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Impact of Hybrid Energy Storage System Topology on Performance: Exploration for Hydropower Hybrids

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Title:Impact of Hybrid Energy Storage System Topology on Performance: Exploration for Hydropower Hybrids
Authors:Banerjee, Abhishek
Alam, S M Shafiul
Mosier, Thomas M
Keywords:Distributed, Renewable, and Mobile Resources
batteries
frequency nadir
hybrid energy systems
renewable energy
show 2 morerun-of-river hydropower
ultracapacitors
show less
Date Issued:05 Jan 2021
Abstract:We investigate the technical performance of six HESS topologies integrated with run-of-river (ROR) hydropower to provide frequency support. We choose ROR hydropower because there are 23 GW of installed ROR hydropower in the U.S. and integrating these plants with energy storage could boost their contribution to grid services. We focus on HESSs composed of batteries and ultra-capacitors because batteries are cost effective for storing energy but degrade more quickly as a function of cycling. In contrast, ultra-capacitors can be cycled millions of times and are cost effective for quick injections of power. We find that active HESS topologies demonstrate the best overall improvement to grid frequency during a contingency while adhering to the power ramping limits of the HESS devices. Future work will investigate other services to identify if one HESS topology performs best for all services of interest or, more likely, different HESS topologies are best suited for specific services.
Pages/Duration:9 pages
URI:http://hdl.handle.net/10125/70993
ISBN:978-0-9981331-4-0
DOI:10.24251/HICSS.2021.378
Rights:Attribution-NonCommercial-NoDerivatives 4.0 International
https://creativecommons.org/licenses/by-nc-nd/4.0/
Appears in Collections: Distributed, Renewable, and Mobile Resources


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