Mitigation Effect of Seismic Acceleration of Nuclear Power Plant Electric Cabinet Using Tuned Mass Damper under Earthquakes

Seongkyu Chang; Sung Gook Cho

doi:10.20944/preprints201909.0261.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 22 September 2019 / Approved: 23 September 2019 / Online: 23 September 2019 (06:13:10 CEST)

In this study, a tuned mass damper is proposed as a seismic acceleration mitigating technique of an electrical cabinet inside the nuclear power plant. In order to know the mitigation performance, the electrical cabinet and the tuned mass damper were modeled using SAP2000. The sine sweep wave was used to confirm the vibration characteristics of the cabinet over a wide frequency range, and the several various earthquakes were applied to the cabinet to verify the control performance of the tuned mass damper. After analyzing the numerical results, it is summarized that the application of the proposed technique can reduce the acceleration response of the cabinet.

nuclear power plant; electric cabinet; tuned mass damper; earthquake; vibration control

Engineering, Civil Engineering

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Mitigation Effect of Seismic Acceleration of Nuclear Power Plant Electric Cabinet Using Tuned Mass Damper under Earthquakes

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