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Cited by 200Microgrid Control and OptimizationMultilevel Inverters and ConvertersHVDC Systems and Fault Protection

The DOI matches its Crossref record.

A Current Limiting Method for Single-Loop Voltage-Magnitude Controlled Grid-Forming Converters During Symmetrical Faults

Open access
Liu, Teng, Wang, Xiongfei, Liu, Fangcheng, Xin, Kai, Liu, Yunfeng·2022·IEEE Transactions on Power Electronics
DOI 10.1109/tpel.2021.3122744
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Abstract

This article proposes a current limiting method for single-loop voltage-magnitude controlled grid-forming (GFM) converters to avoid overcurrent during symmetrical faults. The proposed method consists of two parts, which are the outer power reference adjustment to limit the steady-state fault current, and a transient virtual resistor, implemented by directly modifying the modulation voltage reference, to limit the transient fault current during fault-inception and -clearing periods. Furthermore, a nonlinear dynamic model for the GFM converter with the proposed control is developed, and the phase portrait is plotted to reveal the influences of power reference adjustment and of transient virtual resistor control on the transient stability. Finally, experimental tests confirm that the proposed method can effectively limit the fault current to an admissible value while simultaneously keeping the GFM mode during fault ride-through.

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Research works printed but not linked: 37

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Metadata

Authors
Liu, T., Wang, X., Liu, F., Xin, K., & Liu, Y.
Affiliations
  • Aalborg University (DK)
  • Huawei Technologies (China) (CN)
ORCID
Venue
IEEE Transactions on Power Electronics
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Published
2022-04
Volume
37
Issue
4
Pages
4751-4763
ISSN
  • 0885-8993 (ISSN-L)
  • 1941-0107
DOI
10.1109/tpel.2021.3122744
OpenAlex
W3210286076
Cited by
200
References
0
Citations by year
2026: 53 · 2025: 60 · 2024: 54 · 2023: 24 · 2022: 9
FWCI
9.37
Type
journal article
Language
en
Open access
Licence
Locations
  • IEEE Transactions on Power Electronics (publishedVersion)
  • VBN Forskningsportal (Aalborg Universitet) (submittedVersion, other-oa)
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 › HVDC Systems and Fault Protection
Keywords
current limiting, grid-forming inverters, voltage magnitude control, symmetrical faults, fault current limitation, fault ride-through, nonlinear dynamic model, phase portraits, transient stability, overcurrent protection

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