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Digital Twin Technology

Life-cycle Engineering Asset Management

Figure 1. Digital twin representation of an offshore wind turbineInternational research and engineering solutions company TWI Ltd has set its sights on harnessing digital twin technology to transform the process of monitoring and maintaining offshore wind turbines. TWI has built up its knowledge in the structural health and condition monitoring of wind turbines in recent years as a result of its participation in a number of European and UK collaborative projects, including CMSWind, WTBMonitor and TOWERPOWER.

By Ángela Angulo, Senior Project Leader, TWI Ltd, UK

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Smart Electricity Storage

Ramboll fig 1District Heating and Cooling with Thermal Storage – A Virtual Battery

Wind energy is becoming a dominant renewable source, providing energy for consumers of electricity, heating and cooling. Unfortunately, few consumers can use the energy directly as the wind blows. We need storage, to avoid loss of energy.

By Anders Dyrelund, Senior Market Manager, and Søren Møller Thomsen, Energy Planner, Ramboll, Denmark

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Asset Integrity Management for Wind Turbines

Using Probabilistic Remaining Useful Life Models to Optimise Wind Turbines

Intertek Fig1Wind turbine asset management is complex, but essential to maximise profits and maintain life cycle costs. The complexity arises for several reasons, including rapid technology development, complex supply chains and constrained infrastructure, remote locations and, more generally, lack of detailed failure data. The goal of asset management is to effectively manage corporate assets to gain maximum value, profitability and returns while safeguarding personnel, the community and the environment. A true asset integrity management programme incorporates design, maintenance, inspection, process, operations and management concepts, since all these disciplines affect the integrity of infrastructure and equipment.

By Nikhil Kumar, David L. Rogers and Philip Besuner, USA

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The wind2hydrogen Research Project

A Pilot Plant for the Production of Renewable Hydrogen

Figure 1 ZaunerThe pilot plant built within the course of the wind2hydrogen (w2h) research project is the first of this size in Austria and is unique of its kind. The main differences from other projects lie in the chosen type, design and control of the electrolyser as well as the possibility to provide multiple markets with renewable hydrogen. Current and future business cases are simulated in experimental operation from the perspective of the public power grid and the gas grid operator. With this comprehensive approach, reliable statements on the boundary conditions of the power-to-gas technology and future requirements for economic feasibility are expected.

By Andreas Zauner and Robert Tichler, Energieinstitut an der Johannes Kepler Universität, Austria

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Producing an Optimal DFIG Converter for the Indian Market

Development, Validation and Certification of Ingeteam’s Power Converter in Suzlon’s S11x Wind Turbine


Ingeteam Figure 1 Left Ingeteam Figure 1 Right

During the last 20 years, wind power’s share in electricity generation has substantially grown, making the power quality and stability of wind systems increasingly important. Consequently, the grid codes (which establish the requirements that all generation systems must fulfil in order to be allowed to connect to the grid) have been updated in order to guarantee the stability of the grid. Until the recent past, wind turbines were allowed to disconnect from the grid when transient changes in grid voltage might jeopardise the integrity of their elements, especially the power converter. However, nowadays, this is no longer allowed. Moreover, the turbines must also support the grid with active and reactive current during these transient conditions.

By Aritz Lorea, Product Manager, Wind Business, Ingeteam Power Technology, Spain

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TwingPower High Altitude Wind Energy System

Mobile Wind Energy with Tethered Wings for Off-Grid Applications

Twingtec 1TwingTec is currently working on new wind energy technology that has the potential to unlock so far unused wind energy resources. The concept relies on a tethered wing which flies like a kite to harness the energy of wind. This enables access to winds at higher altitudes, which are typically stronger and more constant. No tower or foundation is needed, leading to an order of magnitude mass reduction compared to conventional wind turbines. The system can be containerised allowing for easy deployment. A first prototype has been built and tested. A product concept for a 100kW mobile wind energy system has been developed which addresses the needs of the off-grid market. Long-term systems in the megawatt range could contribute significantly to the global energy market.

By Dr Rolf Luchsinger, Co-founder & CEO, TwingTec AG, Switzerland

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Taking Inspiration from the Hummingbird

TYER Wind’s Wind Converter

Tyer wind fig 1The TYER Wind vertical axis wind converter harnesses wind power using flapping wings that perfectly mimic the motion of one of the most energy-efficient birds: the hummingbird. Invented by Anis Aouini, the technology is a radical solution inspired by nature and turns out to be efficient, eco-friendly and perfectly scalable. No rotating blades; just flapping wings that convert wind power into green electricity thanks to their revolutionary 3D Aouinian kinematics.

By Anis Aouini, Inventor, Co-founder & Chairman of TYER Wind, Tunisia

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