1

Slide 1

Deutsche WindGuardWindGuard North America

Varel / Berlin /Bremerhaven, GermanyGoderich, Canada

info@windguard.de www.windguard.de

Test- and Calibration Laboratory with Quality Management System according to EN ISO/IEC 17025:2005

Slide 2

Company profile

business start: 2000-12-01number of staff members: 50high qualified staff (physicists, engineers, technicians) with long year experience in wind engineering and R&Dworking fields: services in wind engineeringarea of activities: worldwide Varel, Berlin, Bremerhaven, Godrich(Ont. Kanada)

Deutsche WindGuard GmbH

Deutsche WindGuard Dynamics, Berlin

Deutsche WindGuard Wind Tunnel Services,

Varel

Deutsche WindGuard Consulting, Varel

Deutsche WindGuard Engineering, Bremerhaven

WindGuard North America,Kanada

Deutsche WindGuard Knowledge , Bremerhaven

2

Slide 3

Accreditation

Quality Management System according to DIN EN ISO/IEC 17025:2005Test laboratory for„Wind turbine power curve testing“,„Wind Measurements” and„Energy Yield Prediction”by German Accreditation Office (DAP), Berlin;Under progress: „Inspection of wind turbines“Calibration laboratory for „DKD-Calibration of wind speed measurement sensors“by German Calibration Office (DKD), Braunschweig

MEASNET-Accreditation for „Wind turbine power curve testing“ and ”Anemometer Calibration”

Slide 4

Scope of Services in the different areas of wind energy

Planning and developmentTender / contract consultingDue diligence & banks engineeringFeasibility studiesEnergy yield assessmentsWind measurements

Wind tunnel centreAnemometer calibrationStudiesPolitical consulting

Manufacturing & Installation

Aerodynamics & researchDynamical Optimisation

Commissioning / Technical inspectionsWT Performance testing

Wind farm operationTechnical managementTechnical inspections & tests ZOP/WPTechnical OptimisationData services

Research & Studies

3

Slide 5

Clients

Planning and developmentProject developerInvestorsBanksFinancersForeign aid organisations

Federal ministriesProject aganciesForeign aid organisationsTurbine manufacturerProject developer

Manufacturing & Installation

Turbine manufacturersRotor blade manufacturer

Project developer

Wind farm operationInvestment funds

Wind farm owners/operatorsUtilitiesManufacturer

Research & Studies

Slide 6

Site and Energy Yield Assessment

Conception of wind measurements

Evaluation of power curves with respect to site and anemometer used

Energy yield prediction under minimisation of uncertainties

Detailed evaluation of prediction uncertainties

Risk analysis

Provision of bankable expertises

Site classification according toIEC standards

4

Slide 7

Project Due Diligence (Banks Engineering)

Performance of project due diligence and of risk analysis for more than 200 projects, e.g. for

Nord LB Bremer LandesbankKey BankDZ-BankCommerzbankDeutsche Immobilien Leasing (Deutsche Bank)KfWMacquaries

Development of a risk management system for wind farm financers and developers

Slide 8

Wind resource mapping and feasibility studies

5

Slide 9

Wind Measurements

High quality equipment, e.g. in Belgium, Chile, Colombia, France, Greece, Indo-nesia, Italy, Mali, Netherlands, Poland, Romania, Sweden, Tunesia, Turkey, UK, USA

Masts up to 135 m heightRemote sensing with LIDAR or SODARCalibration / test site for LIDAR

Slide 10

Power Performance Measurements

WT power curve testing and certificatione.g. Enercon E-126, rotor diameter: 127 m, rated power 6.0 MW, (one of the largest turbines in the world)Scientific framework program for investigation of meteorological aspects and development of new measurement proceduresCheck and adaptation of power curves, assessment of power curves to be used for guarantees

6

Slide 11

Technical Management by Deutsche WindGuard

Number of wind turbines:131 turbines are currently managed by Deutsche WindGuardIn 24 wind farms and single sitesWith a total capacity of 293 MW 5 years successful operation of wind farm Quingdao, China

Size of the turbines: 600kW to 6000kWManufacturers:

Enercon: E44, E70, E82 E126Gamesa: G80Nordex: N60, N62Siemens / Bonus: AN1,3, AN2MWRepower: 5MVestas: V42, V66, V80Multibrid: M5000

Slide 12

Commissioning, Technical Inspection and Supervision

technical wind farm commissioning

repeated technical inspections

wind turbine revision

turbine inspection according to the recommendation „Condition oriented operation and maintenance“

7

Slide 13

Wind Farm Data ManagementWONDERturns your data into information

Compatible to all WTG SCADA systemsUnified data handlingfrom different wind farmsStorage of complete SCADA time series with fail safe back-up systemStorage and handling of complete wind turbine history and all technical featuresUnified analysis of energy production and fault messagesAnalysis of operational dataData access via WWW

Slide 14

Wind Farm Analysis

0

5000

10000

15000

20000

25000

30000

0 5 10 15 20 25 30v [m/s]

P [k

W]

0°30°60°90°120°150°180°210°240°270°300°330°

power performance analysis(e.g. by means of SCADA-data, nacelle anemometry, wind farm power curve)

analysis of wind turbine controlevaluation of production lossessurvey of technical availabilityfault analysisoptimisation

8

Slide 15

Vibration Measurements on Wind Turbines

Rotor unbalance testingDiagnosis of mechanical condition of mechanical drive train, rotor and nacelle (according to the recommendation „Condition oriented operation and maintenance)Condition Monitoring

Slide 16

Condition Monitioring and Vibration Testing

Main bearingGear boxGenerator

MP 8rotor speed

MP 6 MP 7

MP 1

MP 5MP 4

MP 3

MP 2

MP 9

9

Slide 17

Offshore

site assessmentstudies, mainly on grid connectionadvise and participation in the planning of offshore wind farmsAssessment of wind farm projects

Slide 18

Offshore

technical managementdevelopment of offshore conceptsoffshore inspectionsconsulting in offshore operation

10

Slide 19

Studies and advising

R&D, Studies, Political ConsultationAdvisor to the Federal German Ministry for Environment (BMU) forRevision of the German Renewable Energy LawPower Performance:

further development of wind turbine power performance testing and description in the frame of measurements at the Enercon E-112, E-126 (sponsor Enercon)study on power performance comparison of all major WT types (sponsor WT manufacturer)

Anemometry: cup anemometer classification for a major anemometermanufacturer to specify the quality an to gain comparabilityOffshore Wind Energy (for BMU, German Wind Energy Association, Greenpeace):

further development of wind energyinternational activities and experience of the utilization of wind energyecological influences of offshore wind farm grid connections

Slide 20

Wind Tunnel Center

Icing WTSince: July 2009 (planned)

Varel, Germany

Aeroacoustic WTSince: 2007

Bremerhaven, Germany

DKD–Calibration WTSince: 2003

Varel, Germany

Source: fmi.fi

New Calibration WT will beready by end of 2009

11

Slide 21

Classification and calibration of anemometers

accreditation by German Calibration Office (DKD) classification of anemometers according to IEC 61400-12-1, (e.g. open field testing)Development of new anemometers and wind measurement techniquesoperation of own certified wind tunnel

(Wind Tunnel of Deutsche WindGuard)

Slide 22

Accustically optimised Wind Tunnel for rotor blade development

Wind Speed range: 0 – 75 m/s / 0 – 40 m/sArea: 5 m² / 11m²Measurement length: 12mNoise level: 60 dB at 40 m/sPower: 960 kW (1.920 kW)Objective: Optimisation of rotor blade profiles, wind farm design, aerodynamic and aero-acoustical research

12

Slide 23

Turning Vanes withSound Absorber, Corner 2

Turning Vanes withSound Absorber,

Corner 4

Turning Vanes withSound Absorber, Corner 3

Settling Chamber

Flow StraightenerHonneycomb and

Mesh

Nozzle1

Nozzle2

Collector

Test Section

6 Fans

Inverters

Turning Vanes withSound Absorber,

Corner 1

Wind Tunnel Overview

WT 2

WT 1

WT 2

WT 1

Slide 24

Country, in which Deutsche WindGuard is working:

Europe:e.g. Austria, Belgium, Bulgaria, Croatia, Czech Republic, Estonia, France, Germany, Greece, Hungary, Italy, Ireland, Netherlands, Norway, Poland, Romania, Spain, Sweden, Switzerland, UK

outside Europe:e.g. Australia, Brazil, Canada, Chile, China, Colombia, Cyprus, Honduras, India, Indonesia , Mali, Pacific Region, Senegal, Taiwan, Tunisia, Turkey, USA , Venezuela, Yemen

13

Slide 25

Indonesia• 12 wind measurements• energy yield assessment • Wind potential maps• Feasibility Study

Columbia• Wind farm JEPIRACHI (20MW)• Advisor in project development to

utility of Medellin• Power curve verification

USA• Wind measurements• Wind potential study• Imbalance and rotor

blade testing

Brazil• wind measurements

Tunesia• Feasibility Study • Consulting for 160MW Wind programme

• 8 Wind measurements and Potential analysis

Mali• Wind measurements• Layout calculations Wind-Diesel-Network 2MW

China• Technical managementwind farm QINGDAO

• energy yield assessment•Training

International Projects

Turkey• Wind measurements• energy yield assessment

Senegal• Project approval• Wind measurements

Taiwan• wind farm planning (450 MW)• Consulting for grid operator

Chile• Wind measurements• Wind farm development• Turbine installation

India• Project due Diligence•Tubine dynamic testing

Pacific• Training

Australia• Turbine testing

Yemen• Project approval

Slide 26

BTC - Business Technology ConsultingIndustrial Sectors / Company Growth

Automotive Public sector

Manufacturing industry Utilities Telecommunications

Furniture industry Retail

Logistics

Consumer products

BTC locationBTC projects

Sales

Employees

14

Slide 27

Power-system control

BTC - Business Technology ConsultingUtility applications

GIS solutionsData processing, web applications, SAP integration, geo-marketing, mobile solutions

ERP and CRM with SAP

Slide 28

Wind Farm CenterResourcePlanning

Wind Farm CenterManager

Wind Farm CenterProcess Database and Life Cycle Record

Wind Farm CenterCockpit

Wind Farm CenterControl Room

Wind Farm CenterPerformanceManagement

Wind Farm CenterControl System

Specific UserApplications

BackendSystems

Database

Online system monitoring

resource plann-ing and re-

source allocation

technical control andwind asset planning

BTC - Business Technology ConsultingWind Farm Center - Overview

15

Slide 29

BTC - Business Technology ConsultingWind Farm Center - BARD

BARD Engineering GmbH, EmdenProject size: 400 MW (80 x 5 MW) Platform with substation to be manned with O&M teams (40 people)At least one vessel for O&M on siteBARD owned self-elevating installation vessel

Slide 30

BTC - Business Technology ConsultingWind Farm Center – alpha ventus

Contractors: EWE, E.ON, and VattenfallFirst offshore farm in GermanyProject size: 60 MW (12 x 5 MW)6 x Multibrid M5000 6 x REpower 5M,Platform with unmanned substation

16

Slide 31

Technical Services of Deutsche WindGuard

TechnicalServices

Technicalmanagement

Logistics

Supervision

Condition tracing

Safety

Organisation of O&M

Service

Normal repair

Large repair

Technicalconsulting

Contracts

Project evaluation

WT technology

Expertevidence

Periodic inspection

Investigation of damages

Machine expertise

Valuation

WTmeasurements

Unbalance

Blade pitch

Dynamic Loads

Power curves

Vibration analysis(CMS)