All Stories

  1. Observer-Based Distributed Control of Grid-Connected Cascaded Multilevel Converters

    Article • February 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  2. Performance Evaluation of a Flexible Power Point Tracking Strategy for Extending the Operational Lifetime of Solar Battery Banks

    Article • Electronics, February 2026, MDPI AG

    Mr Hossein Dehghani Tafti

  3. Noise-Resilient Protection Algorithm in Renewable Integrated Microgrid Based on Zero-Sequence Current Detection, Differential Faulty Energy, VMD, and SVM

    Article • IEEE Access, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  4. Discontinuous PWM Operation of a Single-Phase PV Generator With Low-Voltage Energy Storage

    Article • IEEE Industrial Electronics Magazine, March 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  5. Enhancing PV system grid stability through reliable flexible power point tracking under partial shading

    Article • Archiv für Elektrotechnik, October 2024, Springer Science + Business Media

    Mr Hossein Dehghani Tafti

  6. A simplified model of flexible power point tracking algorithms in double-stage photovoltaic systems

    Article • Mathematics and Computers in Simulation, October 2024, Elsevier

    Mr Hossein Dehghani Tafti

  7. Comparison of adaptive P/ω droop strategies for intermittent ener...

    Article • International Journal of Electrical Power & Energy Systems, June 2024, Elsevier

    Mr Hossein Dehghani Tafti

  8. A Review of State-of-the-art Flexible Power Point Tracking Algorithms in Photovoltaic Systems for Grid Support: Classification and Application

    Article • Journal of Modern Power Systems and Clean Energy, January 2024, Journal of Modern Power Systems and Clean Energy

    Mr Hossein Dehghani Tafti

  9. Novel Fast-Speed Partial-Shading-Tolerant Flexible Power Point Tracking for Photovoltaic Systems With Explicit Key Points Estimation

    Article • IEEE Transactions on Sustainable Energy, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  10. Distributed Power Reserve Control in Grid-Connected Cascaded H-Bridge Converter-Based Photovoltaic Systems

    Article • IEEE Access, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  11. High Voltage Selective Global Flexible Power Point Tracking for Photovoltaic Systems

    Article • October 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  12. Enhancing PV System Grid Stability Through Reliable Flexible Power Point Tracking Under Partial Shading

    Article • August 2023, Springer Science + Business Media

    Mr Hossein Dehghani Tafti

  13. Improved Secant-Based Global Flexible Power Point Tracking in Photovoltaic Systems Under Partial Shading Conditions

    Article • IEEE Transactions on Power Electronics, August 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  14. Adaptive power system frequency support from distributed photovoltaic systems

    Article • Solar Energy, June 2023, Elsevier

    Mr Hossein Dehghani Tafti

  15. Dynamic Reserve Power Point Tracking in Grid-Connected Photovoltaic Power Plants

    Article • IEEE Transactions on Power Electronics, May 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  16. Point-on-Wave Voltage Phase-Angle Jump Sensitivity Analysis of Grid-Connected Single-Phase Inverters

    Article • IEEE Transactions on Industry Applications, May 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  17. Battery Lifetime Extension in a Stand-Alone Microgrid With Flexible Power Point Tracking of Photovoltaic System

    Article • IEEE Journal of Emerging and Selected Topics in Power Electronics, April 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  18. Grid-Connected Energy Storage Systems: State-of-the-Art and Emerging Technologies

    Article • Proceedings of the IEEE, April 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  19. Performance Comparison of Flexible Power Point Tracking Algorithms on Normal and Degraded Photovolatic Modules

    Article • December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  20. Symmetric Model of IPT Pads for EMI Investigations

    Article • December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  21. Sensitivity Analysis of Grid-Connected Single-Phase Photovoltaic Inverters to Fast Voltage Sag Disturbance

    Article • December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  22. Unbalanced Active Power Distribution of Cascaded Multilevel Converter-Based Battery Energy Storage Systems

    Article • IEEE Industrial Electronics Magazine, December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  23. Global Maximum Power Point Tracking for Photovoltaic Systems Using Hybrid Secant and Binary Search Algorithms

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  24. Global Flexible Power Point Tracking in Photovoltaic Systems Under Partial Shading Conditions

    Article • IEEE Transactions on Power Electronics, September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  25. Effect of Capacitor Voltage Ripples on Submodule Active Power Control Limits of Cascaded Multilevel Converters

    Article • IEEE Industrial Electronics Magazine, June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  26. Control of Distributed Photovoltaic Inverters for Frequency Support and System Recovery

    Article • IEEE Transactions on Power Electronics, April 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  27. An Adaptive Power Ramp Rate Control Method for Photovoltaic Systems

    Article • IEEE Journal of Photovoltaics, March 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  28. Distributed Photovoltaic Inverters’ Response to Voltage Phase-Angle Jump

    Article • IEEE Journal of Photovoltaics, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  29. Impact of Grid Voltage and Grid-Supporting Functions on Efficiency of Single-Phase Photovoltaic Inverters

    Article • IEEE Journal of Photovoltaics, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  30. A Dual Source Switched-Capacitor Multilevel Inverter with Reduced Device Count

    Article • Electronics, December 2021, MDPI AG

    Mr Hossein Dehghani Tafti

  31. Constrained Control of Low-Capacitance Delta Cascaded H-Bridge StatComs: A Model Predictive Control Approach

    Article • IEEE Transactions on Power Electronics, December 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  32. Flexible Power Point Tracking Algorithm for Photovoltaic Systems Using the Newton’s Method

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  33. Inductive Operation of the Low-Capacitance StatCom Using Modular Filter Inductor

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  34. Secant-Based Flexible Power Point Tracking Algorithm for Degraded Photovoltaic Systems

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  35. A Control Strategy for Dual-Input Neutral-Point-Clamped Inverter-Based Grid-Connected Photovoltaic System

    Article • IEEE Transactions on Power Electronics, September 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Frede Blaabjerg, Mr Hossein Dehghani Tafti

  36. Minimizing Energy Storage Utilization in a Stand-Alone DC Microgrid Using Photovoltaic Flexible Power Control

    Article • IEEE Transactions on Smart Grid, September 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  37. Flexible Power Point Tracking for Solar Photovoltaic Systems Using Secant Method

    Article • IEEE Transactions on Power Electronics, August 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  38. Binary Search Based Flexible Power Point Tracking Algorithm for Photovoltaic Systems

    Article • IEEE Industrial Electronics Magazine, July 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  39. Cascaded H-Bridge Low Capacitance Static Compensator With Modular Switched Capacitors

    Article • IEEE Industrial Electronics Magazine, July 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  40. A Dual-Mode Modulation Technique for Controlling the Average Neutral Point Current in Neutral-Point-Clamped Converters

    Article • IEEE Transactions on Power Electronics, May 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  41. Analytical Derivation of Intersubmodule Active Power Disparity Limits in Modular Multilevel Converter-Based Battery Energy Storage Systems

    Article • IEEE Transactions on Power Electronics, March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  42. Analytic Spectral Analysis Technique for Converters Operating With Oscillatory DC-Link Voltage Components

    Article • IEEE Transactions on Power Electronics, December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  43. Flexible Power Point Tracking in Cascaded H-Bridge Converter-Based Photovoltaic Systems

    Article • October 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  44. Analysis of the Inter-Submodule Active Power Disparity Limits of Modular Multilevel Converter-Based Battery Energy Storage Systems

    Article • October 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  45. Comparative Analysis of Flexible Power Point Tracking Algorithms in Photovoltaic Systems

    Article • October 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  46. Extended Functionalities of Photovoltaic Systems With Flexible Power Point Tracking: Recent Advances

    Article • IEEE Transactions on Power Electronics, September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Frede Blaabjerg, Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  47. Band-Limited Three-Level Modulation for Balancing Capacitor Voltages in Neutral-Point-Clamped Converters

    Article • IEEE Transactions on Power Electronics, September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  48. Closed-Loop Analytic Filtering Scheme of Capacitor Voltage Ripple in Multilevel Cascaded H-Bridge Converters

    Article • IEEE Transactions on Power Electronics, August 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  49. Incremental Passivity Control in Multilevel Cascaded H-Bridge Converters

    Article • IEEE Transactions on Power Electronics, August 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  50. Feedforward Modulation for the Neutral-Point-Clamped Converter With Confined Capacitor Voltage Ripples and Reduced Switching Power Losses

    Article • IEEE Transactions on Power Electronics, April 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  51. An Enhanced Static Compensator With DC-Link Voltage Shaping Method

    Article • IEEE Transactions on Power Electronics, March 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  52. Reliability and Economic FeasibilityAnalysis of Parallel Unity Power FactorRectifier for Wind Turbine System

    Article • IET Renewable Power Generation, January 2020, the Institution of Engineering and Technology (the IET)

    Mr Hossein Dehghani Tafti

  53. Low Capacitance StatCom Capacitor Lifetime and Current Stress Analysis

    Article • December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  54. A Comparative Study of Flexible Power Point Tracking Algorithms in Photovoltaic Systems

    Article • November 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Frede Blaabjerg, Mr Hossein Dehghani Tafti

  55. Capacitor Condition Monitoring Based on an Adaptive Observer of the Low-Frequency Capacitor Voltage Ripples for Modular Multilevel Converters

    Article • November 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  56. Modular Switched Capacitor Application in Low Capacitance Static Compensator

    Article • November 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  57. An Algorithm for Fast Flexible Power Point Tracking in Photovoltaic Power Plants

    Article • October 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  58. Load Adaptive Cascaded H-Bridge Low Capacitance StatCom with Modular Capacitors

    Article • October 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  59. Passivity Control in Multilevel Cascaded H-Bridge Converters: A Variable Gain Approach

    Article • October 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  60. A Generalized Voltage Balancing Algorithm for Modular Multilevel Cascaded Converters

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  61. Control Scheme for LLC Resonant Converter with Improved Performance Under Light Loads and Wide Input-Output Voltage Variation

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  62. Parallel Operation of Unity Power Factor Rectifier for PMSG Wind Turbine System

    Article • IEEE Transactions on Industry Applications, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  63. Flexible Control of Photovoltaic Grid-Connected Cascaded H-Bridge Converters During Unbalanced Voltage Sags

    Article • IEEE Industrial Electronics Magazine, August 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Mr Hossein Dehghani Tafti

  64. A General Constant Power Generation Algorithm for Photovoltaic Systems

    Article • IEEE Transactions on Power Electronics, May 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Prof Frede Blaabjerg, Mr Hossein Dehghani Tafti

  65. A general algorithm for flexible active power control of photovoltaic systems

    Article • March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Mr Hossein Dehghani Tafti, Prof Frede Blaabjerg

  66. Operation of Photovoltaic Power plants

    Article • IET Power Electronics, January 2018, the Institution of Engineering and Technology (the IET)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  67. A Multi-Mode Flexible Power Point Tracking Algorithm for Photovoltaic Power Plants

    Article • IEEE Transactions on Power Electronics, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Mr Hossein Dehghani Tafti

  68. An Adaptive Control Scheme for Flexible Power Point Tracking in Photovoltaic Systems

    Article • IEEE Transactions on Power Electronics, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Prof Frede Blaabjerg, Mr Hossein Dehghani Tafti

  69. Control of active front-end rectifier of the solid-state transformer with improved dynamic performance during precharging

    Article • October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  70. Modular DAB DC-DC converter low voltage side dc link capacitor two-stage charging-up control for solid state transformer application

    Article • October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  71. Low-voltage ride-thorough capability of photovoltaic plants

    Article • IET Renewable Power Generation, December 2016, the Institution of Engineering and Technology (the IET)

    Mr Hossein Dehghani Tafti, Dr. Georgios Konstantinou

  72. Low-voltage ride-through capability of full-row connected cascaded H-bridge converters

    Article • November 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Mr Hossein Dehghani Tafti

  73. Low-voltage ride-through capability of cascaded H-bridge multilevel converters for large-scale photovoltaic power plants

    Article • November 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Mr Hossein Dehghani Tafti

  74. An algorithm for reduction of extracted power from photovoltaic strings in grid-tied photovoltaic power plants during voltage sags

    Article • October 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Mr Hossein Dehghani Tafti

  75. z-source inverter

    Article • IET Power Electronics, September 2016, the Institution of Engineering and Technology (the IET)

    Mr Hossein Dehghani Tafti

  76. Study on the unbalanced current injection capability of grid-connected photovoltaic neutral-point-clamped inverter

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Georgios Konstantinou, Mr Hossein Dehghani Tafti

  77. Common mode voltage reduction in open-end multi-phase load system fed through matrix converter

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  78. A review of active/reactive power control strategies for PV power plants under unbalanced grid faults

    Article • November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  79. Active/reactive power control of PV grid-tied NPC inverter using 3-D space vector modulation in abc coordinate

    Article • November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  80. Five-level multiple-pole mutlilevel diode-clamped inverter scheme for reactive power compensation

    Article • November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  81. Performance evaluation of boost and Z-source converters for fuel cell application

    Article • November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  82. Multiple-pole multilevel diode clamped inverter for permanent magnet synchronous motor drive

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  83. NPC photovoltaic grid-connected inverter with ride-through capability under grid faults

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  84. Proportional-resonant controlled NPC converter for more-electric-aircraft starter-generator

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  85. NPC photovoltaic grid-connected inverter using proportional-resonant controller

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  86. NPC photovoltaic grid-connected inverter using proportional-resonant controller

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Mr Hossein Dehghani Tafti

  87. Power quality disturbance classification using a statistical and wavelet-based Hidden Markov Model with Dempster–Shafer algorithm

    Article • International Journal of Electrical Power & Energy Systems, May 2013, Elsevier

    Professor Behrooz Vahidi, Mr Hossein Dehghani Tafti