Drive-train characteristics of constant speed HAWT's : part I - representation by simple dynamic models

Leithead, William and Rogers, M.C.M. (1996) Drive-train characteristics of constant speed HAWT's : part I - representation by simple dynamic models. Wind Engineering, 20 (3). pp. 149-174. ISSN 0309-524X

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Abstract

The overall dynamic behaviour and hence performance of a grid-connected constant speed honzontal-axis wind turbine is due to a combination of the structural dynamics, the drive-train and generator dynamics and. when appropriate, the control system dynamics . A dynamically well-behaved machine requires that the drive-train dynamics complement in some sense the other wind turbine dynamics. In this , the first part of a two part paper, the dynamics of the drive-train are investigated. Although a composite of many dynamic modes of the tower, blades, hub, low-speed shaft, gearbox, gear-train, high-speed shaft and generator rotor. the drive-train dynamics can be represented by a simple model. The simple model approximates very closely to the drive-train dynamics for almost all constant speed wind turbines.

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