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Drive-train characteristics of constant speed HAWT's: : part II - simple characterisation of dynamics

Leithead, William and Rogers, M.C.M. (1996) Drive-train characteristics of constant speed HAWT's: : part II - simple characterisation of dynamics. Wind Engineering, 20 (3). pp. 175-201. ISSN 0309-524X

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Abstract

The overall dvnamic behaviour and hence performance of a grid-connected constant speed horizontal-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 . 1n this , the second part of a two part paper, the dependence of the drive-train dynamics on the values of the system parameters is investigated. Simple expressions for indicators of dynamic performance, which provide insight into and facilitate "tuning" of the drive-train dynamics, are derived. The analysis is relevant to almost all constant speed wind turbines, both pitch and stall regulated.