Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes of its mechanical parameters

XIE Danmei; ZHANG Hengliang; DONG Chuan; LIU Zhanhui; YANG Changzhu

doi:10.1007/s11708-007-0072-4

Front. Energy ›› 2007, Vol. 1 ›› Issue (4) :483 -486. DOI: 10.1007/s11708-007-0072-4

Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes of its mechanical parameters

XIE Danmei¹, ZHANG Hengliang¹, DONG Chuan¹, LIU Zhanhui², YANG Changzhu³

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Abstract

Aiming at a 300 MW turbo-generator model, the sensitivity of natural torsional frequencies and modes of torsional vibration (TV) to the rotational inertia and stiffness of the turbo-generator were analyzed. Calculation results show

Keywords

power and mechanical engineering, turbo-generator, torsional vibration (TV), sensitivity, mechanical parameters, frequency-tuning

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XIE Danmei, ZHANG Hengliang, DONG Chuan, LIU Zhanhui, YANG Changzhu. Sensitivity analysis of torsional vibration behavior of the shafting of a turbo generator set to changes of its mechanical parameters. Front. Energy, 2007, 1(4): 483-486 DOI:10.1007/s11708-007-0072-4