Post on 09-Aug-2020
K St tKen Street - Business Development Director
Orecon’s 1 5MW MRCOrecon s 1.5MW MRC – a wave energy device for a 25 year commercial life
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Orecon in BriefOrecon in Brief• Established 2002
CORNWALL
• Established - 2002• Venture capital investment - 2008• Team of 10 based in Cornwall
Bodmin
• Team of 10 based in Cornwall• Device developer• OWC technologyOWC technology• Full scale deployment Portugal -
Spring 2011
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Steps to a commercial deviceSteps to a commercial devicePTO and Auxiliary Systems
E i t & S li l tiR&D
• Device type • Equipment & Supplier selection• System Testing
• Device type • Tank Testing• W2WM
Survival• Structural loads
C ti
Performance• Operation & Maintenance• Scale
PTO• Reliability• Availability• Coatings
• Moorings• Standards - DNV
Scale• Yield
Availability• Maintainability
Learning Rates• Construction - (Capex)• Performance – (Yield)
Stable Platform
Commercial DeviceCompetitive Cost of Powerp
Oscillating Water Column (OWC)Oscillating Water Column (OWC)
Equipment & Supplier selectionEquipment & Supplier selection• Sub-contractors leaders in their fieldSub contractors leaders in their field
– DNV – Third party audit & certification– BPP-Tech – naval architecture– Tension Technology International – mooring design– Converteam – power system, control, grid integration– Dresser-Rand - turbines
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HydroAir™ Exclusive AgreementHydroAir™ - Exclusive Agreement• Shoreline• Shoreline
– Breakwater– CliffCliff
• Deepwater– MRC
Confidential
HydroAir™ - Variable Radius Turbine (VRT)HydroAir - Variable Radius Turbine (VRT)
Rotor• Designed for OWCs RotorFixed guide vanes
Designed for OWCs• Impulse• Fixed geometryFixed geometry• Only rotor moves• High efficiencyg y• Wide operating band• Slow speed• Self starting• No stall condition
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HydroAir™ out performs WellsHydroAir™ out performs Wells
Confidential 8
PTO TestingPTO TestingComplete PTO system –W t G id t ti t ¼ l
More than 400hrs of Wave to Grid testing at ¼ scale. compliant power supplied
into the national grid
Confidential 9
R&D EvolutionR&D Evolution
• 30 scale models• 3500 runs• 1050 tank hours
• Reduced massReduced cost• Reduced cost
• Increased efficiency• Increased yield• Easier to build• Easier to build• Easier to install
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Simplicity = ReliabilitySimplicity = Reliability
M lti R t Ch b W t li• Multi Resonant Chamber• 1.5MW, 33kV, 50/60Hz
Steel structure
Waterline
• Steel structure• Tension moored• All maintenance onboard• All maintenance onboard• 25 year design life• Environmentally passiveEnvironmentally passive• DNV certification
Tension mooring
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Basic LayoutTurbine/Generator
Basic Layout
Machinery Space
Front Chambers
Rear Chamber
Wave to Wire Model (W2WM)Wave to Wire Model (W2WM)
C f• Compare performance
• Check effect of control changeschanges
• System upgrades
• Fault finding
• What’s important and what’s not?
• Better yield predictions
But.........CALIBRATE - VERIFY and then do it again!
• Reduce R&D costs
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and then do it again!
EnvironmentalEnvironmental• Noise - turbine is low speed p
low noise
• No biocides - silicone based
MRC seen from 5 miles (8km)
marine coatings eliminates chemical leaching
• Entrapment No risk to• Entrapment - No risk to marine life
• Life time deployment - device p yis maintained on station for minimum disruption
1425/02/2009
Portugal Orecon & EneolicaPortugal – Orecon & Eneolica 2009 2010 2011 2012
MOU signedMRC 1 construction MRC 1 install & test 1.5MW
4.5MW
MRC 2&3 construction
MRC 2&3 install
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construction
Orecon PrioritiesOrecon Priorities • Demonstrate survivalDemonstrate survival
• Demonstrate reliability
• Trial deployment• Trial deployment
• Final validation of W2WM Perfect Storm – worst case scenario!
• Trial Operation & Maintenance routines
• Demonstrate at commercial scale
• Inform the design for units 2 & 3
• Inform future designs
Titanic – expect the unexpected!
Learn - Understand - Improvep p
FinallyFinally ....
A wave energy device for 25 years operationA wave energy device for 25 years operation
Is it feasible?
We believe the answer is YES.
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Road to DNV certificationRoad to DNV certificationConcept review
Preliminary design – stage 1 Statement of Feasibility
Detailed design
Preliminary design – stage 2
Fitness for Service Statement
Fabrication & Assembly Surveillance / Survey reports
Offshore installation
Testing / Commissioning Prototype Readiness Statement
Prototype Certificate
Operation & maintenance Type Certificate (conditioned)
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Array operation Prototype Certificate
Tank Testing S i l & P fTank Testing - Survival & Performance
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