Blar i NTNU Open på forfatter "Khazaeli Moghadam, Farid"
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Digital twin modeling for predictive maintenance of gearboxes in floating offshore wind turbine drivetrains
Khazaeli Moghadam, Farid; de Souza Rebouças, Geraldo Francisco; Nejad, Amir R. (Peer reviewed; Journal article, 2021)This paper presents a multi-degree of freedom torsional model of drivetrain system as the digital twin model for monitoring the remaining useful lifetime of the drivetrain components. An algorithm is proposed for the model ... -
Evaluation of PMSG-based drivetrain technologies for 10 MW floating offshore wind turbines: pros and cons in a life-cycle perspective
Khazaeli Moghadam, Farid; Nejad, Amir R. (Peer reviewed; Journal article, 2020)This paper presents an in depth evaluation and comparison of three different drivetrain choices based on permanent‐magnet synchronous generator (PMSG) technology for 10‐MW offshore wind turbines. The life cycle approach ... -
Experimental Validation of Angular Velocity Measurements for Wind Turbines Drivetrain Condition Monitoring
Khazaeli Moghadam, Farid; Rasekhi Nejad, Amir (Chapter, 2019)Drivetrain bearings are seen as the most common reason of the wind turbine drivetrain system failures and the consequent downtimes. In this study, the angular velocity error function is used for the condition monitoring ... -
Life Cycle Assessment of Various PMSG-Based Drivetrain Concepts for 15 MW Offshore Wind Turbines Application
Khazaeli Moghadam, Farid; Desch, Nils (Peer reviewed; Journal article, 2023)There are different configurations selected by both industry and academia as the drivetrain for wind turbines in the power range of 10 to 16 MW. The choice of drivetrain system influences the levelized cost of energy, and, ... -
Natural frequency estimation by using torsional response, and applications for wind turbine drivetrain fault diagnosis
Khazaeli Moghadam, Farid; Nejad, Amir R. (Journal article; Peer reviewed, 2020)A method based on torsional vibration measurements for a system-level condition monitoring of the drivetrain system is developed in this paper. The latter is tested by using a 10MW wind turbine drivetrain simulation model, ... -
Online condition monitoring of floating wind turbines drivetrain by means of digital twin
Khazaeli Moghadam, Farid; Nejad, Amir R. (Journal article; Peer reviewed, 2021)This paper presents a digital twin (DT) condition monitoring approach for drivetrains on floating offshore wind turbines. Digital twin in this context consists of torsional dynamic model, online measurements and fatigue ... -
Power train degradation modelling for multi-objective active power control of wind farms
Khazaeli Moghadam, Farid; Chabaud, Valentin Bruno; Gao, Zhen; Chapaloglou, Spyridon (Journal article; Peer reviewed, 2023)With the coming installation of hundreds of GW of offshore wind power, penetration of the inherent power fluctuations into the electricity grid will become significant. Therefore, the use of wind farms as power reserve ... -
Theoretical and experimental study of wind turbine drivetrain fault diagnosis by using torsional vibrations and modal estimation
Khazaeli Moghadam, Farid; Nejad, Amir R. (Peer reviewed; Journal article, 2021)This paper provides an analytical proof and the theoretical development of the idea of using the torsional vibration measurements for a system-level condition monitoring of the drivetrain system. The method relies on modal ... -
Wind power plant grid-forming control and influences on the power train and power system oscillation
Khazaeli Moghadam, Farid; Vrana, Til Kristian (Chapter, 2022)In future power systems, wind power plants are supposed to contribute in the voltage and frequency stability of the grid. For this purpose, the control strategy of the wind power-frequency converter system needs to change ... -
Wind turbine drivetrains: state-of-the-art technologies and future development trends
Nejad, Amir R.; Keller, Jonathan; Guo, Yi; Sheng, Shawn; Polinder, Henk; Watson, Simon; Dong, Jianning; Qin, Zian; Ebrahimi, Amir; Schelenz, Ralf; Guzmán, Francisco Gutiérrez; Cornel, Daniel; Golafshan, Reza; Jacob, Georg; Blockmans, Bart; Bosmans, Jelle; Pluymers, Bert; Carroll, James; Koukoura, Sofia; Hart, Edward; McDonald, Alasdair; Natarajan, Anand; Torsvik, Jone; Khazaeli Moghadam, Farid; Daems, Pieter-Jan; Verstraeten, Timothy; Peeters, Cédric; Helsen, Jan (Journal article; Peer reviewed, 2022) -
Yaw misalignment in powertrain degradation modeling for wind farm control in curtailed conditions
Khazaeli Moghadam, Farid; Gao, Zhen; Chabaud, Valentin Bruno; Chapaloglou, Spyridon (Peer reviewed; Journal article, 2024)A framework characterizing the degradation of wind turbines for use in multiple-input damage-aware farm control is suggested. The focus is on the fatigue damage of the powertrain (drivetrain + generator) system, but the ...