Wind Farm Control for Improved Battery Lifetime in Green Hydrogen Systems without a Grid Connection

Adam Stock (), Matthew Cole, Mathieu Kervyn, Fulin Fan, James Ferguson, Anup Nambiar, Benjamin Pepper, Michael Smailes and David Campos-Gaona
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Adam Stock: Institute of Mechanical, Process and Energy Engineering (IMPEE), School of Engineering and Physical Sciences (EPS), Heriot-Watt University, Edinburgh EH14 4AS, UK
Matthew Cole: Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XQ, UK
Mathieu Kervyn: Offshore Renewable Energy Catapult, Offshore House, Albert St., Blyth NE24 1LZ, UK
Fulin Fan: Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XQ, UK
James Ferguson: Offshore Renewable Energy Catapult, Offshore House, Albert St., Blyth NE24 1LZ, UK
Anup Nambiar: Offshore Renewable Energy Catapult, Offshore House, Albert St., Blyth NE24 1LZ, UK
Benjamin Pepper: Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XQ, UK
Michael Smailes: Offshore Renewable Energy Catapult, Offshore House, Albert St., Blyth NE24 1LZ, UK
David Campos-Gaona: Electronic and Electrical Engineering Department, University of Strathclyde, Glasgow G1 1XQ, UK

Energies, 2023, vol. 16, issue 13, 1-19

Abstract: Green hydrogen is likely to play an important role in meeting the net-zero targets of countries around the globe. One potential option for green hydrogen production is to run electrolysers directly from offshore wind turbines, with no grid connection and hence no expensive cabling to shore. In this work, an innovative proof of concept of a wind farm control methodology designed to reduce variability in wind farm active power output is presented. Smoothing the power supplied by the wind farm to the battery reduces the size and number of battery charge cycles and helps to increase battery lifetime. This work quantifies the impact of the wind farm control method on battery lifetime for wind farms of 1, 4, 9 and 16 wind turbines using suitable wind farm, battery and electrolyser models. The work presented shows that wind farm control for smoothing wind farm power output could play a critical role in reducing the levelised cost of green hydrogen produced from wind farms with no grid connection by reducing the damaging load cycles on batteries in the system. Hence, this work paves the way for the design and testing of a full implementation of the wind farm controller.

Keywords: wind farm control; green hydrogen; electrolysis; battery lifetime; wind turbine control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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