Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Floating Power Plant:

A Brief Introduction and Discussion of R&D

Sarah Bellew

Floating Power Plant,

Denmark

27th November 2014

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Floating Power Plant

We have developed the world’s only

offshore-proven, grid-connected wind and wave

power plant.

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

FPP’s P37 Test Platform

Disconnectable

3

Video

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Smoothed Power Output

Video

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Where to deploy the commercial devices?

Current focus Area of interest

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

FPP: From P37 to P80

P37 Site-Specific Design

P80 Designed for Probable

Commercial Sites 80 m wide

Min water depth 45 m

up to 2.6 MW wave power up to 5 MW Wind

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

TRL is very linear

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Scaled up Approach – The Way We Develop

8

Concept tests

Commercial Prototypes

& Small Arrays

Large scale P80 commercial

arrays

Design Optimisation

Numerical modeling

& engineering

Commercial wave-basin and

wave-flume tests

4 Scaled p37 offshore tests

Dry tests

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

9

1) Floater – Waves – PTO – stationary platform

2) Platform - mooring – wind turbines

3) Structural

4) Platform including WECS and mooring - Vaning due to current and waves

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

Intro 10

1) Floater – Waves – PTO – stationary platform a.

b.

c.

In partnership with Fritz

Schur Energy

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

11

1) Floater – Waves – PTO – stationary platform

2) Platform - mooring – wind turbines

3) Structural

4) Platform including WECS and mooring - Vaning due to current and waves

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

12

2) Platform - mooring – wind turbines

HAWC2-WAMIT coupling

• In partnership with DTU-Wind Energy (formerly Risø)

• Excludes WECs and their PTOs

Aerodynamic model: wake expansion, swirl, dynamic inflow, skew inflow, shear effect on induction

Structural Model: includes flexible rotating bodies which include masses, and inertial, centrifugal and gyroscopic forces.

Control Model

Hydyrodynamic Model: DLL interface to WAMIT

Mooring Model: Fully dynamic

&

6

7

4

5 3

1 2 &

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

13

1) Floater – Waves – PTO – stationary platform

2) Platform - mooring – wind turbines

3) Structural

4) Platform including WECS and mooring - Vaning due to current and waves

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

14

3. Structural

• Finite Element • Fatigue Analysis • Stress and Strains • Materials reduction Two stages: 1. Overall Structure 2. Key Components

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

15

1) Floater – Waves – PTO – stationary platform

2) Platform - mooring – wind turbines

3) Structural

4) Platform including WECS and mooring - Vaning due to current and waves

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Sub project “Numerical models”

16

4) Platform including WECS and mooring - Vaning due to current and waves

Turning Moments from Waves VS Turning Moments from Current

Need: 1. Wave:

a) Distribution of force within chamber and on hinge due to WEC operating

2. Current a) Cross Section at different

angles b) Drag Coefficient

Drag Force

Turning Moment

Ocean Energy ERA-NET European Energy Research Area – Ocean Joint Programme

27th November 2014

Sarah Bellew Floating Power Plant

Key Areas for Development in UK for FPP

• Classification

• Certification

• Due Diligence

• Environmental Data Gathering

• Value Chain Development

• Confidence in the industry!