Criteria for Grid-Forming Inverters Transitioning Between Current Limiting Mode and Normal Operation

Lyu, Xue; Du, Wei; Mohiuddin, Sheik Mohammad; Nandanoori, Sai Pushpak; Elizondo, Marcelo

doi:10.1109/tpwrs.2024.3402012

Title: Criteria for Grid-Forming Inverters Transitioning Between Current Limiting Mode and Normal Operation

Journal Article · 16 May 2024 · IEEE Transactions on Power Systems

DOI: https://doi.org/10.1109/tpwrs.2024.3402012 · OSTI ID:2447899

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Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Here, this letter focuses on the fault recovery analysis of inverters using multi-loop droop based grid-forming control, taking into account different current limiting strategies. A criterion is proposed to determine when the inverter can exit the current limiting mode after fault clearance. The theoretical findings are verified through electromagnetic transient simulations using the direct (d)-axis priority-based current limiting method, circular current limiting method, and virtual impedance method.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 2447899

Report Number(s):: PNNL-SA--191865

Journal Information:: IEEE Transactions on Power Systems, Journal Name: IEEE Transactions on Power Systems Journal Issue: 4 Vol. 39; ISSN 0885-8950

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

References (7)

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