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.
  Academic chapter
• Shah, Chirag Ramgopal; Molinas Cabrera, Maria Marta; Føyen, Sjur; Nilsen, Roy. (2026) Impedance Asymmetricity: How Control Design Shapes Converter-Grid Instability.
  Academic chapter
• 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
  Academic article

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
  Conference abstract
• 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
  Academic article

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.
  Academic chapter
• 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)
  Academic article

2023

• Føyen, Sjur; Zhang, Chen; Zhang, Yu; Isobe, Takanori; Fosso, Olav Bjarte; Cai, Xu; Molinas Cabrera, Maria Marta. (2023) Frequency Scanning of Weakly Damped Single-Phase VSCs With Chirp Error Control. IEEE transactions on power electronics
  Academic article

2022

• Føyen, Sjur; Zhang, Chen; Molinas Cabrera, Maria Marta; Fosso, Olav B; Isobe, Takanori. (2022) Impedance scanning with chirps for single-phase converters.
  Academic chapter
• Zhang, Yu; Føyen, Sjur; Zhang, Chen; Molinas Cabrera, Maria Marta; Fosso, Olav B; Cai, Xu. (2022) Instability Mode Recognition of Grid-Tied Voltage Source Converters with Nonstationary Signal Analysis.
  Academic chapter
• Zhang, Chen; Molinas Cabrera, Maria Marta; Føyen, Sjur; Suul, Jon Are Wold; Isobe, Takanori. (2022) Impedance Modeling and Comparative Analysis of a Single-phase Grid-tied VSC Under Average and Peak dc Voltage Controls.
  Academic chapter

2020

• Føyen, Sjur; Zhang, Chen; Molinas Cabrera, Maria Marta; Fosso, Olav B; Isobe, Takanori. (2020) Single-phase synchronisation with Hilbert transformers: a linear and frequency independent orthogonal system generator.
  Academic chapter
• Zhang, Chen; Molinas Cabrera, Maria Marta; Føyen, Sjur; Suul, Jon Are Wold; Isobe, Takanori. (2020) Harmonic-Domain SISO Equivalent Impedance Modeling and Stability Analysis of a Single-Phase Grid-Connected VSC. IEEE transactions on power electronics
  Academic article
• Zhang, Chen; Føyen, Sjur; Suul, Jon Are Wold; Molinas, Marta Maria Cabrera. (2020) Modeling and Analysis of SOGI-PLL/FLL-based Synchronization Units: Stability Impacts of Different Frequency-feedback Paths. IEEE transactions on energy conversion
  Academic article
• Zhang, Chen; Molinas Cabrera, Maria Marta; Føyen, Sjur; Suul, Jon Are Wold; Isobe, Takanori. (2020) An Integrated Method for Generating VSCs’ Periodical Steady-state Conditions and HSS-based Impedance Model. IEEE Transactions on Power Delivery
  Academic article

2019

• Føyen, Sjur; Fosso, Olav B; Zhang, Chen; Molinas Cabrera, Maria Marta. (2019) Frequency Domain Modelling for Assessment of Hilbert and SOGI Based Single-Phase Synchronisation.
  Academic chapter

2018

• Føyen, Sjur; Kvammen, Mads-Emil B.; Fosso, Olav B. (2018) Prony's method as a tool for power system identification in Smart Grids.
  Academic chapter

2017

• Føyen, Sjur; Kvammen, Mads-Emil B.; Fosso, Olav B. (2017) Prony analysis and Robust RLS for electromechanical oscillations: an evaluation technique.
  Academic chapter