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X-ROTOR: X-shaped Radical Offshore wind Turbine for Overall cost of energy Reduction

Deliverables

Final holistic assessment of potential X-Rotor economic impact

The potential regional economic impact on at least 3 potential host communities will be examined.

Final system-wide assessment on impact on jobs

This deliverable comprises of a report on the job creation potential of the X-Rotor offshore wind turbine. It will be considered successful once the report is complete detailing the potential direct and indirect jobs created by the X-Rotor offshore wind turbine.

Environmental noise assessment

Environmental noise assessment of a hypothetical operating X-rotor turbine. The assessment will describe how noise is likely to propagate from a full-scale turbine operating out at sea which could be used for future development of the turbine or in a potential siting assessment.

Year 2 report on workshops design recommendations

This deliverable will detail the workshop methodology used provide a summary of the feedback received from both Group 1 and Group 2 and provide recommendations for the development of the XROTOR concept

3D CFD simulations of noise from a full X-Rotor concept

3D CFD simulations of noise from a full X-Rotor concept. Using input data and boundary conditions at the subcomponent level, the interaction between the subcomponents will be simulated to provide a noise assessement for a entire operating X-rotor turbine.

General comms. material development

Report on all communication plans and materials to be developed for the XRotor project Successful once delivered by Strathclyde and UCC to the project coordinator andor the executive management group

X-Rotor Design Review Report

Annual report on X-Rotor project and design review progress. This deliverable will be considered successfully complete when the report on the annual design workshops from D9.2 is made available to the Executive Management Group members or on the project website.

Field work data and methodology

Final deliverables cannot be defined at this stage Ideally we would give a number of birds number of species to tag However this will be a function of the work in D710

Detailed design

The aim of the detailed design deliverable is for NTNU to document a final design that is considered best possible, according to the specific assumptions and methods described in the design basis deliverable D5.1. It is an output of Task 4.6, using methods developed in Task 4.5 to further optimize the Xrotor turbine, using the design documented in the preliminary design deliverable D5.2 as starting point. A higher-fidelity model will be used, so that some of the assumptions made during the preliminary design will be refined, in order to obtain more accurate performance and cost estimates. The deliverable will be provided as a report that documents the final design and the improvements beyond the preliminary design.

Environmental and H&S overview

Report on the possible harm to the environment caused by the research if any and the measures that will be taken to mitigate the risks Report must also include appropriate health and safety procedures conforming to relevant localnational guidelineslegislation are followed for staff involved in this project Successful once delivered to the project coordinator andor the executive management group

Mid term comms. & dissem. report

Report on all communication and dissemination activities from the first half of the project as well as details of communication and dissemination activities for the second half of the project Successful once delivered by Strathclyde and UCC to the project coordinator andor the executive management group

Scaled rotatory transformer models, design and control

A feasible design of a rotary transformer capable to handle the MW power transfer requirement of the XROTOR is designed The deliverable includes a detailed specification of the rotatory transformer including parameters such as operating frequencies current density windings area airgap length and others The efficiency will be quantified and compared with a slipring based case for similar power transfer applications A unique and novel control logic for the power electronics in the rotatory transformer to achieve maximum efficiency across the operating range of the XROTOR is included

Control simulation model of X-rotor concept

A simulation model of the Xrotor concept constructed using MATLABSimulink and suitable for controller analysis and design is to be delivetred This model is to be validated with respect to the aeroelastic models developed in WP3

Control design models of X-rotor concept

A set of linear models at a series of operating points covering the full operational strategy D41 is to be delivered They are to be obtained by linearising the highly nonlinear simulation model D42

Procedures and criteria for identifying and recruiting research particpants

Strathclyde to collate all templates of the informed consent/assent forms and information sheets in a short report. Successful once delivered to the project coordinator and/or the executive management group.

CoE of existing turbines modelled and compared to X-Rotor CoE

The full cost of energy of a the XROTOR Concept will be benchmarked against comparative values for at least 3 conventional horizonal axis wind turbines.

Results of multibody analysis

Brief Description A dynamic elastic model of the primary rotor will be created using multibody analysis software Measure of success The results in the deliverable will enable a close comparison with the aeroelastic code created in WP2 and will be considered successful if the multibody analysis leads to a detailed knowledge of the dynamic response of the wind turbine

Descriptions of Group 1 and 2 and methodology used to identify and convene

Group 1 (Host Communities) will be comprised of at least 50 members from at least 5 different communities. Group 2 (Wider Wind Energy Community) will be comprised of at least 50 members from at least 5 relevant sectors.

Design basis

The design basis deliverable is the main output of Task 42 The aim is for NTNU to collect and document all information that is needed to develop a design of the full Xrotor wind turbine for a relevant site It will specify the rules that will be used to assess the safety and performance of the design and where necessary identify which assumptions are made and the rationale behind them It will be developed in consultation with all partners based on previous design experience and relevant literature The deliverable will be provided as a report and will be shared with all partners

Definition of dissemination activities

Report detailing definition and plans for all project dissemination activities Successful once delivered by Strathclyde and UCC to the project coordinator andor the executive management group

Output of attribute matching

The top 80 of attributes from the survey will be assessed for their relevance to the XROTOR technology

Periodic Status Report

Report detailing full project progress from Year 1 Successful once delivered to the project coordinator andor the executive management group

Secondary rotors and power train (generator plus converter) design

An enhanced power takeoff system that accommodates the unique features of the XROTOR turbine and provides full freedom of choice of operating strategy is designed and performance verified in digital simulations The expected target for the combined efficiency of the generator and power electronics subsystem is 95 This includes selecting the proper generator and converter technology and identifying the necessary specifications of all associated components including power quality control and performance

Definition of operational strategy

The full-envelope operational strategy for the X-rotor is to be fully specified in this task. For all wind speeds, the rotational speeds of the primary and secondary rotors, the torques of the primary and secondary rotors and the pitch angle of upper blades on the primary rotor are to be defined such that that the constraints on the rotational speed of the generators, tip speeds and structural loads are met.

Comparison of CFD computations and experimental results

Brief Description: In this deliverable CFD high fidelity computations of the XROTOR concept will be performed to support and validate the wind tunnel experiments. Measure of success: The results in the deliverable are a comparison of computations with the wind tunnel tests performed in WP2. The accuracy of the comparison will reveal robust computations and experiments.

Year 3 report on workshops and design recommendations

This deliverable will detail the workshop methodology used, provide a summary of the feedback received from both Group 1 and Group 2 and provide recommendations for the development of the XROTOR concept.

Literature review on sea birds

The literature review on species specific collision risks will cover at least 20 years of research and will include at least 10 individual pieces of research.

O&M costs for X-Rotor modelled

This report will include an overview of the OM cost model created for modeling XRotor OM costs as well as detail the OM cost results and assumptions The deliverable will be considered complete once a report is produced detailing how an OM model was adjusted to represent the unique configuration of the XRotor turbine and its OM cost results compared to existing offshore turbines

Year 1 report on workshops design recommendations

This deliverable will detail the workshop methodology used provide a summary of the feedback received from both Group 1 and Group 2 and provide recommendations for the development of the XROTOR concept

Development of main results material

Report on plan for final results communication and dissemination Successful once delivered by Strathclyde and UCC to the project coordinator andor the executive management group

Final survey design and methodology

The final survey will include details of at least 12 potential purchasing decision influencing attributes of offshore wind turbines

Preliminary design

The aim of the preliminary design deliverable is for NTNU to develop and document a feasible overall design of the Xrotor wind turbine that fulfills the requirements documented in the design basis deliverable D51 It is the main output of Task 44 but will be developed in close collaboration with WP3 WP4 and WP6 NTNU will integrate results from the relevant tasks in these WPs into a model that will be used to check the safety and performance of the design with computer simulations and will perform optimization based on expert knowledge and straightforward computer searches The deliverable will document the chosen design and its performance in the form of a report The computer model and simulation data will additionally be available in computerreadable form

Design verification study

The design verification study deliverable aims to assess and document the safety of the final design from D5.3 according to internationally accepted standards and rules, i.e., in a form that is relevant for eventual uptake by industry, and to provide solutions for design details that go beyond the requirements of the design basis D5.1, but which are important for further work in WP8 on manufacturability and the commercial potential of the concept. It is an output of Task 4.6, and will be based on additional simulations and detailing work performed by NTNU. The deliverable will be provided as a report that summarizes the work. Drawings and data referenced in this report will be provided to project partners in a computer-readable form.

Monthly Report

One page monthly overview on project progress created by Strathclyde and reviewed by GE. This deliverable will be considered successfully complete when the overview is reviewed by GE and emailed to the project coordinator.

Periodic Status Report 2

Report detailing full project progress from Year 2 Successful once delivered to the project coordinator andor the executive management group

X-Rotor performance and loading evaluation report

XRotor performance and loading evaluation report This report will provide a detailed assessment of a number of potential fullscale machines which could be used for a future prototype

Aero-elastic dynamic model

An aeroelastic dynamic model of the Xrotor turbine This should be capable of simulating the Xrotor concept in sufficient detail to understand its performance and loads

X-Rotor Development Workshop

Annual workshop delivered to obtain industrial input on project development. This deliverable will be considered successfully complete once the workshop is held each year. The workshop report will be delivered as part of deliverable 9.6.

CoE of X-Rotor Concept modelled

A full cost of energy model of the XROTOR Technology will be delivered which will consider the full lifecycle cost of the technology along with lifetime generation capacity.

Project website set up

Website and social media pages set up, with the option of going live in M3 or once more project content is created. The website will include at least the following pages: Home, Research Program, Deliverables, News, Become a stakeholder, Contact Us.

Inform data subjects of the existence of profiling

If profiling occurs, data subjects will be informed of the existence of the profiling, its possible consequences and how their fundamental rights will be safeguarded.

Data Management Plan 2

Data management plan with type ORDP for the second half of the project put in place explaining how all of the data the project intends to process is relevant and limited to the purposes of the research project in accordance with the data minimisation principle Successful once delivered to the project coordinator andor the executive management group

Data Management Plan 1

Data management plan with type ORDP for the first half of the project put in place explaining how all of the data the project intends to process is relevant and limited to the purposes of the research project (in accordance with the ‘data minimisation ‘principle). Successful once delivered to the project coordinator and/or the executive management group.

Publications

A review of operations and maintenance modelling with considerations for novel wind turbine concepts

Author(s): Jade McMorland, Callum Flannigan, James Carroll, Maurizio Collu, David McMillan, William Leithead, Andrea Coraddu
Published in: Renewable and Sustainable Energy Reviews, Issue 165 112581, 2022, ISSN 1364-0321
Publisher: Elsevier BV
DOI: 10.1016/j.rser.2022.112581

Operations expenditure modelling of the X-Rotor offshore wind turbine concept

Author(s): Callum Flannigan, James Carroll, William Leithead
Published in: Journal of Physics: Conference Series, Issue 2265 032054, 2022, ISSN 1742-6588
Publisher: Institute of Physics
DOI: 10.1088/1742-6596/2265/3/032054

Aerodynamic modelling of a novel vertical axis wind turbine concept

Author(s): Laurence Morgan and William Leithead
Published in: Journal of Physics: Conference Series, Issue 2257 012001, 2022, ISSN 1742-6588
Publisher: Institute of Physics
DOI: 10.1088/1742-6596/2257/1/012001

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