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Cited by 47Microgrid Control and OptimizationWind Turbine Control SystemsMultilevel Inverters and Converters

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Impact of Voltage-Loop Feedforward Terms on the Stability of Grid-Forming Inverters and Remedial Actions

Ravanji, Mohammad Hasan, Rathnayake, Dayan B., Mansour, Milad Zarif, Bahrani, Behrooz·2023·IEEE Transactions on Energy Conversion
DOI 10.1109/tec.2023.3246566
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Abstract

This paper reveals the impact of voltage control loop feedforward terms on the stability of grid-forming inverters (GFMIs) connected to a grid. By deriving a mathematical model, this paper shows that unless the GFMI current control loop is fast enough, the feedforward terms in the voltage control loop may threaten the GFMI small-signal stability. To this end, a necessary and sufficient condition for GFMI stability is proposed, provided that the grid impedance at the point of connection is known. Furthermore, two easy-to-implement yet effective remedial actions are proposed to enhance stability. Aiming to preserve the control structure, the first remedial action re-tunes the voltage controller to satisfy the obtained stability condition, while the second remedial action incorporates simple gains to attenuate the feedforward terms. Moreover, to demonstrate the effectiveness of the second remedial action, the obtained necessary and sufficient stability condition is modified to include the proposed attenuation gain. Eventually, the accuracy of the stability analysis and the effectiveness of the proposed remedial actions are evaluated in simulation and experiment.

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References 47 · Cited by 47

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Metadata

Authors
Ravanji, M. H., Rathnayake, D. B., Mansour, M. Z., & Bahrani, B.
Affiliations
Monash University (AU)
ORCID
Venue
IEEE Transactions on Energy Conversion
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Published
2023-09
Volume
38
Issue
3
Pages
1554-1565
ISSN
  • 0885-8969 (ISSN-L)
  • 1558-0059
DOI
10.1109/tec.2023.3246566
OpenAlex
W4321380906
Cited by
47
References
47
Citations by year
2026: 14 · 2025: 15 · 2024: 13 · 2023: 5
FWCI
5.05
Type
journal article
Language
en
Open access
closed
Licence
Locations
IEEE Transactions on Energy Conversion (publishedVersion)
Funders
  • Monash Grid Innovation Hub
  • Australian Renewable Energy Agency (2020/ARP007)
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
grid-forming inverters, voltage control loop, small-signal stability, stability conditions, grid impedance, remedial measures, current loop control

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CoChat. (2026). Citation check: Impact of Voltage-Loop Feedforward Terms on the Stability of Grid-Forming Inverters and Remedial Actions. https://app.cochat.ai/papers/10.1109/tec.2023.3246566
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Ravanji, M. H., Rathnayake, D. B., Mansour, M. Z., & Bahrani, B. (2023). Impact of Voltage-Loop Feedforward Terms on the Stability of Grid-Forming Inverters and Remedial Actions. IEEE Transactions on Energy Conversion. https://doi.org/10.1109/tec.2023.3246566