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多重雷击下10 kV架空线路氧化锌避雷器的保护特性

open access: yesDianci bileiqi
自然界的雷击形式以多重雷击为主,多重雷击会使氧化锌避雷器(MOA)更容易超出能量阈值。多重雷击对电力线路的影响近年来已陆续展开研究,但仍缺少对多重雷击时感应雷过电压下配电线路的耐受特性研究。总结归纳了多重雷击的基本参数,计算了配电线路中常用的(YH)HY5WS-17/50型MOA的最大能量允许值,以此为MOA是否损坏的判据。搭建了10 kV架空线路雷电过电压仿真模型,构建了多重雷击的感应雷仿真波形。从10 kV架空线路常见的感应雷和雷击导线这2种雷击形式出发,研究了这2种雷击形式多重雷击下对10 ...
周秀   +7 more
doaj  

[Risk factors for mortality in children with severe drowning: a 10-year single-center retrospective study]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Yang YX   +5 more
europepmc   +1 more source

[Rehabilitation guidelines and specifications for traumatic spinal cord injury (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Professional Committee Of Spine And Spinal Cord Injury Rehabilitation China Association Of Rehabilitation Of Disabled Persons   +3 more
europepmc   +1 more source

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