto-Araujo

    (CITCEA-UPC, Department of Electrical Engineering, Polytechnic University of Catalonia (UPC), 08028 Barcelona, Spain)

  • Oriol Gomis-Bellmunt

    (CITCEA-UPC, Department of Electrical Engineering, Polytechnic University of Catalonia (UPC), 08028 Barcelona, Spain)

Abstract

Pervasiveness of power converters in the electric power system is expected in the future. Such large penetration will change the current power system dynamics leading to uncertain, unexpected, and potentially critical responses. This paper investigates the stability and resonance of a VSC-HVDC (Voltage Source Converter High Voltage Direct Current) link within an AC grid, whilst providing insights into resonances having a role on the grid. This is studied through the impedance-based modelling of the entire system (AC and DC grids), including controls of converters. Additionally, the impact of the different parameters of the hybrid AC-DC power system such as control systems and grid components on the system dynamics and stability is investigated. From this study, the impact of the system components and the controls of the converter on overall resonance response and stability is shown, including potential undesired sub-synchronous and harmonic resonances due to AC-DC system interactions. The analytical impedance-based models developed and obtained is validated through time-domain simulations, the physical model of the whole system is built in Simscape ™ Power Systems ™ and control systems in MATLAB/Simulink ® (R2017b). This has demonstrated the validity of the model to deal with and detect such dynamics.

Suggested Citation

  • Adedotun J. Agbemuko & José Luis Domínguez-García & Eduardo Prieto-Araujo & Oriol Gomis-Bellmunt, 2018. "Impedance Modelling and Parametric Sensitivity of a VSC-HVDC System: New Insights on Resonances and Interactions," Energies, MDPI, vol. 11(4), pages 1-24, April.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:4:p:845-:d:139599
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    References listed on IDEAS

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    1. Youngho Cho & Kyeon Hur & Yong Cheol Kang & Eduard Muljadi, 2017. "Impedance-Based Stability Analysis in Grid Interconnection Impact Study Owing to the Increased Adoption of Converter-Interfaced Generators," Energies, MDPI, vol. 10(9), pages 1-17, September.
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    Cited by:

    1. Yaqiong Li & Zhanfeng Deng & Tongxun Wang & Guoliang Zhao & Shengjun Zhou, 2018. "Coupled Harmonic Admittance Identification Based on Least Square Estimation," Energies, MDPI, vol. 11(10), pages 1-15, September.
    2. Gonzalo Abad & Aitor Laka & Gabriel Saavedra & Jon Andoni Barrena, 2018. "Analytical Modeling Approach to Study Harmonic Mitigation in AC Grids with Active Impedance at Selective Frequencies," Energies, MDPI, vol. 11(6), pages 1-31, May.
    3. Efrain Mendez & Alexandro Ortiz & Pedro Ponce & Israel Macias & David Balderas & Arturo Molina, 2020. "Improved MPPT Algorithm for Photovoltaic Systems Based on the Earthquake Optimization Algorithm," Energies, MDPI, vol. 13(12), pages 1-24, June.
    4. Teuvo Suntio & Tuomas Messo & Matias Berg & Henrik Alenius & Tommi Reinikka & Roni Luhtala & Kai Zenger, 2019. "Impedance-Based Interactions in Grid-Tied Three-Phase Inverters in Renewable Energy Applications," Energies, MDPI, vol. 12(3), pages 1-31, January.

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