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China is an earthquake-prone country. Recent earthquakes such as Wenchuan have caused serious damage to power facilities. As the most important electrical equipment in UHV substations, transformers are facing a huge threat of earthquake disasters. As an important way to improve the seismic capacity for transformer equipment, seismic isolation technology can effectively solve the problem of insufficient seismic capacity of UHV transformers in areas with high seismic intensity. The soil-structure interaction is not considered in the current isolation design and evaluation of UHV transformers, which is not conducive to the refined seismic isolation design and evaluation of UHV transformers. Combined with the structural characteristics of UHV Transformer equipment, this paper put forward the seismic isolation test method of UHV Transformer with soil structure interaction, which provided a basis for the isolation test and isolation performance evaluation of UHV Transformer.
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