A note of wind engineering: Describing tower pre-assembly work at quayside for offshore wind turbine
نویسندگان
چکیده
منابع مشابه
Wind Turbine Tower Resonance
Wind turbine towers are large structures designed to withstand the unique loading conditions imposed on them by the turbine’s nacelle and dynamic forces from the rotating blades. Observations and noise measurements of a particular wind turbine showed high noise levels at approximately 48 Hz, which could not be explained from the usual known potential noise sources. Correlated far field noise me...
متن کاملExperiments on Fairing Design for a Wind Turbine Tower
An aerodynamic fairing can reduce the effects of the wind turbine tower wake on the blades of a downwind rotor. Previous studies on fairing design have focused on idealized conditions and time-averaged drag reductions, whereas this is the first study to obtain and analyze unsteady velocity field data in the wake of minimum drag fairings at non-zero angles of attack, specifically designed for wi...
متن کاملWell-posedness and controllability of a wind turbine tower model
We derive a model for a wind turbine tower in the plane of the turbine blades, which comprises an Euler–Bernoulli beam coupled with a nacelle (rigid body) and a two-mass drive-train model (with gearbox). This model has two possible control inputs: the torque created by the electrical generator and the force created by an electrically driven mass located in the nacelle. First, we consider the ca...
متن کاملOffshore Wind Turbine Tower Fore-Aft Fatigue Load Reduction by Coupling Control and Vibrational Analysis
The present study proposes a novel tower-control technique that couples linear control feedback theory with an online time-frequency analysis of the tower vibrations, with the aim to widen the research area of situational control of wind turbines. Numerical simulations were conducted for two 5MW-class offshore wind turbines, and the performance of the proposed control method has been tested in ...
متن کاملSynthesis with Pole Placement Constraints for Offshore Wind Turbine Systems
The problem of robust H∞ dynamic output feedback control design with pole placement constraints is studied for a linear parameter-varying model of a floating wind turbine. A nonlinear model is obtained and linearized using the FAST software developed for wind turbines. The main contributions of this paper are threefold. Firstly, a family of linear models are represented based on an affine param...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Energy Reports
سال: 2020
ISSN: 2352-4847
DOI: 10.1016/j.egyr.2019.11.122