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Improvement of RES hosting capacity using a central energy storage system
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.ORCID iD: 0000-0002-6126-3598
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.ORCID iD: 0000-0002-8189-2420
2017 (English)In: 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe), Institute of Electrical and Electronics Engineers (IEEE), 2017, p. 1-6Conference paper, Published paper (Refereed)
Abstract [en]

High penetration of renewable energy sources (RESs) in distribution systems leads to reverse active power and voltage rise in low voltage (LV) grids, which limits the hosting capacity. Energy storage systems (ESSs) have been used to improve the hosting capacity by decreasing the reverse active power in some literature. ESSs can still improve the hosting capacity more by providing reactive power. The reactive power shows a little effect in existing researches, because they have mostly simulate LV grids without modeling transformers. However, the high reactance of the transformer magnifies the effectiveness of the reactive power control even more than the active power in some buses. This paper develops an optimal method for placement, sizing, and active and reactive power control of a central ESS to improve the hosting capacity. The simulation results in highly RES penetrated grids at Germany show the effectiveness of the proposed method.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. p. 1-6
Keywords [en]
Batteries, Production, Reactive power, Reactive power control, State of charge, Voltage control, Distribution grids, energy storage system, hosting capacity, reactive power control, renewable energy sources
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering; Energy Technology
Identifiers
URN: urn:nbn:se:kth:diva-222226DOI: 10.1109/ISGTEurope.2017.8260102ISI: 000428016500011Scopus ID: 2-s2.0-85046278950ISBN: 9781538619537 (print)OAI: oai:DiVA.org:kth-222226DiVA, id: diva2:1179913
Conference
2017 IEEE PES Innovative Smart Grid Technologies Conference Europe, ISGT-Europe 2017, Torino, Italy, 26 September 2017 through 29 September 2017
Funder
Swedish Energy Agency
Note

QC 20180327

Available from: 2018-02-02 Created: 2018-02-02 Last updated: 2018-06-01Bibliographically approved

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Accepted version(352 kB)5 downloads
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e41e788ebddfe4e471e8373c6ef8e8bfc4815c2a22064e08d65bc7dc63807765cb61c3b7fbeb77af97640076aaddc8bc2c46518a0efb5aec3de1e73601e3d635
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Hasananpor Divshali, PoriaSöder, Lennart

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