Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Comprehensive Electrical Loss Analysis of Monolithic Interconnected Multi-Segment Laser Power Converters
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2019Exploring the Causes of Power-Converter Failure in Wind Turbines based on Comprehensive Field-Data and Damage Analysis
Fischer, Katharina; Pelka, Karoline; Puls, Sebastian; Poech, Max-Hermann; Mertens, Axel; Bartschat, Arne; Tegtmeier, Bernd; Broer, Christian; Wenske, Jan
Journal Article
2018Fast-switching monolithically integrated high-voltage GaN-on-Si power converters
Weiß, Beatrix
: Paul, O.; Ambacher, O.; Maksimovic, D.
Dissertation
2018On the influence of the photo-induced leakage current in monolithically interconnected modules
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2018Power loss mechanisms in small area monolithic-interconnected photovoltaic modules
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2017Failure behaviour of power converters in wind turbines
Pelka, Karoline; Fischer, Katharina
Conference Paper
2017On the alignment tolerance of photovoltaic laser power converters
Wagner, L.; Bett, A.W.; Helmers, H.
Journal Article
2017Radiation aspects and performance of GaN power converters and RFICs for airborne and space applications
Quay, Rüdiger; Brueckner, Peter; Reiner, Richard; Schwantuschke, Dirk; Waltereit, Patrick
Conference Paper
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
2016Influence of injection current and temperature on electroluminescence of GaAs laser power converters
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Presentation
2016Optimal laser wavelength for efficient laser power converter operation over temperature
Höhn, O.; Walker, A.W.; Bett, A.W.; Helmers, H.
Journal Article
2016Spatial and spectral electroluminescence for single-junction single-segment GaAs laser power converter characterization
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Presentation
2016Temperature and injection current dependent electroluminescence for evaluation of single-junction single-segment GaAs laser power converter
Kimovec, R.; Helmers, H.; Bett, A.W.; Topic, M.
Journal Article
2014III-V Solarzellen für die optische Leistungsübertragung
Helmers, Henning
Presentation
2014Photovoltaic cells for optical power and data transmission
Helmers, H.
Presentation
2014Power by light: Optical power transmission replaces copper wiring
Henning, H.
Journal Article
2013Photovoltaische Zellen zur optischen Leistungsübertragung
Helmers, H.
Presentation
2013Reliability of power electronic systems in wind turbines - Damage types in frequency converters
Fischer, K.
Presentation