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Cited by 121Microgrid Control and OptimizationMultilevel Inverters and ConvertersIslanding Detection in Power Systems

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An Adaptive Fault Ride-Through Scheme for Grid-Forming Inverters Under Asymmetrical Grid Faults

Li, Zilin, Chan, Ka Wing, Hu, Jiefeng, Or, Siu Wing·2022·IEEE Transactions on Industrial Electronics
DOI 10.1109/tie.2021.3135641
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Abstract

Three-phase four-wire grid-forming (GFM) inverters are promising to interface distributed energy resources into low-voltage networks. However, these inverters are prone to overcurrent under grid faults. Physically increasing the inverter current capacity is not cost-effective to cope with complicated fault conditions. In this article, an adaptive fault ride-through (FRT) scheme based on instantaneous saturators and virtual negative- and zero-sequence resistances is proposed. It features not only overcurrent limitation by modifying voltage references, but also seamless transition between normal and grid fault conditions. The proposed FRT scheme is first analyzed from different aspects, including the virtual sequence resistances, grid short-circuit ratio, fault types, and fault levels. The virtual sequence resistances are then designed to be adaptive to ensure high voltage quality at the healthy phase. The proposed FRT scheme is verified by MATLAB/Simulink simulations under asymmetrical faults. A laboratory platform with a grid-connected 3kW GFM inverter is further constructed to demonstrate its effectiveness (a video of the experimental results under three asymmetrical faults is attached).

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References 38 · Cited by 121

Research works printed but not linked: 38

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Metadata

Authors
Li, Z., Chan, K. W., Hu, J., & Or, S. W.
Affiliations
  • Hong Kong Polytechnic University (HK)
  • Federation University (AU)
ORCID
Venue
IEEE Transactions on Industrial Electronics
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Published
2022-12
Volume
69
Issue
12
Pages
12912-12923
ISSN
  • 0278-0046 (ISSN-L)
  • 1557-9948
DOI
10.1109/tie.2021.3135641
OpenAlex
W4205744813
Cited by
121
References
38
Citations by year
2026: 32 · 2025: 42 · 2024: 28 · 2023: 16 · 2022: 3
FWCI
5.06
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • IEEE Transactions on Industrial Electronics (publishedVersion)
  • FedUni ResearchOnline (Federation University Australia) (submittedVersion, public-domain)
  • PolyU Institutional Research Archive (Hong Kong Polytechnic University) (submittedVersion)
Funders
  • Research Grants Council of the Hong Kong Special Administrative Region (R5020-18)
  • Innovation and Technology Commission
  • National Rail Transit Electrification and Automation Engineering Technology Research Center (K-BBY1)
Topics
  • Physical Sciences › Engineering › Control and Systems Engineering › Microgrid Control and Optimization
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Islanding Detection in Power Systems
Keywords
fault ride-through, grid-forming inverters, asymmetrical grid faults, distributed energy resources, low-voltage distribution networks, voltage quality

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CoChat. (2026). Citation check: An Adaptive Fault Ride-Through Scheme for Grid-Forming Inverters Under Asymmetrical Grid Faults. https://app.cochat.ai/papers/10.1109/tie.2021.3135641
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Li, Z., Chan, K. W., Hu, J., & Or, S. W. (2022). An Adaptive Fault Ride-Through Scheme for Grid-Forming Inverters Under Asymmetrical Grid Faults. IEEE Transactions on Industrial Electronics. https://doi.org/10.1109/tie.2021.3135641