Published on: June 2026
ADAPTIVE CONVERTER CONTROL FOR ENHANCING GRID STABILITY IN RENEWABLE ENERGY NETWORKS
Koduru Pragathi
Dr. R. Suja Mani Malar
Article Status
Available Documents
Abstract
The increasing penetration of renewable energy sources in modern power systems has significantly reduced system inertia, creating challenges for frequency regulation, voltage stability, and transient performance. Conventional grid-following converters often exhibit limited effectiveness in weak-grid conditions due to their dependence on external voltage and frequency references. This study proposes an adaptive converter control framework designed to enhance grid stability in renewable energy networks through the integration of adaptive virtual impedance, frequency feed forward control, and hybrid synchronization mechanisms. The proposed methodology employs cascaded control architecture capable of dynamically adjusting control parameters during grid disturbances and fault conditions. Simulation analyses were conducted under varying grid strengths, including weak-grid scenarios with a short-circuit ratio of 1.5. Results demonstrate that the proposed adaptive controller achieves a 25% reduction in voltage overshoot, improved settling time, enhanced transient synchronization stability, and reduced frequency deviations compared with conventional droop-based and static current-limiting control strategies. The adaptive virtual impedance mechanism effectively preserves voltage-source characteristics while preventing synchronization loss during fault events. Furthermore, the incorporation of frequency feed forward significantly improves frequency nadir performance and reduces the rate of change of frequency under severe disturbances. The findings confirm that adaptive converter control represents a promising solution for ensuring reliable and resilient operation of renewable-dominated power systems, supporting the transition toward low-carbon and inverter-based energy networks.
How to Cite this Paper
Pragathi, K. (2026). Adaptive Converter Control for Enhancing Grid Stability in Renewable Energy Networks. International Journal of Creative and Open Research in Engineering and Management, <i>02</i>(6). https://doi.org/10.55041/ijcope.v2i6.117
Pragathi, Koduru. "Adaptive Converter Control for Enhancing Grid Stability in Renewable Energy Networks." International Journal of Creative and Open Research in Engineering and Management, vol. 02, no. 6, 2026, pp. . doi:https://doi.org/10.55041/ijcope.v2i6.117.
Pragathi, Koduru. "Adaptive Converter Control for Enhancing Grid Stability in Renewable Energy Networks." International Journal of Creative and Open Research in Engineering and Management 02, no. 6 (2026). https://doi.org/https://doi.org/10.55041/ijcope.v2i6.117.
Search & Index
References
- Abdelwahab, A. and Vokony, I. (2026) “Beyond synchronization: The evolution of grid-following to grid-forming inverters and the quest for power system stability,” Energy Reports, 15, pp. 109221–109221. doi:10.1016/j.egyr.2026.109221.
- Alharbi, M. (2026) “The Dual Role of Grid-Forming Inverters: Power Electronics Innovations and Power System Stability,” Electronics, 15(5), pp. 1115–1115. doi:10.3390/electronics15051115.
- Aljarrah, R. et al. (2024) “Issues and Challenges of Grid-Following Converters Interfacing Renewable Energy Sources in Low Inertia Systems: A Review,” IEEE Access, 12, pp. 5534–5561. doi:10.1109/access.2024.3349630.
- Askarian, A., Park, J. and Salapaka, S.M. (2024) “Multi-Mode Inverters: A Unified Control Design for Grid-Forming, Grid-Following, and Beyond,” arXiv (Cornell University) [Preprint]. Cornell University. doi:10.48550/arxiv.2410.08433.
- Baeckeland, N. et al. (2024) “Overcurrent Limiting in Grid-Forming Inverters: A Comprehensive Review and Discussion,” OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information), 39(11), pp. 14493–14517. doi:10.1109/tpel.2024.3430316.
- Boroojeni, S.M. and Sharafoddin, E. (2024) “Improved Dynamic Response in Grid-Forming Converters with Current Limiting Control during Fault Conditions,” arXiv (Cornell University) [Preprint]. doi:10.48550/arxiv.2409.11548.
- Colak, A., Abouyehia, M. and Ahmed, K. (2026) “Novel Dynamic Inertia Damping Enhancement of Droop Control for Grid‐Forming Converters,” IET Power Electronics, 19(1). doi:10.1049/pel2.70219.
- Cui, G., Chu, Z. and Teng, F. (2024) “Control-Mode as a Grid Service in Software-Defined Power Grids: GFL vs GFM,” IEEE Transactions on Power Systems, 40(1), pp. 314–326. doi:10.1109/tpwrs.2024.3404339.
- Desai, M. et al. (2024) “Saturation-informed current-limiting control for grid-forming converters,” arXiv (Cornell University). Cornell University, pp. 110746–110746. doi:10.1016/j.epsr.2024.110746.
- Elkhalil, Y.B. et al. (2025) “Enhanced Fault Ride-Through Grid Forming with Transient Synchronisation Stability and Current Saturation,” arXiv (Cornell University) [Preprint]. doi:10.48550/arxiv.2506.19444.
Ethical Compliance & Review Process
- •All submissions are screened under plagiarism detection.
- •Review follows editorial policy.
- •Authors retain copyright.
- •Peer Review Type: Double-Blind Peer Review
- •Published on: Jun 09 2026
This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. You are free to share and adapt this work for non-commercial purposes with proper attribution.