Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters

Bo Fan; Xiongfei Wang

doi:10.23919/IPEC-Himeji2022-ECCE53331.2022.9807120

Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters

^*Corresponding author for this work

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

5 Citations (Scopus)

182 Downloads (Pure)

Abstract

This study investigates the transient stability of a virtual-admittance-controlled grid-forming (GFM) converter with a circular current limiter. Firstly, to facilitate the transient stability analysis, the inner control loops along with the circular current limiter are represented as a voltage source behind adaptive virtual impedance. Next, a time-rescaling technique is utilized to simplify the closed-loop system dynamics. It is found that transient stability is only affected by the 'relative speed' defined as the ratio between the voltage magnitude control gain and the power one. Based on the simplified system model, the phase plain analysis is applied to evaluate the transient stability of the GFM converter. The results reveal that transient stability can be jeopardized when the circular current limiter is applied, while reacquired by increasing the relative speed. Finally, simulation and experimental tests are conducted to verify these findings.

Original language	English
Title of host publication	2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia
Number of pages	6
Publisher	IEEE (Institute of Electrical and Electronics Engineers)
Publication date	2022
Pages	429-434
ISBN (Electronic)	9784886864253
DOIs	https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807120
Publication status	Published - 2022
Event	2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia - Himeji, Japan Duration: 15 May 2022 → 19 May 2022

Conference

Conference	2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia
Country/Territory	Japan
City	Himeji
Period	15/05/2022 → 19/05/2022
Sponsor	IEEE Industrial Electronics Society (IES), IEEE Industry Aplications Society (IAS), IEEE Power Electronics Society (PELS)

Bibliographical note

Funding Information:
This work was supported by the European Union’s Horizon 2020 Research and Innovation Programme under the Marie Skłodowska-Curie Grant Agreement 101031512 (FRESLING).

Publisher Copyright:
© 2022 IEEJ-IAS.

Keywords

Current limiter
grid-forming converter
transient stability
virtual admittance control

Access to Document

10.23919/IPEC-Himeji2022-ECCE53331.2022.9807120

IPEC2022_Impact_of_Current_LimiterAccepted author manuscript, 1.48 MBLicence: CC BY 4.0

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Cite this

@inproceedings{3181c8d21b944df58b3cd6dad59119ea,

title = "Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters",

abstract = "This study investigates the transient stability of a virtual-admittance-controlled grid-forming (GFM) converter with a circular current limiter. Firstly, to facilitate the transient stability analysis, the inner control loops along with the circular current limiter are represented as a voltage source behind adaptive virtual impedance. Next, a time-rescaling technique is utilized to simplify the closed-loop system dynamics. It is found that transient stability is only affected by the 'relative speed' defined as the ratio between the voltage magnitude control gain and the power one. Based on the simplified system model, the phase plain analysis is applied to evaluate the transient stability of the GFM converter. The results reveal that transient stability can be jeopardized when the circular current limiter is applied, while reacquired by increasing the relative speed. Finally, simulation and experimental tests are conducted to verify these findings.",

keywords = "Current limiter, grid-forming converter, transient stability, virtual admittance control",

author = "Bo Fan and Xiongfei Wang",

note = "Funding Information: This work was supported by the European Union{\textquoteright}s Horizon 2020 Research and Innovation Programme under the Marie Sk{\l}odowska-Curie Grant Agreement 101031512 (FRESLING). Publisher Copyright: {\textcopyright} 2022 IEEJ-IAS.; 2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia ; Conference date: 15-05-2022 Through 19-05-2022",

year = "2022",

doi = "10.23919/IPEC-Himeji2022-ECCE53331.2022.9807120",

language = "English",

pages = "429--434",

booktitle = "2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia",

publisher = "IEEE (Institute of Electrical and Electronics Engineers)",

address = "United States",

}

Fan, B & Wang, X 2022, Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters. in 2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia. IEEE (Institute of Electrical and Electronics Engineers), pp. 429-434, 2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia, Himeji, Japan, 15/05/2022. https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807120

Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters. / Fan, Bo; Wang, Xiongfei.
2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia. IEEE (Institute of Electrical and Electronics Engineers), 2022. p. 429-434.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters

AU - Fan, Bo

AU - Wang, Xiongfei

N1 - Funding Information: This work was supported by the European Union’s Horizon 2020 Research and Innovation Programme under the Marie Skłodowska-Curie Grant Agreement 101031512 (FRESLING). Publisher Copyright: © 2022 IEEJ-IAS.

PY - 2022

Y1 - 2022

N2 - This study investigates the transient stability of a virtual-admittance-controlled grid-forming (GFM) converter with a circular current limiter. Firstly, to facilitate the transient stability analysis, the inner control loops along with the circular current limiter are represented as a voltage source behind adaptive virtual impedance. Next, a time-rescaling technique is utilized to simplify the closed-loop system dynamics. It is found that transient stability is only affected by the 'relative speed' defined as the ratio between the voltage magnitude control gain and the power one. Based on the simplified system model, the phase plain analysis is applied to evaluate the transient stability of the GFM converter. The results reveal that transient stability can be jeopardized when the circular current limiter is applied, while reacquired by increasing the relative speed. Finally, simulation and experimental tests are conducted to verify these findings.

AB - This study investigates the transient stability of a virtual-admittance-controlled grid-forming (GFM) converter with a circular current limiter. Firstly, to facilitate the transient stability analysis, the inner control loops along with the circular current limiter are represented as a voltage source behind adaptive virtual impedance. Next, a time-rescaling technique is utilized to simplify the closed-loop system dynamics. It is found that transient stability is only affected by the 'relative speed' defined as the ratio between the voltage magnitude control gain and the power one. Based on the simplified system model, the phase plain analysis is applied to evaluate the transient stability of the GFM converter. The results reveal that transient stability can be jeopardized when the circular current limiter is applied, while reacquired by increasing the relative speed. Finally, simulation and experimental tests are conducted to verify these findings.

KW - Current limiter

KW - grid-forming converter

KW - transient stability

KW - virtual admittance control

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M3 - Article in proceeding

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BT - 2022 International Power Electronics Conference, IPEC-Himeji 2022-ECCE Asia

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Y2 - 15 May 2022 through 19 May 2022

ER -

Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters

Abstract

Conference

Bibliographical note

Keywords

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AUB Link

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FRESLING: FREquency Security of Low-INertia electrical Grids

Cite this

Impact of Circular Current Limiters on Transient Stability of Grid-Forming Converters

Abstract

Conference

Bibliographical note

Keywords

Access to Document

AUB Link

Other files and links

Fingerprint

Projects

FRESLING: FREquency Security of Low-INertia electrical Grids

Cite this