Crucial Torsional Modal Identify on Drive-Train in a Wind Turbine

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The rotational frequency of large scale wind turbine is very low, so low order modal of drive-train in a horizontal-axis Wind turbine generator system (WTGS) needs special attention to avoid structural resonance. In this paper, with Lagrange’s equation, a three-mass drive-train dynamics of WTGS is modeled and analyzed. After comparing with the results by GHbladed4.1 and SIMPACK, we found that those results show little differences clearly. So the drive-train dynamics above is rational and the accurate analyses are fit to identify the crucial low order torsional modal of drive-train rapidly in WTGS. In addition, the anti-resonance frequency of the gear-train found by frequency response method can be very significant for vibration isolation of drive train in the wind turbine system.

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Periodical:

Edited by:

Chunliang Zhang and Paul P. Lin

Pages:

275-280

Citation:

H. X. Li et al., "Crucial Torsional Modal Identify on Drive-Train in a Wind Turbine", Applied Mechanics and Materials, Vols. 226-228, pp. 275-280, 2012

Online since:

November 2012

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$38.00

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