Seismic Analysis of Diesel-generator Assembly

DENG Jing-jing

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (12) : 193-197.

PDF(1152 KB)
PDF(1152 KB)
Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (12) : 193-197.
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Seismic Analysis of Diesel-generator Assembly

  • DENG Jing-jing
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Abstract

According to the requirements of nuclear safety codes, a seismic qualification should be performed to any equipment classified as seismic category I in nuclear power plants, to ensure that the equipment can withstand the effects of safe shutdown earthquake or operating basis earthquake and can perform its safety function during and after the time it is subjected to the earthquake. The seismic qualification to a diesel-generator assembly was performed in the analysis method and a finite element model of the diesel-generator assembly including the diesel engine, generator, gear increaser and common under frame was built. The intensity of every component was checked per the corresponding standards and codes and the structure integrity of the diesel-generator assembly under seismic loads was evaluated. And the different between spectrum analysis with varied expand modes and static coefficient analysis was discussed on the basis of the seismic analysis.

Key words

Diesel-generator Assembly / Finite element / Seismic analysis

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DENG Jing-jing. Seismic Analysis of Diesel-generator Assembly[J]. Journal of Vibration and Shock, 2009, 28(12): 193-197
PDF(1152 KB)

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