Abstract
This paper assesses the internal stability of standalone grid-forming voltage-source converters (GFM-VSCs) under virtual-admittance (VA) voltage control with proportional voltage-feedback decoupling (VFD). Traditional VA-based GFM-VSCs are limited by a narrow voltage-loop bandwidth. While VFD can extend this bandwidth, it may destabilize the voltage loop if the gain exceeds unity; stability is restored by constraining the gain below unity. A graphical tuning method identifies optimal loop-gain settings, and the analysis is validated via simulation and by experiments on a 3 kVA GFM-VSC.
| Original language | English |
|---|---|
| Title of host publication | 2025 IEEE 10th Workshop on the Electronic Grid, eGRID 2025 - Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9798331593643 |
| DOIs | |
| State | Published - 2025 |
| Event | 10th IEEE Workshop on the Electronic Grid, eGRID 2025 - Glasgow, United Kingdom Duration: 30 Sep 2025 → 2 Oct 2025 |
Publication series
| Name | 2025 IEEE 10th Workshop on the Electronic Grid, eGRID 2025 - Proceedings |
|---|
Conference
| Conference | 10th IEEE Workshop on the Electronic Grid, eGRID 2025 |
|---|---|
| Country/Territory | United Kingdom |
| City | Glasgow |
| Period | 30/09/25 → 2/10/25 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- cascaded voltage control
- feedback decoupling control
- grid-forming (GFM)
- internal stability
- loop-gain stability
- virtual admittance (VA)
- Voltage-source converters (VSCs)
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