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Cited by 126Microgrid Control and OptimizationWind Turbine Control SystemsMultilevel Inverters and Converters

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On The Implementation of an FRT Strategy for Grid-Forming Converters Under Symmetrical and Asymmetrical Grid Faults

Rosso, Roberto, Engelken, Soenke, Liserre, Marco·2021·IEEE Transactions on Industry Applications
DOI 10.1109/tia.2021.3095025
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Abstract

Recent studies have shown the potential benefits of grid-forming (GFM) converters and their capability of stabilizing a power system with high penetration of power electronics-based generation. A crucial aspect of any GFM converter control strategy will be the handling of fault-ride through (FRT) scenarios, which converters for generation sources will face regularly in the field. In this article, an FRT strategy for GFM converters is proposed, which respects the converter hardware limitations (i.e., current limitations) while maintaining GFM behavior even during “protective” operating modes. The FRT strategy addresses both symmetrical and asymmetrical faults and is compliant with recently proposed draft grid codes requirements published by the British system operator NGESO. The issues related to FRT of GFM converters are first discussed in detail, then a proper strategy is presented and its effectiveness is demonstrated by means of an extensive power-hardware-in-the-loop measurement campaign, showing its efficacy even against severe fault conditions.

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Metadata

Authors
Rosso, R., Engelken, S., & Liserre, M.
Affiliations
  • Enercon (Germany) (DE)
  • Christian-Albrechts-Universität zu Kiel (DE)
ORCID
Venue
IEEE Transactions on Industry Applications
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Published
2021-09
Volume
57
Issue
5
Pages
4385-4397
ISSN
  • 0093-9994 (ISSN-L)
  • 1939-9367
DOI
10.1109/tia.2021.3095025
OpenAlex
W3182898258
Cited by
126
References
47
Citations by year
2026: 19 · 2025: 38 · 2024: 31 · 2023: 20 · 2022: 16 · 2021: 2
FWCI
7.68
Type
journal article
Language
en
Open access
closed
Licence
Locations
IEEE Transactions on Industry Applications (publishedVersion)
Topics
  • Physical Sciences › Engineering › Control and Systems Engineering › Microgrid Control and Optimization
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Wind Turbine Control Systems
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Multilevel Inverters and Converters
Keywords
fault ride-through, grid-forming inverters, symmetrical faults, unbalanced faults, grid codes, power hardware-in-the-loop, grid stability

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