On Fault Mitigation Schemes for Grid Forming Inverters in AC-Microgrids: Studying Instantaneous Current Limiters

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dc.contributor.authorCisneros Saldana, Jorge
dc.contributor.authorBegovic, Miroslav M.
dc.date.accessioned2024-12-26T21:06:47Z
dc.date.available2024-12-26T21:06:47Z
dc.date.issued2025-01-07
dc.description.abstractIn AC microgrid systems, maintaining stability and reliability is paramount, especially during fault conditions. This paper presents a novel fault mitigation technique for grid-forming inverters, focusing on instantaneous current limiter schemes. The primary objective of this approach is to protect inverter’s internal semiconductor components under short-circuit faults conditions by implementing advanced reference frame techniques that limit current and voltage outputs. At the same time, providing fault protection/mitigation during symmetrical and asymmetrical disturbances, the investigated control scheme allows inverters not to disconnect during faults, thus maintaining grid stability and reliability, allowing time for grid protection to react and operate normally. Simulation results demonstrate the efficacy of the proposed scheme in enhancing the resilience of AC microgrid systems, facilitating seamless integration of renewable energy sources. This paper addresses a critical need in modern power systems by providing a robust solution for inverter fault tolerance, protection and short circuit fault management for AC microgrids.
dc.format.extent11
dc.identifier.doi10.24251/HICSS.2025.355
dc.identifier.isbn978-0-9981331-8-8
dc.identifier.other909144cf-29e2-42d7-bac9-a3ff0b278487
dc.identifier.urihttps://hdl.handle.net/10125/109197
dc.relation.ispartofProceedings of the 58th Hawaii International Conference on System Sciences
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectDistributed, Renewable, and Mobile Resources
dc.subjectcurrent limiter, grid forming, ibr, inverter protection, microgrid, reference frame
dc.titleOn Fault Mitigation Schemes for Grid Forming Inverters in AC-Microgrids: Studying Instantaneous Current Limiters
dc.typeConference Paper
dc.type.dcmiText
prism.startingpage2931

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