Session No. 0: Opening

Germany’s Research Programme for Renewable Energy
Dr. Georg Menzen, Federal Ministry for Economic Affairs and Energy (BMWI)
 

Session No. 1: Simulation Wind

The principles of measure-correlate-predict methods
D. Hanslian, CEZ, a.s., Prague, Czech Republic
Influence of Turbulence Characteristics on Power Production
F. Kelberlau, T. Bracchi, NTNU, Trondheim
Multiple Synoptic Scale Correlate Predict (MSSCP)
H. Frey, WindDataSuite
Anemos Wind Atlas Improvements Based on a New Remodelling Approach
M. Schneider, A. Glücksmann, A. Weiter, H.-T. Mengelkamp, anemos GmbH
 

Session No. 2: Fault Detection

Failure Behaviour of Power Converters in Wind Turbines (D)
K. Pelka, K. Fischer, Fraunhofer IWES, Hannover
Extreme Yaw Misalignment Stress Test on a Multi-MW Wind Turbine
S. S. Iyer, H. S. Pedersen, N. G. C. Janssen, E. G. Marin, ROMO Wind
Individual Assessment of Wind Turbine Tower Lifetime by Intelligent Monitoring
M. Eckstein, C. Ebert, Wölfel Engineering
Development of a Condition Monitoring Sensor to Detect White Etching Cracks in Wind Turbines using a 4MW Nacelle Test Bench
C. Bernabéu Rojo, G. Jacobs, R. Schelenz, F. Barenhorst, RWTH Aachen University
 

Session No. 3: Offshore - Floating Lidar / Turbine

Floating LiDAR Measurements: Use a Fireship in the North Sea to Retrieve Long-Term Wind Profiles
B. Canadillas, F. Wilts, H. Decker, C. Krüger, T. Neumann, UL International GmbH (UL DEWI)
Measuring Wind Resources with a LiDAR from a Ferry Boat: Results for a Route in the Baltic Sea
J. Gottschall, E. Catalano, M. Dörenkämper, Fraunhofer IWES Northwest, Bremerhaven
About the Frequency Dependency of Floating-LiDAR Motion Effects
G. Wolken-Möhlmann, L. Baise, D. Kuchma, Tufts University, Medford
Floating LiDAR Update and Future Applications
J. Gottschall, C. Rudolph, Th. Viergutz, B. Lange, Fraunhofer IWES Northwest, Bremerhaven
 

Session No. 4: Offshore - Wakes

Far Wake Offshore Wind Farm Interaction: First Results of the WIPAFF Project
B. Cañadillas, R. Foreman, T. Neumann, UL International GmbH (UL DEWI); S. Siedersleben, S. Emeis, Karlsruhe Institute of Technology, IMK-IFU; B. Djath, J. Schulz-Stellenfleth, Helmholtz Centre Geesthacht; A. Platis, J. Bange, University of Tübingen; A. Lampert, Technical University of Braunschweig
Near and Far Field Offshore Wind Turbine Wake Effects Depicted by Satellite SAR in the German Bight
B. Djath, J. Schulz-Stellenfleth, Helmholtz-Zentrum Geesthacht (HZG); B. Canadillas, T. Neumann, UL International GmbH (UL DEWI); A. S. K. Siedersleben, S. Emeis, Karlsruhe Institute of Technology (KIT); A. Platis, J. Bange, University of Tuebingen; A. Lampert, K. Baerfuss, Technische Universität Brauschweig
High-Resolution SAR-Based Wind Fields Over Offshore Wind Farms: Assessment of Shadowing Effects and Resulting Power Yield Reduction
S. Jacobsen, A. Pleskachevsky, German Aerospace Center (DLR)
The Local Wind Field at Offshore Wind Parks and in their Wake – Its Measurement and Interaction with Airborne Operations
T. Rausch, K. Bärfuss, S. Kocks, P. Frost, T. Feuerle, P. Hecker, A. Lampert, Technische Universität Braunschweig
 

Session No. 5: Improvement Turbine Operation

Blade-Root Based Multi-Camera System for Induced Blade Twist Measurements at Wind Turbine Rotors during Operation
C. Heilmann, A. Grunwald, M. Melsheimer, BerlinWind GmbH
Increasing Turbine Lifetime with Findings of 5000 Operational Years of Blade Monitoring
D. Brenner, J. Reimers, Weidmüller Monitoring Systems GmbH
Performance Monitoring using Spinner Anemometry
H. Hohlen, ROMO Wind Deutschland GmbH
Meteorological Icing Condition Detection in Wind Farm with Ceilometer
J. Paldanius, Vaisala Oyj, Vantaa; M. Tuononen, Finnish Meteorological Institute, Helsinki
 

Session No. 6: Standards - Site Conditions

Evolution of Site-Specific Assessment Requirements in Wind Turbine Certification according to IEC Standards
L. Steer, DEWI-OCC GmbH
Site Calibration compared between Ed.1 and Ed.2 of the IEC 61400-12-1
H. Mellinghoff, UL International GmbH (UL DEWI)
Practical Comparison of IEC 61400-12-1 Site Calibration Correction Methodologies
G. Calvo, F. Pintilie, K. Gracie-Orr, SgurrEnergy, Glasgow
Update on the Works on IEC 61400-15 for Wind Resource Assessment, Energy Yield Analysis and Site Suitability Input Estimation
K. Mönnich, UL International GmbH (UL DEWI)
 

Session No. 7: Grid Integration

Development of New Measurement and Analysis Methods for Harmonic Evaluation of Wind Turbines and Farms for Grid Connection
F. Santjer, UL International GmbH (UL DEWI)
Investigation of Rotor Model Complexity for Electrical Certification Test of WEC on Test Benches 
T. Jersch, C. Mehler, M. Neshati, Fraunhofer IWES Northwest
Optimum Wind Turbine-Site Matching for Power System Optimisation
A. Kies, Jonas Hoersch, D. Schlachtberger, T. Brown, S. Schramm, Frankfurt Institute for Advanced Studies; B. Schyska, ForWind, Oldenburg
Quantification of Grid Related Energy Yield Losses: Experience Gained in Germany Offshore 
M. Strack, Deutsche WindGuard Consulting GmbH
 

Session No. 8: Simulation Wind Turbine

Design Load Determination by Detailed Flexible Multibody-System Simulation Models
B. Schlecht, T. Rosenlöcher, Technische Universität Dresden
Experimental Identification of Modal Parameters of a Wind Turbine and Comparison to Multibody Simulations
J. Zierath, S.-E. Rosenow, R. Bockhahn, W2E Wind to Energy; R. Rachholz, A. Schulze, Ch. Woernle, University of Rostock
Integrated Substructure Analysis for Wind Turbines under Seismic Loading
M. Kretschmer, P. W. Cheng, University of Stuttgart
Load-Direction-Derived Support Structures for Wind Turbines: A Lattice Tower Concept
A. Struve, T. Faber, University of Applied Sciences Flensburg; R. Damiani, J. Jonkman, National Renewable Energy Laboratory, Golden, U.S; T. Ummenhofer, Karlsruhe Institute of Technology
 

Session No. 9: Noise Emissions

Comparison of Noise Emissions Characteristics of Large Modern Wind Turbines for Normal and Noise Reduced Operation Modes 
L. Chamerois, Eol-C, Montpellie
Acoustic and Seismic Emissions from Wind Turbines
F. Calarco, P. W. Cheng, Stuttgarter Wind Energy (SWE); T. Zieger, J. Ritter, Karlsruhe Institute of Technology (KIT)
Interaction of Low-Frequency Micro-Seismic and Acoustic Emissions of Wind Turbines with Different Foundation Designs
S. Chrisopoulos, P. Kudella, T. Triantafyllidis, Karlsruhe Institute of Technology (KIT); T. V. Gortsas, University of Patras, Greece
Aeroacoustic Assessment of Rotor Blades by Means of Numerical Methods
B. Faßmann, N. Reiche, R. Ewert, M. Herr, J. Delfs, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
 

Session No. 10: Testing

Wind Turbine System Test Benches: Experiences with Hardware-in-the-Loop Systems in Full-Scale Operation
U. Jassmann, C. Leisten, R. Schelenz, D. Abel, RWTH Aachen University
Functional Prototype Testing of an 8 MW Wind Turbine
M. Pilas, Fraunhofer IWES, Bremerhaven; M. Riezu, Adwen Offshore S.L., Sarriguren
Emulation of Interface Stiffnesses for Full Scale Tests on Wind Turbine Blade Bearings
F. B. Steinkuhl, J. Wenske, Fraunhofer IWES, Hannover
Optimized Strength Assessment of Cast Iron Components in Wind Turbine Drive Trains including Repeated Overloads
A. Mösenbacher, M. Eiber, M. Decker, IABGmbH; J.-A. Meis, Siemens AG
Fatigue Test of Wind Turbine Components - Validation of Current Verification Methodsong>
J. Herrmann, T. Rauert, P. Dalhoff, Hamburg University of Applied Sciences; H. Kyling, Fraunhofer IWES; K. Holz, J. Winkelmann, M.-L. Carruezco, Suzlon Energy GmbH
 

Session No. 11: Lidar - Onshore

How Far Can We See? Analysis of the Measurement Range of Long-Range LiDAR Data for Wind Power Forecasting
I. Würth, A. Brenner, M. Wigger, P. W. Cheng, Stuttgart Wind Energy (SWE), University of Stuttgart
Case study: Comparison of two Nacelle Mounted LiDAR Technologies for a Wind Turbine Yaw Misalignment Analysis.
A. Pradel, UL International GmbH (UL DEWI); J. Dalmas, VALEMO; C. Lepaysan, EPSILINE
Realistic Simulations of Extreme Load Cases with LiDAR-Based Feedforward Control
T. Hagemann, F. Haizmann, D. Schlipf, P. W. Cheng, Stuttgart Wind Energy (SWE)
A Comparison of Nacelle Mounted Scanning LiDAR Based Measurement Methods for the Detection and Characterisation of Wind Turbine Wake Direction
P. E. Olmos Aguirre, A. J. Keane, SgurrEnergy, Glasgow
The Influence of Terrain Complexity and Measurement Setup on the Accuracy of Ground Based Doppler Wind LiDARS
T. Klaas, Y. Chen, L. Pauscher, Fraunhofer IWES, Kassel
 

Session No. 12: Operational Data / Performance

Chances and Challenges of EEG 2017 with a Focus on the Potential Stabilizing Effects on Project Risks and Cash Flows
F. Hulsch, ENERTRAG Aktiengesellschaft; M. Strack, Deutsche WindGuard Consulting GmbH
The Market Value of Wind Power
H.-T. Mengelkamp, M. Schneider, J. Geyer, anemos GmbH; E. Kuhnhenne-Krausmann, D. Peschel, enervis GmbH
A Discussion of Production Loss Factors in Operation Based on a Statistical Evaluation of Operating Wind Farm Assets
P. Spengemann, T. Werner, wpd windmanager GmbH & Co. KG
Big Data Approach of Wind Resource and Operational Data Analysis 
M. Strack, Deutsche WindGuard Consulting GmbH; R. Pforte, Svevind AB
The Devil in Disguise: Pitfall of Scaling Production Data to 20 Years
M. V. Sørensen, W. Langreder, EMD International A/S, Denmark
 

Session No. 13: Lidar - Performance Verification

Optimisation of Wind Farm Performance with the Use of Nacelle Mounted LiDAR
A. Pradel, N. Breteil , UL International GmbH (UL DEWI)
Power Curve Verification According to IEC61400-12-1:2017 Utilizing Remote Sensing on the Ground and a Nacelle Mounted LiDAR
V. Netesov, Ventus Energía S.A., Uruguay
Evaluation on the Prediction Error of Profile Assessments versus MCP Correlation for 6-Months Wind Measurements
A. Westerhellweg, B. Schulz, UL International GmbH (UL DEWI)
LiDAR in Complex Terrain: Comparison of the CFD Correction Tools Provided by WindSim and Meteodyn WT with Cup Anemometer Data
S. Koller, S. Bourgeois, Meteotest, Switzerland
Forecast the LiDARs Accuracy and Precision in Complex Terrain with Neural Network Tools
P. Mazoyer, M. Boquet, Leosphere
 

Session No. 14: Offshore Wind Conditions

Meteorological Analysis of Ramps in Energy Output from German North Sea Offshore Wind Parks
S. Emeis, Karlsruhe Institute of Technology
Simulating Large Offshore Wind Farm Clusters with Engineering Models
V. Barth, B. Cañadillas, T.Neumann, UL International GmbH (UL DEWI); S. Siedersleben, S. Emeis, Karlsruhe Institute of Technology, IMK-IFU
Derivation of an Offshore Wind Index for the German Bight from High-Resolution Mesoscale Simulation Data of Over a Decade
M. Dörenkämper, B. Stoevesandt, D. Heinemann, Fraunhofer IWES, Oldenburg
OBLEX-F1: The Offshore Boundary Layer Experiment at FINO 1 - Experimental Setup and First Results
J. Reuder, University of Bergen
RAVE Reloaded – Research at Alpha Ventus Continues with New Focus
B. Lange, A. Hofmann, Fraunhofer IWES, Bremerhaven
 

Session No. 15: Rotor Blades / Simulation


Influence of 3-D Airfoil Polars for Rotor Blade Models on Wind Turbine Loads
L. Steer, DEWI-OCC GmbH
Usage of Nonlinear Finite Beam Elements in Rotor Blade Models for Load Calculations of Wind Turbines
C. Schubert, U. Jungnickel, Institut für Mechatronik e.V. Chemnitz; G. Pokriefke, T. Bauer, J. Rieke, Nordex Acciona Windpower
Wireless Inertial Measurements on Wind Turbine Rotor Blades
F. Berkemeyer, W. Lang, University of Bremen
Time Domain Flutter Analysis of Swept Rotor Blades
J. D. Polman, C. Balzani, Leibniz Universität Hannover
An Experimental and Computational Investigation of Wind Turbine Blade-Tower Aerodynamic Interaction
Y. Shkara, A. Werkmeister, R. Fontecha, G.Jacobs, R. Schelenz, RWTH Aachen
 

Session No. 16: Life Time Extension / O&M

Life Time Extension Analysis– Real Case 
Á. Sedano, S. López, J. J. Ripa, UL International GmbH (UL DEWI)
Fatigue Load Reconstruction on Wind Turbine Structures with Structural Health Monitoring
M. Schedat, T. Faber, Flensburg University of Applied Sciences
Bearing Lifetime Optimization with Ceramic Greases
H. Streetz, Bathan AG, Switzerland
Accurately Forecasting O&M Costs and Quantifying OPEX Risk
J. Coultate, E. Golysheva, Romax InSight
Managing Main Bearing Failures
D. Moss, R. Smith, Romax InSight
 

Session No. 17: Simulation Wind 2

Using SCADA Data for Mesoscale Model Verification
A. Weiter, M. Schneider, D. Peltret, H.-T. Mengelkamp, anemos GmbH
Short-term Wind Speed and Power Prediction for Offshore Wind Farms Using Neural Networks
S. Balluff, J. Bendfeld, Paderborn University; S. Krauter, Kompetenzzentrum für nachhaltige Energietechnik (KET)
Modified Weibull Scaling for Wind Resource Assessment
D. A. Gallacher, SgurrEnergy, Glasgow
Prediction of the Wind Field in Moderate Terrain Using the Navier-Stokes Solver WindStation
A. M. Gameiro Lopes, Universidade de Coimbra; O. Herrera Sánchez, T. Sperling, H. Koch, R. Daus, R. Braun, EuroWind GmbH
Wind Flow Modelling in Mountainous Areas with Nocturnal Katabatic Winds
M. Ranaboldo, E. Monfort, J. Vidal, UL-AWS Truepower; G. E. Varela-Lopes, R. Bispo, Ul International GmbH (UL DEWI)
 

Session No. 18: Offshore Condition / Operation

Platform Based Infrared Sea Surface Temperature Measurement: Experiences from a one Year Trial in the North Sea
R.K. Frühmann, T. Neumann, H. Decker, UL International GmbH (UL DEWI)
Environmental Contours Based on Kernel Density Estimation
A. F. Haselsteiner, J.-H. Ohlendorf, K.-D. Thoben University of Bremen, ForWind
An Innovative Hybrid Substructure Made of High-Strength Concrete and Ductile Cast Iron for Offshore Wind Turbines
M. Stümpel, S. Marx, P. Schaumann, Leibniz Universität Hannover; G. Seidl, SSF Ingenieure AG; Joachim Göhlmann, grbv Ingenieure im Bauwesen GmbH & Co. KG
SMART Weather Risk Sharing – Based on a Systematic Weather Risk Assessment
M. Wiggert, T. Panteleon Fraunhofer IWES, Bremerhaven
Vessel guideline for the Installation of Offshore Wind Farms
F. D. Lüdecke, G. Wolken-Möhlmann, T. Panteleon, Fraunhofer IWES Bremerhaven; A. Hurtado, Technische Universität Dresden
 

Posters

2. Testing

2.2 Mechanical Torque Measurement of a Wind Turbine Drive Train under Test on the Nacelle Test Bench Dynalab
H. Zhang, N. Eich, M. Pilas,Fraunhofer IWES, Bremerhaven

2.3 IEA Wind TCP Task 35 Full Size Ground Testing for Wind Turbines and their Components:Defining Unified Test Load Cases for Nacelle Design Validation Tests
T. Duda, G. Jacobs, D. Bosse, RWTH Aachen University

2.4 Influence on MN•m Torque Measurement in Multi-MW Nacelle Test Benches
S. Kock, G. Jacobs, D. Bosse, RWTH Aachen University

2.6 Influence of the Detail of an Onshore Wind Turbine Model in Respect to the Soil and Structure to the Load Calculation
A. Werkmeister, G. Jacobs, R. Schelenz, J. Berroth, P. Michel, R. Fontchea, RWTH Aachen

2.7 Transience Statistics for Fatigue Load Assessment
G. More, SgurrEnergy, Glasgow
 

3. Simulation Wind & Turbine

3.3 The Principles of Measure-Correlate-Predict Methods
D. Hanslian, Academy of Sciences, Prague

3.5 Reconstruction of Speed, Direction, and Turbulence Data across Meteorological Towers to improve Wind Farm Production Estimates
T. Lambert, B. O’Loughlin, N. Robinson, UL AWS Truepower

3.7 A Generic Comparison of Offshore Site Conditions between Europe and USA
G. Wolken-Möhlmann, L. Baise and E. Hines, Tufts University, Medford

3.10 Verification of MacCamy-Fuchs Theory and Its Influence on Wind Turbine Loading
M. Leimeister, P. Thomas, Fraunhofer IWES, Bremerhaven

3.11 Sensor-Assisted Monitoring of the Production of Rotor Blades for Wind Power Plants
P. Zapp, D. Akin, DLR e.V. Stade

3.12 Simulation and Validation of Vertical Axis Wind Turbines
M. Hänler, M. Beyer, Windrad Engineering GmbH; R. Tschullik,D. Jatman, U. Ritschel, LWET University of Rostock

3.14 Control-Oriented Modeling for Wind Turbine State Estimation and Dynamic Simulation
B. Ritter, Industrial Science GmbH powered by IAV; U. Konigorski, Technical University of Darmstadt

3.15 Effect of Structural Damages to Natural Frequencies of an Offshore Wind Turbine Support Structure
Z. Naveed, S. Tewolde, R. Höffer, Ruhr University Bochum

3.16 Characterisation of the Atmospheric Stability on the Basis of Site Specific Parameters
K. Mönnich, B. Jimenez, J. Bruns, UL International GmbH (UL DEWI)
 

4. Measuring Methods

4.1 Rotor Blade Temperature Monitoring with Material Integrated Wireless Sensor Tags
F. Berkemeyer, M. Salas, G. Dumstorff, W. Lang, IMSAS Univ.ersity of Bremen; M. Brink, J.-H. Ohlendorf, K.-D. Thoben, BIK Univ. of Bremen

4.2 Measuring Lightning Currents on Wind Turbines
J. Birkl, DEHN+SÖHNE GmbH + Co. KG.; E. Shulzenko, Technische Universität Ilmenau

4.3 Measurements of Atmospheric Turbulence with an Customized 2d-ALCA
T. Reichstein, A. P. Schaffarczyk, University of Applied Sciences Kiel; J. Puczylowski, M. Hölling, ForWind Oldenburg; D. Stein, GL Garrad Hassan Deutschland GmbH

4.6 The Transition Piece Method: an IEC Compliant LiDAR Method for Offshore Wind Turbine Power Curve Tests – an Update
P. J. M. Clive, SgurrEnergy

4.8 Wind-LiDAR with Improved Range Resolution
E. Brinkmeyer, P.Markmann, G. Peters, Metek GmbHM; C. Bollig, A. Falkenberg, Abacus Laser

4.9 Development of an On-Site Device to Measure Corrosion Load and Impact to Rotor Blades of a Wind Turbine
M. Wagner, R. Jatkowski, Seilpartner Windkraft GmbH; M. Mühlbauer, P. U. Thamsen, TU Berlin

4.10 Implementation of the FINO-Wind Database Standardisation for the FINO Platforms
R. K. Frühmann, T. Neumann, UL International GmbH (UL DEWI); B. Tinz, T. Leiding, Deutscher Wetterdienst, Hamburg; C. Senet, Bundesamt für Seeschiffart und Hydrographie, Hamburg; S. Müller, T. Ziems, Wind-consult, Bargeshagen; I. Bastigkeit, B. Lange, Fraunhofer IWES, Bermerhaven; P. Schwenk, D. Stein, DNV-GL, Hamburg

4.11 The First Demonstration of Power Performance Stabilization by LiDAR-Assisted Turbine Control
Y. Kamada, T. Maeda, K. Morimoto, Mie University, Japan; N. Kotake, Y. Kajiyama, S. Kameyama, Mitsubishi Electric Corporation, Japan
 

5. Remote Sensing

5.1 Performance of MERRA2 Data Compared to Floating LiDAR
J. Bendfeld, S. Balluff, S. Wübbeke, S. Krauter, Paderborn University

5.6 Windcube LiDAR: Assessment of the Repeatability and Stability Through Years of Validation
P. Mazoyer, F. Rebeyrat, C. Hermaszewski, Leosphere

5.8 Velocity Linear Display (VLD) LiDAR Methods
P. J. M. Clive, SgurrEnergy, Glasgow
 

6. Operation / Acceptance / LTE

6.3 Risk Assessment for Light Aircraft Landing Trajectories in Windy Atmosphere and Near Windfarms
E. Daniele, J. Schmidt, B. Stoevesandt, Fraunhofer IWES, Oldenburg; C. Varriale, A. De Marco, University of Naples Federico II, Italy

6.4 Effective Noise Mitigation for Today’s very Big Piling Systems in Deep Waters
K.-H. Elmer, OffNoise-Solutions GmbH

6.5 Ice Piece Database thrown by Wind Turbines in Switzerland
S. C. Müller, S. Koller, S. Bourgeois, Meteotest

6.7 Previsualization of Wind Turbines in the Web Browser as Augmented Reality
A. Durdel, J. Loviscach, FH Bielefeld

6.10 Analysing the Match of Heating Load and Wind Turbine Production for Different Regions in Northern Europe
H. G. Beyer, University of the Faroe Islands, Torshavn

6.11 A Technology Matrix for Bird and Bat Collision Avoidance at Wind Turbines
F. Schoden, J. Loviscach, FH Bielefeld

6.12 Response Deficit Analysis in Wind Farm Performance Monitoring
A. Keane, SgurrEnergy, Glasgow

6.14 Uncertainty Calculations and Sensitivities on Life Extension Calculations
J. J. Ripa, S. Lopez, UL International GmbH (UL DEWI)

6.15 Estimation of the Potential for Wind Energy Use in the Northwest of Lower Saxony
B. Neddermann, UL International GmbH (UL DEWI)

6.16 Wind Energy in Vietnams Power Development Plan
B. U. Schyska, D. Heinemann, University of Oldenburg; A. Kies, Frankfurt Institute for Advanced Studies; D. T. Viet, The University of Danang

6.17 Lifetime Extension of Wind Power Plants from the Economic Point of View
J. Leichhauer, Hochschule Flensburg