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SMALL-SIGNAL STABILITY ANALYSIS OF ENERGY ISLAND TYPE SYSTEMS CONSIDERING PARALLEL OPERATION OF GRID-FOLLOWING AND GRID-FORMING CONVERTERS
Power System Design, Energinet, Tonne Kjærsvej 65, Fredericia, Denmark, Tonne Kjærsvej 65; AAU Energy, Aalborg University, Pontoppidanstræde 111, Aalborg, Denmark, Pontoppidanstræde 111.
AAU Energy, Aalborg University, Pontoppidanstræde 111, Aalborg, Denmark, Pontoppidanstræde 111.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electric Power and Energy Systems. AAU Energy, Aalborg University, Pontoppidanstræde 111, Aalborg, Denmark, Pontoppidanstræde 111itute of Technology, Teknikringen 33, Stockholm, Sweden.ORCID iD: 0000-0002-6327-9729
Power System Design, Energinet, Tonne Kjærsvej 65, Fredericia, Denmark, Tonne Kjærsvej 65.
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2025 (English)In: 23rd Wind and Solar Integration Workshop, WIW 2024:, Vol. 2024, no 16, p. 152-160Article in journal, Meeting abstract (Other academic) Published
Abstract [en]

This paper explores the damping effect of a grid-forming (GFM) converter on the small-signal stability of a grid-following (GFL) converter during weak grid configurations. The paralleled operation of GFL and GFM converters is considered in this work. It reveals that the stabilising effect of the GFM converter is proportional with its active power production, and the theoretical upper limit to this stabilising effect is set by the steady-state stability limit of the GFM converter. Electromagnetic transient simulations verify the small-signal stability analysis and the theoretical findings.
Place, publisher, year, edition, pages
Institution of Engineering and Technology (IET) , 2025. Vol. 2024, no 16, p. 152-160
Keywords [en]
Energy island, Grid-following, Grid-forming, Paralleled converters, Small-signal stability
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-362692DOI: 10.1049/icp.2024.3784Scopus ID: 2-s2.0-105002390091OAI: oai:DiVA.org:kth-362692DiVA, id: diva2:1954134
Conference
23rd Wind and Solar Integration Workshop, WIW 2024, Hybrid, Helsinki, Finland, Oct 8 2024 - Oct 11 2024
Note

QC 20250425

Available from: 2025-04-23 Created: 2025-04-23 Last updated: 2025-04-25Bibliographically approved

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Wang, Xiongfei

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