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特高压悬吊换流阀上部约束减震控制体系研究

open access: yesGaoya dianqi
换流阀水平位移是地震下换流阀抗震性能评价的重要指标。为减小地震下换流阀位移响应,文中提出了由多根绝缘斜拉杆和弹簧阻尼节点组成的上部约束减震控制体系。以±800 kV特高压换流站的换流阀厅及换流阀塔为原型建立计算模型,输入长周期地震波,通过参数分析对上部约束减震控制体系进行优化设计。计算结果表明,在优化阻尼参数下,减震体系平均降低了48%的底部位移响应,上部约束减震控制体系可有效减小换流阀在长周期地震波下的底部位移。
冯志伟   +3 more
doaj  

[Medium- and long-term clinical efficacy of tibial transverse transport surgery in the treatment of diabetic foot ulcers]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Liu SW   +5 more
europepmc   +1 more source

基于窗口移位注意力的两阶段掩码引导汽车表面高光去除网络 [PDF]

open access: bronze
Wang Jiacheng   +5 more
openalex   +1 more source

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