沙坪二级水电站厂房振动分析与结构优化

沙坪二级水电站机组为目前国内单机容量最大的灯泡贯流式机组,电站主变压器及GIS设备布置在厂房尾水平台上,厂房结构振动及振动对GIS设备运行的影响是设计关注的主要问题之一.文章在对结构振动特性分析的基础上,设计调整了厂房结构布置.振动计算分析表明,调整后的厂房结构各关键部位的振动响应均满足设计要求.

Vibration analysis and structure optimization for powerhouse of Shaping second cascade hydropower station

The generating unit of the Shaping second cascade hydropower station is bulb tubular type units with the largest unit capacity in China at present.The main power transformer and GIS equipments of the hydropower station are disposed at the tail water platform of the powerhouse.The structural vibration of the powerhouse and its influence on GIS equipments are one of the main concerned issues in design.The paper adjusts the structural arrangement of the powerhouse based on the structural vibration characterist...