Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019KPIS for wind plant performance and reliability
Pfaffel, S.
Presentation
2019Reliability of power converters in wind turbines: Exploratory analysis of failure and operating data from a worldwide turbine fleet
Fischer, Katharina; Pelka, Karoline; Bartschat, Arne; Tegtmeier, Bernd; Coronado, Diego; Broer, Christian; Wenske, Jan
Journal Article
2019Zustandsüberwachung an Rotorblättern von Windkraftanlagen mittels Schallemissionsanalyse
Schubert, Lars; Schulze, Eberhard; Weihnacht, Bianca; Henker, Tobias; Frankenstein, Bernd
Conference Paper
2018Assessing factors impacting on reliability of wind turbines by use of survival analysis - a case study
Ozturk, S.; Fthenakis, V.; Faulstich, S.
Journal Article
2018Failure modes, effects and criticality analysis for wind turbines considering climatic regions and comparing geared and direct drive wind turbines
Ozturk, S.; Fthenakis, V.; Faulstich, S.
Journal Article
2018The HAPT project
Stammler, Matthias
Presentation
2018Load distribution in a roller-type rotor blade bearing
Stammler, Matthias; Baust, Sebastian; Reuter, Andreas; Poll, Gerhard
Conference Paper
2018Load reducing control for wind turbines
Shan, Martin
: Hoffmann, C.; Bottasso, C.L.
Dissertation
2018Monitoring the oil of wind-turbine gearboxes: Main degradation indicators and detection methods
Coronado, Diego; Wenske, Jan
Journal Article
2018A study of mechanical torque measurement on the wind turbine drive train - ways and feasibilities
Zhang, Hongkun; Ortiz de Luna, Rubén; Pilas, Martin; Wenske, Jan
Journal Article
2017Applying operational and event data to understand the turbine's performance and reliability behaviour
Faulstich, S.
Presentation
2017Closed-loop supervisory control for defined component reliability levels and optimized power generation
Meyer, Tobias; Fischer, Katharina; Wenske, Jan; Reuter, Andreas
Poster
2017Emulation of interface stiffness for full scale tests on wind turbine blade bearings
Steinkuhl, Felix Bastian; Wenske, Jan
Conference Paper
2017Failure behaviour of power converters in wind turbines
Pelka, Karoline; Fischer, Katharina
Conference Paper
2017Functional prototype testing of an 8 MW wind turbine
Pilas, Martin; Riezu, Miguel
Conference Paper
2017Impact of individual pitch control on pitch actuators in megawatt wind turbines
Morisse, Marcel; Bartschat, Arne; Wenske, Jan; Mertens, Axel
Conference Paper
2017Mechanical torque measurement during a wind turbine nacelle test
Zhang, Hongkun; Pilas, Martin; Eich, Norbert; Ortiz de Luna, Rubén
Conference Paper
2017Performance and reliability of wind turbines: A review
Pfaffel, S.; Faulstich, S.; Rohrig, K.
Journal Article
2017Recommended practices for wind farm data collection and reliability assessment for O&M optimization
Hahn, B.; Welte, T.; Faulstich, S.; Bangalore, R.; Boussion, C.; Harrison, K.; Meguelanez-Martin, E.; O'Connor, F.; Pettersson, L.; Soraghan, C.; Stock-Williams, C.; Dalsgaard Sørensen, J.; Bussel, G. van; Vatn, J.
Journal Article, Conference Paper
2017Wind turbine control in computational fluid dynamics with OpenFOAM
Daniele, Elia
Journal Article
2016Analysis of dynamic interactions between different drivetrain components with a detailed wind turbine model
Bartschat, A.; Morisse, M.; Mertens, A.; Wenske, J.
Conference Paper, Journal Article
2016Converter lifetime assessment for doubly-fed induction generators considering derating control strategies at low rotor frequencies
Morisse, M.; Bartschat, A.; Wenske, J.; Mertens, A.
Conference Paper
2016Design optimization and upscaling of a semi-submersible floating platform
Leimeister, M.; Bachynski, E.; Muskulus, M.; Thomas, P.
Presentation
2016Experimental results of different oil condition monitoring approaches for wind turbine gearboxes in an oil sensor test bench
Coronado, D.
Conference Paper
2016Extending the scope of gearbox oil condition monitoring for wind turbines: Identified challenges and recommendations
Coronado, D.; Wenske, J.
Poster
2016Improving clustering based anomaly detection with concave hull: An application in fault diagnosis of wind turbines
Li, Peng; Niggemann, Oliver
Conference Paper
2016Laser doppler vibrometry on rotating wind turbine blades
Lutzmann, Peter; Göhler, Benjamin; Scherer-Klöckling, Clemens; Scherer-Negenborn, Norbert; Brunner, Simon; Putten, Frank van; Hill, C.A.
Conference Paper
2016Laser vibration sensing at Fraunhofer IOSB: Review and applications
Lutzmann, Peter; Göhler, Benjamin; Hill, Chris A.; Putten, Frank van
Journal Article
2016Rational upscaling of a semi-submersible floating platform supporting a wind turbine
Leimeister, M.; Bachynski, E.; Muskulus, M.; Thomas, P.
Journal Article, Conference Paper
2016Reliability of power converters in wind turbines: Results of a comprehensive field study
Fischer, K.; Bartschat, A.; Tegtmeier, B.; Coronado, D.; Broer, C.; Wenske, J.
Poster
2016Utilisation of wind turbine field data for failure root-cause analysis
Fischer, K.
Presentation
2016Utilizing wind-turbine failure and operating data for root-cause analysis
Fischer, Katharina
Presentation
2016Wind turbine loads reduction using feedforward feedback collective pitch control based on the estimated effective wind speed
Meng, Fanzhong; Wenske, Jan; Gambier, Adrian
Conference Paper
2015Condition monitoring of wind turbines: State of the art, user experience and recommendations
Coronado, D.; Fischer, K.
Report
2015Condition monitoring of wind turbines: Status quo, user experience and recommendations
Fischer, K.; Coronado, D.
Journal Article
2015Condition monitoring of wind turbines: Status quo, user experience, recommendations
Coronado, D.; Fischer, K.
Presentation
2015Felddatenbasierte Analyse von Umrichterausfällen in 1300 Windenergieanlagen
Fischer, Katharina; Tegtmeier, Bernd; Bartschat, Arne; Coronado, Diego; Broer, Christian; Wenske, Jan
Presentation
2015Field-experience based root-cause analysis of power-converter failure in wind turbines
Fischer, Katharina; Stalin, Thomas; Ramberg, Hans; Wenske, Jan; Wetter, Göran; Karlsson, Robert; Thiringer, Torbjörn
Journal Article
2015Towards reliable power converters for wind turbines: Field-data based identification of weak points and cost drivers
Fischer, Katharina; Wenske, Jan
Conference Paper
2014Adjoint optimization of 2D-airfoils in incompressible flows
Schramm, M.; Stoevesandt, B.; Peinke, J.
Conference Paper
2014Assessment and Validation of Oil Sensor Systems for On-line Oil Condition Monitoring of Wind Turbine Gearboxes
Kupferschmidt, C.; Coronado, D.
Journal Article, Conference Paper
2014Bestimmung von mechanischen Belastungen der Load Application Unit im DyNaLab
Jersch, T.
Presentation
2014Design and construction of a test bench for assessment and validation of oil sensor systems
Coronado, D.; Kupferschmidt, C.; Ernstorfer, M.; Wirth, C.
Conference Paper
2014Fatigue life of rotor shafts in theory, practice and in a full scale testing environment
Rauert, T.; Dalhoff, P.; Kyling, H.; Holz, K.; Winkelmann, J.
Conference Paper
2014Reducing blade manufacturing cost while maintaining aerodynamic performance of Vertical Axis Wind Turbines
Pröhl, Marco; Werner, Markus; Domínguez, Diego; Troyer, Tim de; Runacres, Mark; Feng, Guoying
Conference Paper
2013Active damping control of DFIG wind turbines during fault ride through
Xu, H.; Xu, H.; Chen, L.; Wenske, J.
Conference Paper
2013Development process and testing in the wind industry
Wenske, J.; Stammler, M.
Presentation
2013Reliability of power electronic systems in wind turbines - Damage types in frequency converters
Fischer, K.
Presentation
2013A survey on control methods for the mitigation of tower loads
Fischer, Boris; Shan, Martin
Report
2012Damage detection in wind turbine`s towers
Friedmann, Andreas; Siebel, Thomas; Koch, M.; Mayer, D.; Bein, T.
Conference Paper
2011A collaborative reliability database for maintenance optimisation
Faulstich, S.; Lyding, P.; Hahn, B.; Brune, D.
Conference Paper
2011Offshore~WMEP - monitoring offshore wind energy use
Faulstich, S.; Lyding, P.; Hahn, B.; Lopez, S.
Conference Paper
2011Wind turbine downtime and its importance for offshore deployment
Faulstich, S.; Hahn, B.; Tavner, P.J.
Journal Article
2010Aktive Systeme zur Schwingungsminderung und Reduktion von Schallemissionen
Linke, M.; Bräunig, J.; Kunze, H.
Conference Paper
2010Aktiver Tilger zur Unterdrückung tonaler Schallemissionen an Windenergieanlagen
Neugebauer, Reimund; Linke, M.; Drossel, W.-G.; Kunze, H.; Ullrich, M.
Conference Paper
2007Active vibration absorber for gear box noise reduction in wind turbines
Illgen, A.; Drossel, W.-G.; Wittstock, V.; Schirmer, W.; Wiedemann, L.
Conference Paper
2007Passive and active dynamic vibration absorbers for gear box noise reduction in wind turbines
Illgen, A.; Drossel, W.-G.; Wittstock, V.; Mitsch, F.; Hanus, K.-H.; Wiedemann, L.
Conference Paper
2007Piezo based active vibration absorber for gear box noise reduction in wind turbines
Illgen, A.; Wittstock, V.
Conference Paper
2002Analysis of battery current microcycles in autonomous renewable energy-systems
Ruddell, A.J.; Dutton, A.G.; Wenzl, H.; Ropeter, C.; Sauer, D.U.; Merten, J.; Orfanogiannis, C.; Twidell, J.W.; Vezin, P.
Journal Article