介绍了一种采用真空触发间隙作为开关元件,控制储能电容器放电,经Tesla变压器升压,可产生六个时间间隔可调、峰值近300kV的高频振荡电压,可用于高压开关弧后介质恢复特性测量等领域.
张新平 +3 more
doaj
一、引言 变电所防止雷电与操作过电压中,GIS的保护性能在许多重要方面与敞开式的变电站不同。传统变电站的绝缘水平主要取决于变压器的保护物——避雷器的正确选择及它们的安装位置;它的空气绝缘的强度可以自动恢复,开关可以耐受如绝缘子或套管闪络这样的故障。而GIS的绝缘不具有自动恢复的这个特性,在遭受过电压时,故整个GIS系统(母线,断路器,隔离开关和接地开关等)必须得到全面的保护。另外,架空线的进线段到GIS开关之间的母线也同样需要保护。GIS装置中 ...
施围
doaj
[State-of-the-art in peripheral nerve injury diagnosis and therapy]. [PDF]
Sun J, Chen L.
europepmc +1 more source
[Endoscopic-assisted median nerve decompression combined with one-stage tendon transfer for reconstruction of thumb abduction in treatment of severe carpal tunnel syndrome]. [PDF]
Sui J +6 more
europepmc +1 more source
[How I treat vasovagal syncope in children]. [PDF]
Zou RM, Wang C.
europepmc +1 more source
[Emphasizing evolution of key technological elements in reconstructive surgery]. [PDF]
Zan T, Li Q.
europepmc +1 more source
[Management of accidental tooth root displacement into the mandibular canal during tooth extraction]. [PDF]
Su L, Zhao J.
europepmc +1 more source
[Eccentric kyphotic distraction reduction technique for treatment of lower cervical dislocation with locked facet joints]. [PDF]
Li Y +6 more
europepmc +1 more source
[Establishment of a canine model of vascularized allogeneic spinal cord transplantation and preliminary study on spinal cord continuity reconstruction]. [PDF]
Chen J +6 more
europepmc +1 more source
[Progress on ultrasound-responsive piezoelectric drug delivery system for treatment of neurodegenerative diseases]. [PDF]
Ma R, Chen Y.
europepmc +1 more source

