wind power r&d routes danish and european perspectives · 2017. 12. 19. · wind power...
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Wind power R and D routes - Danish and European perspectives
Hansen, Jens Carsten; Lundtang Petersen, Erik; Hummelshøj, Poul; Landberg, Lars; Mortensen, NielsGylling; Jensen, Peter HjulerPublished in:Proceedings (CD-ROM)
Publication date:2006
Document VersionPeer reviewed version
Link back to DTU Orbit
Citation (APA):Hansen, J. C., Lundtang Petersen, E., Hummelshøj, P., Landberg, L., Mortensen, N. G., & Jensen, P. H. (2006).Wind power R and D routes - Danish and European perspectives. In Proceedings (CD-ROM) Beijing: GWREF.
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Wind Power R&D RoutesDanish and European Perspectives
J.C. Hansen, E.L. Petersen, P. Hummelshoej,
L. Landberg, N.G. Mortensen and P.H. Jensen
Risø National LaboratoryWind Energy DepartmentDenmark
Great Wall World Renewable Energy Forum and ExhibitionBeijing, 25 October 2006
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Risø National Laboratory
A national laboratory under the Ministry for Science, Technology and Innovation
Risø total:700 employees 350 scientists
Wind Energy Dept.:115 employees
Systems AnalysisFuel cellsHydrogen storagePV polymer cellsBio EnergyMaterials
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Wind power development in Denmark
Denmark has >20% electric power supply from wind
January 2005 – 1076 GWH ~ 32% of total demand (41 % in western Denmark)
Offshore impact2005 = 423 MW = 4,6%2009 = 823 MW = 9,4%
Vision: 50% of power supply by 2025 Onshore market: 100 MW per annumOffshore market: 140 MW per annum (1 wind farm per 2 years)
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Danish Research Consortium for Wind Energy
Strategic Partnership for R&D, education and research-based servicesCoordinator:
- Risø National Laboratory - Wind Energy Department
Partners: - Technical University of Denmark (DTU)- Ålborg University (AAU)- DHI Water and Environment
Det Norske Veritas
Energi & Miljødata
Herning Teknikum
TripodDansk
Meteorologisk Institut
Dansk Maritimt Institut
Rambøll
Elsamprojekt
Andre
Risø
DTU
DHI
AaU
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StandardisationDenmark, CENELEC and IEC TC88
IEC(/ISO)
CENELEC (/CEN)
DS
Global
Europe
Denmark
TC88
TC88
S-588
Parallel voting
EU-harmon.
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DK
NetherlandsECN Energy Research Centre of the Netherlands
• DUWIND Delft University Wind Energy Research Institute
DenmarkRISØ National Laboratory
• Aalborg University• DHI Water & Environment• Technical University of Denmark
GreeceCRES Centre for Renewable Energy Sources
• Technical University of Athens• University of Patras
SpainCENER Centro Nacional de Energias Renovables
GermanyISET Institut für Solare
Energieversorgungstechnik• University of Kassel• University of Hanover• University of Oldenburg• University of Magdeburg• University of Stuttgart
United KingdomStrathclyde University
• Durham University• Manchester University• CCLRC• University of Surrey • Queen Mary College, University of London• Manchester Metropolitan University• Loughborough University
European Academy of Wind Energy
The Network
Nodal point• National partner
ENL
D
UKGR
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Research and Development Routes
• Concepts and components• Rotor aero-elastics and structural dynamics• Grid integration and control• Resource assessment, wake interference and design winds• Tests and measurements
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Concepts and components
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Photos: ELSAM A/S
Offshore is the technology driverHorns Rev 160 MW
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Example: Foundation concepts
Water depth (m) Concepts for wind turbine structure 0-10 Gravity based type 0-30 Mono pile type > 20 Tripod / jacket type > 50 Floating type
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State-of-the-art design and trendsIssue State of the art Future trends
Size D = 120 m H = 100 m P = 5 MW
D = 160 m H = 120 – 140 m P = 10 MW
O&M cost over lifetime
Costs correspond to up to approximately 50% of initial investment
Halving
Water depth 5 - 20 m 50 meter 200 m (floating structures)
Foundation types Gravity, mono-piles Gravity, mono piles, suction bucket, tripods, floating platforms
Rotor Tip speed 60 – 80 m/s 80 – 120 m/s
Acoustic noise Limited by tip speed Limited by active control
Structural design Passive Actively controlled for lower loads
Materials Chosen for strength Function, economy and LCA (Life Cycle Analysis)
Control system Separate WTG, Park Combined, wind power plant
Production forecast
Market requirement is 12 – 36 hours
Market requirement is 12 – 36 hours
Production strategy
Maximum energy Maximum revenue
Price of wind electricity
Various support schemes and compensation for CO2
Market price
Grid National grid International, island operation, storage
Transmission AC HVDC
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Rotor aero-elastics and structural dynamics
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Aerodynamics for wind turbines
Flow over complex terrain
Rotor aerodynamics
Rotor/Tower interaction
Wake aerodynamics
Airfoil Flows
Laminar/turbulent transition
Hysteresis phenomena, dynamic stall
Damping and stability
Aeroelasticity
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Aeroelastic tools
• HAWC• HAWCStab• HAWCModal• HAWCDamp
Cambell diagram
Deflected turbine during operation
Direction of vibration
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CFD modelling of wind turbinese.g. Deep stall aerodynamics
RANS
DES
Vorticity iso-surface around the 809 airfoil
QUICK CDS-4
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Detailed design analysis
Tip-design
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Rotor/tower interaction
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Grid integration and control
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Grid Connections at Nysted wind farm - 165.6 MW
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Wind farm controls as wind power plants
DFIG control
Power control loop Speed control loop
Wind turbine control
Measurement grid point
θ
ACDC AC
DC
I
genω
N
refgridP
refgridQ
measgridP
measgridP
measgridQ
refgridP
DFIG control
Measurement grid point
θ
ACDC AC
DC
I
genω
N
refgridP
refgridQ
measgridP
measgridP
measgridQ
refgridP
Win
d fa
rm c
ontr
ol
Nr. 1
Nr. 200
Power control loop Speed control loop
Wind turbine control
Status signals
Voltage and frequencyin PCC
Wind prediction
Market prices
Status signals
Active power reference
Reactive power reference
Active power reference
Reactive power reference
DFIG control
Power control loop Speed control loop
Wind turbine control
Power control loopPower control loop Speed control loopSpeed control loop
Wind turbine control
Measurement grid point
θ
ACDC AC
DC
I
genω
N
refgridP
refgridQ
measgridP
measgridP
measgridQ
refgridP
DFIG control
Measurement grid point
θ
ACDC AC
DC
I
genω
N
refgridP
refgridQ
measgridP
measgridP
measgridQ
refgridP
Win
d fa
rm c
ontr
ol
Nr. 1
Nr. 200
Power control loop Speed control loop
Wind turbine control
Power control loopPower control loop Speed control loopSpeed control loop
W i n d t u r b i n e c o n t r o l
Status signals
Voltage and frequencyin PCC
Wind prediction
Market prices
Status signals
Active power reference
Reactive power reference
Active power reference
Reactive power reference
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Balance control
• Balance control provides
• Balance control already implemented in Horns Rev
Power
Frequency
Pavail
fs÷ fs+fd÷ fd+
• Reserve can be utilised in frequency control (droop and deadband)
Pbal
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 100 200 300 400 500 600
Time [s]
Pow
er [p
u.]
PavailPbalPref,wf
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Simulation of Energy SystemsIntegration of large penetration of RE
Modelling of complete energy systems- Large RE-input, generators, loads, storage, thermal
and other bindings - Flexible configuration, spatial distribution - Bottlenecks in transmission- Power quality and stability- Control systems, distributed intelligence,
communication
Diesel EngineSynchronous Generator
LoadVoltageRegulato
r
Governor
Wind TurbineController
Wind Speed
Diesel GensetController
InductionGenerator
Gear Box
Wind Turbine Rotor
SupervisoryController
DumpLoad
Controller
Dump Load
Wind TurbineController
Wind Speed
InductionGenerator
Gear Box
Wind Turbine Rotor
Diesel EngineSynchronous Generator
VoltageRegulato
r
Governor
Diesel GensetController
Diesel EngineSynchronous Generator
VoltageRegulato
r
Governor
Diesel GensetController
Bus 1
Bus 3
Bus 2
IPSYS
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Resource assessment, wake interference and design winds
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Resources: Wind Atlases
Links
• www.wasp.dk
• www.waspengineering.dk
• www.windatlas.dk
• www.mesoscale.dk
• www.prediktor.dk
• www.risoe.dk
• www.risoe.dk/vea
• www.risoe.dk/vea-data
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WAsP wind resources, production estimation and siting
The industry-standard Wind Atlas Analysis and Application Program
More than 1700 users in over 100 countries use WAsP for:
o Wind data analysiso Map digitisation &
editingo Wind atlas generationo Wind climate
estimationo Power production of
WTG’so Micro-siting of wind
turbineso Wind farm productiono Wind farm efficiencyo Wind resource mapping
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Wind Atlas for Egypt New wind resource maps
• Predicted wind climate
• Mean wind speed50 m a.g.l. [ms-1]
• 7 speed classes
• KAMM modelling
• Resolution 7.5 km
• NCEP/NCAR data
• SRTM30 elevation
• GLCC land cover
• Terrain features may give higher wind speeds locally!
• Output formats:- map graphics- statistics. …
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Flow in large-scale wind farms
Prevailingwinds
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WAsP Engineering Modelling of design wind conditions
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Tropical CyclonesTyphoon tracks
Parts of tracks with Vmax > 50 knots shown
2004
1977-2004
China
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Tropical CyclonesNW Pacific extreme wind atlas
China
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Tests and measurements
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Test Station for Large Wind Turbines at Høvsøre
Coastal, flat terrain5 test positionsMax. 10 MWMax. height 165 m
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Test Station for Large Wind Turbines at Høvsøre
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Remote Sensing Technologies – SODAR & LIDAR
SODAR = SOund Detection And RangingLIDAR = LIght Detection And Ranging
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Measurements, sensor technology, data collection
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UPWIND the largest EU wind energy research project
• Main objective: cost optimisation of the future types of large wind turbines (10-20MW)
• 39 partners (coordinated by Risø), 23 mio Euro (EU support: 14.3 mio Euro), 5 years
• Integration of research with industry design and standards, metrology, fiberblades, transmission/conversion, smart rotor blades and upscaling as wellas aiming at,
• Research topics- Aerodynamics & aeroelastics- Rotor structure and materials- Foundations and support structure- control systems- remote sensing- flow- electrical grid
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Denmark is Wind Power Hub
123 members
home of half of the wind turbine industry for decades, including a large number of sub-suppliers, contractors and consultants