A Comparison of the Dynamic Behavior of Three Sets of the Ampair 600 Wind Turbine

2015 ◽  
pp. 99-110
Author(s):  
Andreas Linderholt ◽  
Thomas Abrahamsson ◽  
Anders Johansson ◽  
Daniel Steinepreis ◽  
Pascal Reuss
Keyword(s):  
Wind Turbine ◽  
Dynamic Behavior

Dynamic Behavior of Stand-Alone Parallel Operation System Using Two Wind Turbine-Generators

2003 ◽  
Author(s):  
Tetsuya Wakui ◽  
Takumi Hashizume ◽  
Toshio Nagao ◽  
Hisao Saito
Keyword(s):  
Wind Turbine ◽  
Dynamic Behavior ◽  
Frequency Control ◽  
Power Coefficient ◽  
Parallel Operation ◽  
Operation System ◽  
Power Extraction ◽  
Induction Generators ◽  
Turbine Generators ◽  
Wind Turbine Generators

This paper discusses the dynamic behavior of the stand-alone parallel operation system using two wind turbine-generators by our dynamic simulation model. The stand-alone parallel operation system is composed of two Darrieus-Savonius hybrid turbines, two load induction generators, one inverter, batteries, and one controller. This system is mainly operated at the maximum power coefficient points of two parallel turbines by the inverter frequency control for a simple system composition and high power extraction. The computed results of the dynamic behavior of the system to various wind speed changes shows that our control scheme of the parallel operation system is effective.

Comparison of Three Different TLPs for Wind Turbines by Tank Tests and Calculated Results

2015 ◽  
Author(s):  
F. Adam ◽  
T. Myland ◽  
F. Dahlhaus ◽  
J. Großmann
Keyword(s):  
Wind Turbine ◽  
Dynamic Behavior ◽  
Wind Turbines ◽  
Main Part ◽  
Natural Frequencies ◽  
Type Structure ◽  
Offshore Wind ◽  
Wave Loads ◽  
Offshore Wind Turbines ◽  
Short Overview

This paper will give a short overview of the path of development of the so called GICON® - Tension Leg Platform (TLP) for offshore wind turbines. The main part of the paper will provide a summary as well as insights from three different model basin tests. Furthermore, the comparison of a truss like structure (first concept) with a shell type structure (third concept) deduced from the measured results and also by comparison of the natural frequencies will be presented. Both structures were tested in wave tanks in a scale of 1:25. The results also include a focus on the overall dynamic behavior of the structure. In addition to the two 1:25 models, a 1:37 model was also tested at MARIN, utilizing the MARIN stock wind turbine. This model is also included in the comparison. Therefore the different scales are considered but the comparison is presented exclusively for wave loads as only the 1:37 model was tested under wind and wave conditions.

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