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Analysis and calculation of seismic performance for UHV equipment of HGIS

机译：HGIS防御性设备抗震性能分析与计算

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In order to analyze and understand the seismic performance of UHV HGIS, and further improve it, the analysis of dynamic characteristics and seismic response spectra for 1100kV HGIS was carried out in four kinds of seismic waves, and then acquired structural frequencies and mode features. The situation that the natural frequency of UHV equipment and the main frequency of seismic wave were so similar that quasi resonance occurred was considered in the process of analysis. The calculation is conducted by the string of modulated wave that includes three sinusoidal-resonant waves and five sinusoidal-resonant modulated waves to analyze mechanical strength and seismic performance of integral structure. The results show that 1100kV HGIS under those seismic waves has certain safety margin, provide effective data for analysis of seismic performance of UHV equipment.
机译：为了分析和理解UHV HGI的地震性能，进一步改善它，在四种地震波中进行了1100kV HGI的动态特性和地震反应光谱的分析，然后获取了结构频率和模式特征。 UHV设备的固有频率和地震波的主要频率的情况如此相似，即在分析过程中考虑了准共振。计算由包括三个正弦谐振波和五个正弦谐振波和五个正弦谐振调制波的调制波串进行，以分析整体结构的机械强度和地震性能。结果表明，在这些地震波下的1100kV恒压具有一定的安全保证金，提供了用于分析UHV设备的地震性能的有效数据。

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