EXPERIMENTATION ON A HYDRAULIC ENERGY STORAGE SYSTEM FOR MID-SIZE WIND TURBINES

Eric Mohr, Biswaranjan Mohanty, Daniel Escobar-Naranjo, Kim A. Stelson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

Renewable energy resource investment is crucial to mitigating the effects of climate change. One underrecognized method is improving the performance of mid-sized wind turbines. A hydraulic Energy Storage System (ESS) can be added to a midsized wind turbine transmission to improve system reliability and produce more energy. This hybrid system also offers potential ancillary benefits, such as fault ride-through and strong wind pitch and yaw control. In this paper, results of recent improvements on our previously proposed hybrid system are presented. These improvements include a more realistic accumulator model to improve simulation fidelity and the addition of a hydraulic energy storage system to the power regenerative test platform at the University of Minnesota for experimental validation. Losses of the test platform are characterized and used to improve the quality of the simulation results. Wind samples are used to experimentally validate simulation results. The updated simulation is used to create a refined prediction of the benefits of the hybrid system for a 60 kW turbine.

Original languageEnglish (US)
Title of host publicationProceedings of ASME/BATH 2021 Symposium on Fluid Power and Motion Control, FPMC 2021
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791885239
DOIs
StatePublished - 2021
EventASME/BATH 2021 Symposium on Fluid Power and Motion Control, FPMC 2021 - Virtual, Online
Duration: Oct 19 2021Oct 21 2021

Publication series

NameProceedings of ASME/BATH 2021 Symposium on Fluid Power and Motion Control, FPMC 2021

Conference

ConferenceASME/BATH 2021 Symposium on Fluid Power and Motion Control, FPMC 2021
CityVirtual, Online
Period10/19/2110/21/21

Bibliographical note

Funding Information:
We would like to thank the Center for Compact and Efficient Fluid Power and the National Science Foundation for funding for this project. We would like to thank Linde, ExxonMobil, and Bonfiglioli for donation of the secondary pump, oil, and gearbox.

Publisher Copyright:
Copyright © 2021 by ASME.All right reserved.

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