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conference of the windpower engineering community - CGR Legal

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TUESDAY, JUNE 18, 2013 – 1ST DAYIncreasing Reliability <strong>of</strong> MainShaft BearingsChairman: Markus Becker, CTO, KENERSYSGmbH, Münster, GermanyEffective Reliability and FailureAnalysis <strong>of</strong> Wind TurbinesChairman: Pr<strong>of</strong>. Dr. Po Wen Cheng,Endowed Chair <strong>of</strong> Wind Energy, Institute<strong>of</strong> Aircraft Design, University <strong>of</strong> Stuttgart,GermanyOffshore Certification andRisk AnalysisChairman: Christian Nath, Senior AdvisorWind Energy, Barsbüttel, GermanyInnovative Technology forVibration Control & DampingChairman: Pr<strong>of</strong>. Dr.-Ing. Andreas Reuter,Managing Director,Fraunh<strong>of</strong>er Institute forWind Energy and Energy System Technology(IWES), Bremerhaven, GermanyAdvanced Technology Developmentsin Grid ConnectionChairman: Dr.-Ing. Kurt Rohrig, DeputyDirector, Fraunh<strong>of</strong>er Institute for WindEnergy and Energy System Technology(IWES), Kassel, Germany16:55 Field measurements for main shaftbearings <strong>of</strong> wind turbinesNewest experiences <strong>of</strong> real fieldmeasurementsExcessive motions – <strong>of</strong>ten proposed butnever ariseHypo<strong>the</strong>sis: Stray current through mainbearings causing failuresOlle Bankeström, Programme Manager,AB SKF, Go<strong>the</strong>nburg, SwedenAn optimal age-replacement policy for<strong>of</strong>fshore blades with two-type damagesTypical types <strong>of</strong> damages due to harshmarine environmentIcing – A special challenge for <strong>of</strong>fshorewind turbine bladesDr. Mahmood Shafiee, Research Associate,Department <strong>of</strong> Ma<strong>the</strong>matical Sciences;co-authors: Pr<strong>of</strong>. Michael Patriksson,A/Pr<strong>of</strong>. Ann-Brith Strömberg, ChalmersUniversity <strong>of</strong> Technology, Go<strong>the</strong>nburg,SwedenHow certification and due diligencecontribute <strong>the</strong> pr<strong>of</strong>itability <strong>of</strong> <strong>of</strong>fshoreprojectsThe role and relationship <strong>of</strong> typecertification vs. due diligenceNational and international contractualand regulatory requirementsInfluences <strong>of</strong> <strong>the</strong> project certification oncosts and benefitsPeter Maack, Certification Expert;co-author: Ivan Cuenca, Head <strong>of</strong> TechnicalDue Diligence – Wind Services, BureauVeritas Industry Services GmbH, Hamburg,GermanyOverall vibration values for highavailabilitywind turbinesPermissible overall vibration valuesSpecific improvements by multichannelvibration value monitoringEvaluation <strong>of</strong> <strong>the</strong> 2 nd committee draft <strong>of</strong>ISO 10816-21Dr. Edwin Becker, Head <strong>of</strong> Service andDiagnostic Center; co-author: Dipl.-Ing.Johann Lösl, Managing Director, Serviceand Diagnostic Center, PRÜFTECHNIKCondition Monitoring, Ismaning, Munich,GermanyAnalysis <strong>of</strong> <strong>the</strong> grid code effectiveness <strong>of</strong><strong>of</strong>fshore wind farmsEffectiveness and possible simplification<strong>of</strong> prevailing requirements for HVDCconnection to <strong>the</strong> onshore gridSteady-state and fault behaviorinvestigationPossible modification <strong>of</strong> existing gridcodes towards a downsized steady-statereactive power supplyDipl.-Ing. Moritz Mittelstaedt, ResearchAssistant; co-authors: Dipl.-Wirt.-Ing.Andreas Roehder, Univ.-Pr<strong>of</strong>. Dr.-Ing. ArminSchnettler, Department for High VoltageTechnology (IFHT), RWTH Aachen University,Germany17:25 Challenges and opportunities in <strong>the</strong>prediction <strong>of</strong> rolling bearing performancesBearing life using miscellaneous modelsand conceptsAppropriate braking and driving contactforces <strong>of</strong> bearing torquesPrecise risk prediction <strong>of</strong> cage andsmearing damageExperimental validation using large sizebearingsDr.-Eng. Luc Houpert, Senior Scientist,Product Technology, Timken Europe,Colmar, FranceTypical changes <strong>of</strong> main bearing <strong>of</strong> olderwind turbinesFavored opportunities vs. existing risks:technical, economical and operationalLessons learned from onsite repairRecycling and repowering versusrepairing and runningDipl.-Ing. Patrick Biwer, AssistantManager, Renewable Energies & ERP,Department <strong>of</strong> Renewable Energies,SEO S.A., LuxembourgWhat are <strong>the</strong> game changingcomponents that will optimize <strong>the</strong>maintenance process?The use <strong>of</strong> risk analysisEfficient combination <strong>of</strong> process datawith risk assessment toolsMaintenance process and itsimplementationDipl.-Ing. Saskia Greiner, M.Sc.,Department for Environmental- and Biotechnolgy,University <strong>of</strong> Bremen, GermanyThe advantages <strong>of</strong> cork composites innoise & vibration mitigationSpecific characteristics <strong>of</strong> cork structureBenefits and use in application <strong>of</strong> corkcompositesAdvantages <strong>of</strong> strong lightweightcomposite structuresCork composite vibration controlmaterials in transmission and distributionequipmentJoão Fernandes, M.ME., ApplicationEngineer; co-author: Antonio Coelho, M.CE.,Director <strong>of</strong> R&D, Amorim Cork Composites,Mozelos VFR, PortugalTime for change? – Grid situation inGermanyChallenges <strong>of</strong> grid connection fromplanning to feed-inGrid connection planning & networkcalculationAssignments and tasks to commissioningDipl.-Ing. Rainer Leskien, GridConnection for Wind Farms, Modelling andDesign <strong>of</strong> electrical Equipment; co-author:Dipl.-Ing. Gudrun Sachs, Grid connection,Wind & Site, Construction, e.n.o. energysystems GmbH, Rostock, Germany17:55 Innovative test <strong>of</strong> lubricants at tappedthread HV-jointsIn-depth comparison <strong>of</strong> lubricantpropertiesHV – Type fastenerOptimal friction coefficientCasting – The option <strong>of</strong> a tapped threadDipl. Ing. (FH) Ute Behrendt, StructuralAnalysis & Composites; co-author:Dipl.-Ing. Christian Reimer, MechanicalEngineer for Structural Analysis and BoltedDamage analysis and technicalrestoration in wind turbinesWell-known types <strong>of</strong> damages: fire, soot,water, corrosives, oil, etc. …Analysis, cases and samples <strong>of</strong>contaminationsLessons learned to increase <strong>the</strong> lifetime<strong>of</strong> componentsImplementation <strong>of</strong> successful preventingconceptsRichard Done, UK General Manager,Risk assessment <strong>of</strong> <strong>of</strong>fshore windturbine systemsFailure modes and effects analysis(FMEA)A look insight: A comparative studybased on <strong>the</strong> results <strong>of</strong> onshore against<strong>of</strong>fshore wind turbinesHow do utilities calculate costs?Fateme Dinmohammadi, Researcher,Department <strong>of</strong> Industrial Engineering,Islamic Azad University-South TeheranAdaptive control <strong>of</strong> <strong>the</strong> PMSG baseddrive train for active vibration dampingOccurent torsional oscillations <strong>of</strong>direct-drive trainsChallenges <strong>of</strong> rotating with <strong>the</strong> optimaltip speed but suppress <strong>the</strong> torsionaloscillationProven acceptance test <strong>of</strong> stability by <strong>the</strong>Lyapunov <strong>the</strong>oryDr. Liang Chen, Scientist, Drive and SystemTechnology; co-author: Dr. Jan Wenske,Automated design <strong>of</strong> inter-array cablesystems for large <strong>of</strong>fshore wind farmsSignificant in-time reduction for manualand visual inspectionRe-verifications to reduce human errorssignificantlyComplex design solutions using <strong>the</strong> mostsignificant comparator – <strong>the</strong> investmentVictor Sellwood, M.Eng., MBA, C.Eng.MIET, Business Development Manager;co-author: Dr. Dusko Nedic, ExecutiveConnections, Suzlon Energy GmbH, Rostock,GermanyAREPA Ltd., Oxford, United KingdomBranch, Teheran, IranHead <strong>of</strong> Department, Fraunh<strong>of</strong>er Institutefor Wind Energy and Energy SystemTechnology (IWES), Bremerhaven, GermanyConsultant, Siemens PTI, SiemensTrans mission and Distribution Limited,Manchester, United Kingdom18:25 Challenges for main bearings in largesize wind turbines and suitable designapproaches for reliable and costefficient solutionsProven concepts to increase <strong>the</strong> flexibility<strong>of</strong> large wind turbinesDynamic transient effects <strong>of</strong> <strong>the</strong> loadsand corresponding rolling and slidingbehaviorNew bearing solutions – Designed towithstand high dynamic load situationsDipl. Ing. (FH) Wolfgang Losert, CEO;co-author: Dipl.-Ing. (FH) Marc Reichhart,Project Engineer, EOLOTEC GmbH,Nuremberg, GermanyTypical damages at on- and <strong>of</strong>fshorewind turbines and <strong>the</strong>ir successfulpreventionWhat has already happened?(Un-) typical damages and <strong>the</strong>ir impacton <strong>the</strong> reliability <strong>of</strong> wind turbinesWhy did it happen? (Un-) typical reasonsand triggerWhat is possible to do?Recommendations for design,specifications and quality assuranceDipl.-Ing. Jürgen Holzmüller,8.2 Ingenieurbüro, Aurich, GermanyEffective maritime collision analysisCertification <strong>of</strong> <strong>of</strong>fshore wind turbinesSimulation <strong>of</strong> a maritime collisionbetween ship and OWTHull-retaining configuration <strong>of</strong> <strong>the</strong>foundation structureExplicit FE-analysis with ANSYS/ LS-DynaAssessment <strong>of</strong> monopile and jacketstructuresDipl.-Ing. (FH) Bernhard Buchmeier,Technical Expert; co-author: Dipl.-Ing. BjörnKramer, Energy & Technology, ComponentEngineering, TÜV SÜD Industry Service,Munich, GermanyA Process for Data Driven PrognosticsEstimation <strong>of</strong> <strong>the</strong> remaining useful lifeAppropriate condition indicators (CIs)for gear fault detection, using <strong>the</strong> healthindicator (HI)Impressive demonstration <strong>of</strong> a gear faultrun to failure testEric Bechhoefer, M.S., Ph.D., ChiefEngineer, NRG Systems, Hinesburg – VT,USASupport <strong>of</strong> grid operation by wind farmsand wind farm clustersThe new role <strong>of</strong> wind farm clusters andvirtual power plantsNecessary frequency and voltage controlManagement <strong>of</strong> <strong>the</strong> occurrent congestionShort-term predictionDr.-Ing. Kurt Rohrig, Deputy Director,Head <strong>of</strong> Division Energy Economy andGrid Operation; co-authors: SebastianStock, Fraunh<strong>of</strong>er Institute for Wind Energyand Energy System Technology (IWES),Kassel, Pr<strong>of</strong>. Dr.-Ing. habil. Lutz H<strong>of</strong>mann,Department <strong>of</strong> Energy Supply and HighVoltage Engineering, Leibniz UniversityHanover, Germany18:55 End <strong>of</strong> <strong>conference</strong> day one19:00 Evening ReceptionAt <strong>the</strong> end <strong>of</strong> <strong>the</strong> first <strong>conference</strong> day we kindly invite you to our evening reception. Enhance your personal network and use <strong>the</strong> relaxed and informal atmosphere for deepening talks with o<strong>the</strong>r participants and speakers.Industrial BoardVolker Kendziorra, Managing Director,ENERCON Service Deutschland GmbH,Aurich, GermanyFrank V. Nielsen, COO, LM Windpower,Kolding, DenmarkJörg Scholle, Executive Vice President,Head <strong>of</strong> Global Engineer ing & ProductLine Management, Nordex SE, Hamburg/Rostock, GermanyStefan Tenbrock, CEO, Winergy AG,Voerde, GermanySven-Erik Thor, Head <strong>of</strong> Wind Researchand Development, Business Division AssetDevelopment, Vattenfall AB, Stockholm,Sweden

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