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Experimental Validation of a Hydrostatic Transmission for Community Wind Turbines

Author

Listed:
  • Biswaranjan Mohanty

    (Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55414, USA)

  • Kim A. Stelson

    (Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55414, USA)

Abstract

Hydrostatic transmissions are commonly used in heavy-duty equipment for their design flexibility and superior power density. Compared to a conventional wind turbine transmission, a hydrostatic transmission (HST) is a lighter, more reliable, cheaper, continuously variable alternative for a wind turbine. In this paper, for the first time, a validated dynamical model and controlled experiment have been used to analyze the performance of a hydrostatic transmission with a fixed-displacement pump and a variable-displacement motor for community wind turbines. From the dynamics of the HST, a pressure control strategy is designed to maximize the power capture. A hardware-in-the-loop simulation is developed to experimentally validate the performance and efficiency of the HST drive train control in a 60 kW virtual wind turbine environment. The HST turbine is extensively evaluated under steady and time-varying wind on a state-of-the-art power regenerative hydrostatic dynamometer. The proposed controller tracks the optimal tip-speed ratio to maximize power capture.

Suggested Citation

  • Biswaranjan Mohanty & Kim A. Stelson, 2022. "Experimental Validation of a Hydrostatic Transmission for Community Wind Turbines," Energies, MDPI, vol. 15(1), pages 1-15, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:1:p:376-:d:718222
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    References listed on IDEAS

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    1. Mangialardi, L. & Mantriota, G., 1994. "Automatically regulated C.V.T. in wind power systems," Renewable Energy, Elsevier, vol. 4(3), pages 299-310.
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    Cited by:

    1. Neil Garcia & Biswaranjan Mohanty & Kim A. Stelson, 2023. "Variability in the Wind Spectrum between 10 −2 Hz and 1 Hz," Energies, MDPI, vol. 16(9), pages 1-14, April.
    2. Biswaranjan Mohanty & Kim A. Stelson, 2022. "Dynamics and Control of an Energy-Efficient, Power-Regenerative, Hydrostatic Wind Turbine Dynamometer," Energies, MDPI, vol. 15(8), pages 1-16, April.

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