Symbolic computing as a tool in wind turbine dynamics

✍ Scribed by A.D. Garrad; D.C. Quarton

• Publisher: Elsevier Science
• Year: 1986
• Tongue: English
• Weight: 739 KB
• Volume: 109
• Category: Article
• ISSN: 0022-460X
• DOI: 10.1016/s0022-460x(86)80022-0

✦ Synopsis

The problem of deriving equations of motion that describe the coupled tower-rotor system of a wind turbine is discussed. The mathematical formulation of these equations is described first in a form suitable for manual derivation and then as a step by step process suitable for automation. Reasons for and experience in using a symbolic computing system to undertake this work for large models are described. The general approach is illustrated by means of a very simple model. Finally, some results of the stability analysis of the simple example and an eleven degree of freedom three-bladed model are presented together with a set of measured and predicted blade loads for a 250 kW wind turbine.