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HiDrive - A direct drive PTO for resonant Wave Energy Converters

Programme

Power Take Off

Status

Completed

Stage

3

Lead contractor

CorPower Ocean AB

Sub-contractor(s)

Iberdrola Engineer & Construction
The European Marine Energy Centre Ltd
University of Edinburgh

Overview

This project aimed to deliver a highly reliable PTO solution using innovative Cascade rack and pinion gearbox technology offering a step-change improvement in performance and cost to the wave energy sector.

The unique PTO technology has been taken through the next step of structured verification, guided by best practice support from EMEC, the experience from offshore power generation company Iberdrola Engineering and by the expertise in cost modelling of University of Edinburgh. An advanced Hardware-in-the-loop test rig was developed for dry verification of PTOs on-land, significantly de-risking the following ocean testing of the HiDrive technology.

CorPower Ocean tested their C3 wave buoy in Orkney during 2018 following extensive dry testing in Sweden.

At the 2018 WES Annual Conference CorPower shared the experiences and some of the lessons which can be learnt to help other developers achieve success more easily. The presentation is available to download here.

Stage 3

June 2018

The primary purpose of the HiDrive project was to reach a reliable and proven PTO design that can produce energy at low cost and survive the conditions at any potential wave energy site in European waters. The CorPower Ocean PTO was built into a buoy type point absorber and attached to the sea bed with a taut leg mooring.

CorPower completed testing of their device at the European Marine Energy Centre, Orkney in 2018 following an extensive testing and commission programme. 

This report outlines the project scope of work and achievements, along with links to more information on the technology. 

 

Where to next?

Explore our other programmes, or find out more about how we operate.

Power Take Off

This programme supported a wide range of Power-Take Off systems that each proposed a step change in the capital cost and/or efficiency/performance over current technology.

Wave Technology

Explore the technology development programmes we have run at Wave Energy Scotland.

About Wave Energy Scotland

Wave Energy Scotland was created by request of the Scottish Government. Discover our purpose, our procurement model and more about our team.

Contact

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