Companies kick off 'Wake Effect' project using real-time data

In: Windfarms
CrossWind, a consortium of Shell and Eneco, alongside TU Delft, Siemens Gamesa Renewable Energy and GROW Foundation, have started the work on the “Dynamic Wind Farm Flow Control” project.  The project focuses on reducing the wake effect by using real-time data.

The wake effect describes how wind can slow down after hitting a turbine, affecting those turbines situated further away. The project will develop and implement two technologies: “closed-loop active wake steering” and “HELIX active wake mixing”. The wake steering involves the yaw control of the individual turbines, which will divert the wake, so it does not impact the next wind turbine. The wake mixing technology involves letting one turbine turn quicker, which leaves more wind for the turbine behind it.

The project will take place at CrossWind's
Hollandse Kust Noord wind farm. The project is expected to be operational by 2023, with an installed capacity of 759 MW, generating at least 3.3 TWh per year. The wind farm will be located 18.5 km off the Dutch coast, near the town of Egmond aan Zee.

“I’m very excited to work with TU Delft, SGRE, GROW, and all involved partners on unleashing the full potential of Dynamic Wind Farm Flow Control project. This project is part of CrossWind’s innovation plan that will demonstrate five effective solutions for improving the flexibility and reliability of power supply of Hollandse Kust Noord and future wind farms,”
said Maria Kalogera, CrossWind’s Innovations Manager.

Six PhD students and two postdoctoral researchers will be working on the project. It will be executed over several phases, which includes initial desktop and computational studies, wind tunnel experiments, an onshore research wind turbine experiment, and the technologies will eventually be implemented in one of the SG 11.0-200 DD wind turbines supplied by SGRE. Finally, the potential impact of the full roll-out of these technologies across the entire wind farm is researched, as well as how these technologies could impact the design and power production of future wind farms.

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