Modelling of large-sized electrolysers for realtime simulation and study of the possibility of frequency support by electrolysers

Bart W. Tuinema, Ebrahim Adabi , Patrick K.S. Ayivor, Victor Garcia Suarez, Lian Liu, Arcadio Perilla , Zameer Ahmad, José Luis Rueda Torres, Mart van der Meijden, Peter Palensky

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

Hydrogen as an energy carrier holds promising potential for future power systems. An excess of electrical power from renewables can be stored as hydrogen, which can be used at a later moment by industries, households or the transportation system. The stability of the power system could also benefit from electrolysers as these have the potential to participate in frequency and voltage support. Although some electrical models of small electrolysers exist, practical models of large electrolysers have not been described in literature yet. In this publication, a generic electrolyser model is developed in RSCAD, to be used in real-time simulations on the real-time digital simulator. This model has been validated against field measurements of a 1 MW pilot electrolyser installed in the northern part of The Netherlands. To study the impact of electrolysers on power system stability, various simulations have been performed. These simulations show that electrolysers have a positive effect on frequency stability, as electrolysers are able to respond faster to frequency deviations than conventional generators.

Original languageEnglish
Pages (from-to)1985-1992
Number of pages8
JournalIET Generation, Transmission and Distribution
Volume14
Issue number10
DOIs
Publication statusPublished - 2020

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