Blar i NTNU Open på forfatter "Elahidoost, Atousa"
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Application of Modular Multilevel Inverter for Interfacing Grid-Connected Photovoltaic Conversion Plants
Elahidoost, Atousa (Master thesis, 2016)The main focus of this master thesis is to investigate the application of modular multilevel converter (MMC) based grid-connected photovoltaic (PV) conversion systems, and a MATLAB/Simulink model of a PV system composed ... -
Control Optimization of the Offshore HVDC Grid based on Modular Multilevel Converter for Improving DC Voltage Stability
Elahidoost, Atousa; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2020)The aim of this paper is to reduce the voltage oscillation of the HVDC cable in an offshore point-to-point configuration based on the modular multilevel converter. An optimization methodology based on semidefinite programming ... -
Expansion of Offshore HVDC Grids. An overview of contributions, status, challenges, and perspectives.
Elahidoost, Atousa; Tedeschi, Elisabetta (Chapter, 2017)The goal of this paper is to review, systematize and critically discuss the approaches that have been proposed so far for grid transmission expansion in HVDC systems. In particular, the paper will focus on the special ... -
Optimal Linear Controller for Minimizing DC Voltage Oscillations in MMC-Based Offshore Multiterminal HVDC Grids
Elahidoost, Atousa; Furieri, Luca; Kamgarpour, Maryam; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2021)The paper aims at minimizing DC voltage oscillations in offshore multiterminal high-voltage direct current (HVDC) grids based on modular multilevel converters (MMCs). The DC voltage stability is a crucial factor in ... -
Optimizing HVDC Grid Expansion and Control for Enhancing DC Stability
Elahidoost, Atousa; Furieri, Luca; Tedeschi, Elisabetta; Kamgarpour, Maryam (Chapter, 2018)This paper analyzes the problem of the expansion of an offshore HVDC network. We assess which new HVDC link deployment ensures the highest stabilization of the DC voltage under transient conditions, in the worst-case ... -
Reducing HVDC Network Oscillations Considering Wind Intermittency Through Optimized Grid Expansion Decision
Elahidoost, Atousa; Furieri, Luca; Tedeschi, Elisabetta; Kamgarpour, Maryam (Chapter, 2018)This paper considers the evolution of independent offshore HVDC links into a multi-terminal network. It proposes a control strategy to maximize the DC voltage stability under the worst-case perturbation scenario and considers ... -
Stability improvement of MMC-based hybrid AC/DC grids through the application of a decentralized optimal controller
Elahidoost, Atousa; Tedeschi, Elisabetta (Peer reviewed; Journal article, 2022)Interconnection and expansion of AC networks through high-voltage direct current grids based on modular multilevel converters to form a multiterminal hybrid AC/DC grid can pose stability issues. These challenges can arise ... -
Stability Improvement of MMC-Based Multiterminal HVDC Grids
Elahidoost, Atousa (Doctoral theses at NTNU;2024:7, Doctoral thesis, 2024)The 100% renewable European smart grid cannot be implemented without reliance on wind energy from the offshore wind farms in the North Sea. High-voltage direct current (HVDC) cables are generally used to transfer power ...