4Subsea adds IoT sensors on Zefyros turbine to prove cost reduction potential with Digital Twin

4Subsea has installed advanced, retrofit sensors on floating turbine Zefyros to prove cost reduction potential with a Digital Twin.

The project aims to prove significant cost reduction potential in offshore wind by using a Digital Twin of the substructure to measure actual loads and fatigue on the turbine.

4Subsea has delivered digital decision support with Digital Twins to the oil and gas industry for years, and because of the many similar challenges with soil support, scouring, corrosion, and fatigue, it can utilise modified versions of the algorithms, AI agents, and trained models to e.g. extend lifetime of substructures, predict cable repair/replacement, and reduce production downtime with anomaly detection.

4Subsea has developed a new generation of sensors for structural integrity and performance monitoring of offshore wind turbines.

Different technology components from fish telemetry, micro drones, and telecom have been combined in order to make a solution dedicated for subsea assets in oil and gas and now for offshore wind turbines.

The sensor package combines a 6-axis IMU and 4 strain sensors for monitoring of wind turbine towers and substructures. Sensor data will be combined with weather information and other data sources.

The main goal of the project is to analyse the potential for reducing LCOE in the offshore wind industry.

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