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Impact of Asynchronous Renewable Generation Infeed on Grid Frequency: Analysis Based on Synchrophasor Measurements

Author

Listed:
  • Evangelia Xypolytou

    (Institute of Telecommunications, TU Wien, Gusshausstrasse 25, 1040 Vienna, Austria)

  • Wolfgang Gawlik

    (Institute of Energy Systems and Electrical Drives, TU Wien, Gusshausstrasse 25, 1040 Vienna, Austria)

  • Tanja Zseby

    (Institute of Telecommunications, TU Wien, Gusshausstrasse 25, 1040 Vienna, Austria)

  • Joachim Fabini

    (Institute of Telecommunications, TU Wien, Gusshausstrasse 25, 1040 Vienna, Austria)

Abstract

The increasing power in-feed of Non-Synchronous Renewable Energy Sources (NS-RES) in the grid has raised concerns about the frequency stability. The volatile RES power output and absence of inertia in many types of NS-RES affect the balance between power consumption and production. Therefore, the dynamics of the power grid frequency become more complex. Extreme grid frequency deviations and fast variations can lead to partitioning and load shedding in the case of under-frequency. In the case of over-frequency, it can lead to overloading, voltage collapse and blackouts. The Rate of Change of Frequency (RoCoF) reflects an aspect of the stability status of the grid and therefore its analysis with regard to Non-Synchronous Instant Penetration (NSIP) is of great importance. In this work, two months of high-resolution frequency synchrophasor measurements during 18 January 2018–18 March 2018 recorded in Austria were analyzed to investigate the impact of NS-RES on the frequency. The correlation of RoCoF with the NSIP in Austria and Germany and with the frequency deviation were examined. It was observed that with a maximum NSIP share up to 74 % of the total power generation in these two countries, there was no critical increase of RoCoF or abnormal frequency deviation in the power grid.

Suggested Citation

  • Evangelia Xypolytou & Wolfgang Gawlik & Tanja Zseby & Joachim Fabini, 2018. "Impact of Asynchronous Renewable Generation Infeed on Grid Frequency: Analysis Based on Synchrophasor Measurements," Sustainability, MDPI, vol. 10(5), pages 1-10, May.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:5:p:1605-:d:146819
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    Citations

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    Cited by:

    1. Mararakanye, Ndamulelo & Bekker, Bernard, 2019. "Renewable energy integration impacts within the context of generator type, penetration level and grid characteristics," Renewable and Sustainable Energy Reviews, Elsevier, vol. 108(C), pages 441-451.
    2. Sohail Sarwar & Hazlie Mokhlis & Mohamadariff Othman & Munir Azam Muhammad & J. A. Laghari & Nurulafiqah Nadzirah Mansor & Hasmaini Mohamad & Alireza Pourdaryaei, 2020. "A Mixed Integer Linear Programming Based Load Shedding Technique for Improving the Sustainability of Islanded Distribution Systems," Sustainability, MDPI, vol. 12(15), pages 1-23, August.
    3. Aranit Shkurti, 2018. "Energy Consumption Modeling in the Western Balkan Countries Using a Top-Down Approach," Academic Journal of Interdisciplinary Studies, Richtmann Publishing Ltd, vol. 7, November.
    4. Sohail Khan & Benoit Bletterie & Adolfo Anta & Wolfgang Gawlik, 2018. "On Small Signal Frequency Stability under Virtual Inertia and the Role of PLLs," Energies, MDPI, vol. 11(9), pages 1-18, September.

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