2026

• Shah, Chirag Ramgopal; Molinas Cabrera, Maria Marta; He, Shan; Føyen, Sjur; Nilsen, Roy. (2026) The Impact of Frequency Coupling in dq frame on the Passivity Properties of Grid-connected Converter.
  Vitenskapelig kapittel
• Shah, Chirag Ramgopal; Molinas Cabrera, Maria Marta; Føyen, Sjur; Nilsen, Roy. (2026) Impedance Asymmetricity: How Control Design Shapes Converter-Grid Instability.
  Vitenskapelig kapittel
• Shah, Chirag R.; Norambuena, Margarita; Molinas, Marta; Rodriguez, Jose; Føyen, Sjur; Nilsen, Roy. (2026) Impedance-based Stability Characterization of Extended Finite Control Set MPC under Realistic Switching Constraints. IEEE Journal of Emerging and Selected Topics in Power Electronics
  Vitenskapelig artikkel

2025

• Shah, Chirag Ramgopal; Molinas Cabrera, Maria Marta; Bana, Prabhat Ranjan; Føyen, Sjur; Nilsen, Roy. (2025) Unveiling Stability Insights of Model Predictive Current Control in Voltage Source Converter through Impedance Analysis. International Conference on Clean Electrical Power
  Konferanseabstract
• Shah, Chirag Ramgopal; Molinas Cabrera, Maria Marta; Føyen, Sjur; D'Arco, Salvatore; Nilsen, Roy; Amin, Mohammad. (2025) Single Coordinate Bode Plots for Stability Evaluation of MIMO Power Electronics Systems via a Frequency Coupling Corrective Factor. IEEE transactions on power electronics
  Vitenskapelig artikkel

2024

• Shah, Chirag Ramgopal; Føyen, Sjur; Molinas Cabrera, Maria Marta; Nilsen, Roy; Amin, Mohammad. (2024) Influence of controller and reference frame on impedance coupling strength, its quantification and application to stability studies.
  Vitenskapelig kapittel
• Shah, Chirag Ramgopal; Molinas Cabrera, Maria Marta; Nilsen, Roy; Amin, Mohammad. (2024) Impedance Reshaping of GFM Converters with Selective Resistive Behaviour for Small-signal Stability Enhancement.
  Vitenskapelig kapittel
• Føyen, Sjur; Shah, Chirag Ramgopal; Zhang, Chen; Molinas Cabrera, Maria Marta. (2024) Synchronisation, dispatch and droop of VSCs: revisiting functionality in various coordinate systems. IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
  Vitenskapelig artikkel

2023

• Shah, Chirag Ramgopal; Molinas Cabrera, Maria Marta; Nilsen, Roy; Amin, Mohammad. (2023) Limitations in Impedance Reshaping of Grid Forming Converters for Instability Prevention.
  Vitenskapelig kapittel