Browsing NTNU Open by Author "Hamayoon, Saad"
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Advanced Control Methods for Modular Multilevel Converters
Hamayoon, Saad (Doctoral theses at NTNU;2023:229, Doctoral thesis, 2023)Climate change has forced the global energy sector to transition from energy production based on fossil fuels such as oil, natural gas, and coal towards renewable energy sources i.e., solar energy, wind energy, biomass, ... -
Bisection Algorithm based Indirect Finite Control Set Model Predictive Control for Modular Multilevel Converters
Hamayoon, Saad; Hovd, Morten; Suul, Jon Are Wold (Chapter, 2021)In this work, an idea based on the bisection algorithm is used to reduce the computational burden of indirect finite control set model predictive control (FCS-MPC) for modular multilevel converters (MMCs). The proposed ... -
Combination of Backstepping and Reduced Indirect FCS-MPC for Modular Multilevel Converters
Hamayoon, Saad; Hovd, Morten; Suul, Jon Are Wold (Chapter, 2021)In this paper, backstepping is applied as a first step of modulation control in the abc reference frame for modular multilevel converters (MMCs). In the second step, reduced indirect FCS-MPC is applied where the number of ... -
Fault Detection, Localization and Clearance for MMC based on Indirect Finite Control Set Model Predictive Control
Hamayoon, Saad; Hovd, Morten; Suul, Jon Are Wold (Chapter, 2023)In this paper, indirect finite control set model predictive control (I-FCS-MPC) is used for detecting, localizing, and tolerating open-circuit failures in the transistors without the use of arm voltage sensors. The fault ... -
Non-Linear Model Predictive Control for Modular Multilevel Converters
Hamayoon, Saad; Hovd, Morten; Suul, Jon Are Wold (Chapter, 2022)In this paper, non-linear model predictive control (NMPC) without an explicit modulator is applied to modular multilevel converters (MMCs) in the abc reference frame. NMPC can easily be extended for longer prediction ...