Browsing NTNU Open by Author "Keller, Jonathan"
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Effects of floating sun gear in a wind turbine’s planetary gearbox with geometrical imperfections
Rasekhi Nejad, Amir; Xing, Yihan; Guo, Yi; Keller, Jonathan; Gao, Zhen; Moan, Torgeir (Journal article; Peer reviewed, 2015)This paper addresses the effect of gear geometrical errors in wind turbine planetary gearboxes with a floating sun gear. Numerical simulations and experiments are employed throughout the study. A National Renewable Energy ... -
Effects of wind field characteristics on pitch bearing reliability: a case study of 5 MW reference wind turbine at onshore and offshore sites
Rezaei, Ashkan; Guo, Yi; Keller, Jonathan; Nejad, Amir R. (Peer reviewed; Journal article, 2023)This paper presents a study on pitch bearing basic rating life affected by wind field characteristics at both onshore and offshore wind sites. The National Renewable Energy Laboratory 5 MW reference wind turbine is selected ... -
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)