Modelling turbulence intensity within a large offshore wind farm

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Modelling the Vertical Wind Speed and Turbulence Intensity Profiles at Prospective Offshore Wind Farm Sites

Monin-Obukhov theory predicts the well-known log-linear form of the vertical wind speed profile. A turbulence intensity profile can be estimated from this by assuming that the standard deviation of the wind speed is proportional to the friction velocity. Two parameters, namely the aerodynamic surface roughness length and the MoninObukhov length, are than needed to predict the vertical wind spee...

متن کامل

Modelling of offshore wind turbine wakes with the wind farm program FLaP

The wind farm layout program FLaP (Farm Layout Program) estimates the wind speed at any point in a wind farm and the power output of the turbines. The ambient flow conditions and the properties of the turbines and the farm are used as input. The core of the program is an axis-symmetric wake model, describing the wake behind one rotor. Here an approach based on the simplified Reynolds equation w...

متن کامل

Wake studies around a large offshore wind farm using satellite and airborne SAR

2. STUDY SITES Abstract A method is presented for the mapping of wind speed over the ocean using satellite (ERS-2 SAR, ENVISAT ASAR) and airborne (E-SAR) synthetic aperture radars. Impacts of a large offshore wind farm on the local wind climate are described quantitatively from the radar measurements. Of particular interest is the magnitude and extent of wakes (i.e. regions of reduced wind spee...

متن کامل

A New Control Method for Smoothing PMSG-based Offshore Wind Farm Output Power

Nowadays, propagation of wind turbines make challenges to supply safe power to the grid. Because of wind speed changes, supervisors are concerned to wind turbines, be able to produce appropriate electric power during the wind speed changes. As a matter of fact, investors are mostly like to invest on offshore wind farms, because of their more stable and continuous wind speed rather than onshore ...

متن کامل

Fluctuations of offshore wind generation - Statistical modelling

The magnitude of power fluctuations at large offshore wind farms has a significant impact on the control and management strategies of their power output. If focusing on the minute scale, one observes successive periods with smaller and larger power fluctuations. It seems that different regimes yield different behaviours of the wind power output. This paper concentrates on the statistical modell...

متن کامل

ذخیره 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: Wind Energy

سال: 2019

ISSN: 1095-4244,1099-1824

DOI: 10.1002/we.2416