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Actors, Institutions and Innovation Processes in New Path Creation : The Regional Emergence and Evolution of Wind Energy Technology in Germany

Wellbrock, Jasper (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)

The recent literature of evolutionary economic geography points out that new technologies do not emerge randomly across space. The evolution of the economic landscape is associated with processes of path creation, regional ...
Analysis of the influence of climate change on the fatigue lifetime of offshore wind turbines using imprecise probabilities

Hübler, Clemens; Rolfes, Raimund (Chichester : Wiley, 2021)

When discussing the connection of wind energy and climate change, normally, the potential of wind energy to reduce green house gas emissions is emphasised. Hence, effects of wind energy on climate change are analysed. ...
An Approach to the Design and the Interactions of a Fully Superconducting Synchronous Generator and Its Power Converter

Lengsfeld, Sebastian; Sprunck, Sebastian; Frank, Simon Robin; Jung, Marco; Hiller, Marc; Ponick, Bernd; Mersche, Stefan (Basel : MDPI, 2022)

The design of a fully superconducting wind power generator is influenced by several factors. Among them, a low number of pole pairs is desirable to achieve low AC losses in the superconducting stator winding, which greatly ...
Comparative analysis of jacket and monopile structures in sensitivity to load parameters

Glisic, Ana; Schauman, Peter (2016)

Nowadays, much attention is payed to the development of renewable energy resources. Wind energy plays a major role in this issue. That is why there is a growing interest for improving the design process of wind turbines ...
A comparison study on jacket substructures for offshore wind turbines based on optimization

Häfele, Jan; Gebhardt, Cristian G.; Rolfes, Raimund (Göttingen : Copernicus Publications, 2019)

The structural optimization problem of jacket substructures for offshore wind turbines is commonly regarded as a pure tube dimensioning problem, minimizing the entire mass of the structure. However, this approach goes along ...
Damage detection for wind turbine rotor blades using airborne sound

Krause, Thomas; Ostermann, Jörn (Hoboken, NJ : Wiley, 2020)

When operating a wind turbine, damage of rotor blades is a serious problem. Undetected damages are likely to increase overtime, and therefore, the safety risks and economical burdens also increase. A monitoring system, ...
Design aspects of concrete towers for wind turbines

von der Haar, Christoph; Marx, Steffen (Vorna Valley, Midrand : South African Institution of Civil Engineering (SAICE), 2015)

All over the world an increase in the use of renewable energy sources is being sought, and here the utilisation of wind energy plays an important role. Germany currently represents one of the world's largest markets for ...
Erfassungen der Fledermausaktivität über dem Wald als Grundlage für methodische Empfehlungen zu Untersuchungen und Maßnahmen an Windkraftstandorten im Wald

Hurst, Johanna (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

Windkraftanlagen werden in Deutschland zunehmend auch an Waldstandorten errichtet. Da Wälder wichtige Habitate für Fledermäuse darstellen, muss bei der Planung und dem Betrieb von WEA im Wald der Fledermausschutz besonders ...
Friction torque of wind-turbine pitch bearings – comparison of experimental results with available models

Stammler, Matthias; Schwack, Fabian; Bader, Norbert; Reuter, Andreas; Poll, Gerhard (Göttingen : Copernicus GmbH, 2017)

Pitch bearings of wind turbines are large, grease-lubricated rolling bearings that connect the rotor blades with the rotor hub. They are used to turn the rotor blades to control the power output and/or structural loads of ...
Reduktion des Kollisionsrisikos von Fledermäusen an Onshore-Windenergieanlagen (RENEBAT II)

Behr, Oliver; Brinkmann, Robert; Korner-Nievergelt, Fränzi; Nagy, Martina; Niermann, Ivo; Reich, Michael; Simon, Ralph; Rüter, Stefan (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2016-04-12)

Fledermausschlagopfer an Windenergieanlagen (WEA) treten an vielen Standorten und teilweise in erheblichen Zahlen auf. Eine Reduktion der Schlagopferzahlen ist aus artenschutzrechtlichen Gründen unverzichtbar und auch für ...
Torsionstragmodell extern vorgespannter Kreisringsegmente mit trockenen Fugen

Hartwig, Steffen (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

Die Konstruktion der Segmentbauweise ist im Brückenbau schon seit vielen Jahren eine etablierte Bauweise. Seit einigen Jahren kommt diese Bauweise auch für die Errichtung von Windenergieanlagen (WEA) zum Einsatz. Die aus ...
Updating structural wind turbine blade models via invertible neural networks

Noever Castelos, Pablo (Hannover : Institut für Windenergiesystem, Leibniz Universität Hannover, 2023)

Wind turbine rotor blades are huge and complex composite structures that are exposed to exceptionally high loads, both extreme and fatigue loads. These can result in damages causing severe downtimes or repair costs. It is ...
Über System- und Regelungsdynamiken von Windenergieanlagen und deren Einfluss auf die Umrichterlebensdauer

Morisse, Marcel (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

Zuverlässige und kostengünstige Energiegewinnung aus regenerativen Quellen ist die Basis für eine erfolgreiche Transformation des zu einem großen Bestandteil auf fossilen Brennstoffen basierenden Energieversorgungssystem ...

Now showing items 1-13 of 13

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