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Increased Wind Energy Yield and Grid Utilisation with Continuous Feed-In Management

Author

Listed:
  • Clemens Jauch

    (Wind Energy Technology Institute, Flensburg University of Applied Sciences, Kanzleistraße 91-93, Flensburg 24943, Germany)

  • Arne Gloe

    (Wind Energy Technology Institute, Flensburg University of Applied Sciences, Kanzleistraße 91-93, Flensburg 24943, Germany)

  • Sebastian Hippel

    (Wind Energy Technology Institute, Flensburg University of Applied Sciences, Kanzleistraße 91-93, Flensburg 24943, Germany)

  • Henning Thiesen

    (Wind Energy Technology Institute, Flensburg University of Applied Sciences, Kanzleistraße 91-93, Flensburg 24943, Germany)

Abstract

This paper presents a study to assess how wind turbines could increase their energy yield when their grid connection point is not strong enough for the rated power. It is state of the art that in such situations grid operators impose feed-in management on the affected wind turbines, i.e., the maximum power is limited. For this study a 5 MW wind turbine is introduced in a small grid that has only limited power transfer capabilities to the upstream power system. Simulations of one particular day are conducted with the electric load, the temperature, and the wind speed as measured on that day. This simulation is conducted twice: once with the 5 MW wind turbine controlled with conventional feed-in management, and a second time when its power is controlled flexibly, i.e., with continuous feed-in management. The results of these two simulations are compared in terms of grid performance, and in terms of mechanical stress on the 5 MW wind turbine. Finally, the conclusion can be drawn that continuous feed-in management is clearly superior to conventional feed-in management. It exhibits much better performance in the grid in terms of energy yield and also in terms of constancy of voltage and temperature of grid equipment. Although it causes somewhat more frequent stress for the wind turbine, the maximum stress level is not increased.

Suggested Citation

  • Clemens Jauch & Arne Gloe & Sebastian Hippel & Henning Thiesen, 2017. "Increased Wind Energy Yield and Grid Utilisation with Continuous Feed-In Management," Energies, MDPI, vol. 10(7), pages 1-23, June.
  • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:870-:d:102950
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    Citations

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    Cited by:

    1. Clemens Jauch & Arne Gloe, 2019. "Simultaneous Inertia Contribution and Optimal Grid Utilization with Wind Turbines," Energies, MDPI, vol. 12(15), pages 1-21, August.
    2. Alexander Rohr & Clemens Jauch, 2021. "Software-in-the-Loop Simulation of a Gas-Engine for the Design and Testing of a Wind Turbine Emulator," Energies, MDPI, vol. 14(10), pages 1-20, May.
    3. Arne Gloe & Clemens Jauch & Thomas Räther, 2021. "Grid Support with Wind Turbines: The Case of the 2019 Blackout in Flensburg," Energies, MDPI, vol. 14(6), pages 1-20, March.
    4. Clemens Jauch, 2021. "Grid Services and Stress Reduction with a Flywheel in the Rotor of a Wind Turbine," Energies, MDPI, vol. 14(9), pages 1-25, April.

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