Results 41 to 50 of about 1,635 (91)

10kV盘形悬式瓷绝缘子零值红外检测方法

open access: yesDianci bileiqi
我国电网海量在役瓷绝缘子需定期开展零值检测,传统的人工登塔作业方式劳动强度大、安全风险高且效率低下,难以适应电网数智化运维快速发展的要求。红外热像法是目前最常用的零值瓷绝缘子快速带电检测方法,已有大量研究和实践表明红外热像法在输变电用瓷绝缘子检测方面取得了较好的效果。然而,当前关于配电网瓷绝缘子红外测零方法和案例的研究较少,存在一定的技术空白。本研究以10kV配电网盘形悬式瓷绝缘子为研究对象,建立了由零值、低值、正常绝缘子不同组合形成的6个双片绝缘子串对照组,并对6个对照组的绝缘子电位及电场、电流 ...
李唐兵   +6 more
doaj  

一种新型混合型超导限流器的设计与实验研究

open access: yesGaoya dianqi
为解决传统电阻型超导限流器因超导组件参与常态通流而产生的超导带材用量过多及电流引线漏热功率过大等问题,提出了一种适用于中压船舶直流电力系统短路故障保护的新型混合型超导限流器拓扑结构。对其基于IGBT、高速真空开关的联合换流过程进行了试验研究与理论计算,得出了电容、电感、电阻等参数对换流过程的影响规律;采用盘式无感绕制的方式制作了超导带材盘,组成的高温超导组件电感值仅2.9 μH;介绍了限流器用高速真空开关的触头运动特性;最后对限流器样机进行了试验,样机成功将预期峰值为57.6 kA的短路电流限流至24 ...
陆利强   +4 more
doaj  

[Medical treatment standards for emergency burn wounded (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
National Health Commission Of The People's Republic Of China.
europepmc   +1 more source

[Spatial omics in pulmonary fibrosis: advancing mechanistic insights and therapeutic strategies]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Peng Y, Xie Y, Yang F, Qiao X, Tian Y.
europepmc   +1 more source

[Research progress on elbow joint rehabilitation robots]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Li M, Xu F, Wang D, Xu J.
europepmc   +1 more source

[Application and challenges of tissue engineered scaffolds in treatment of long-segment laryngotracheal stenosis]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yu Q   +7 more
europepmc   +1 more source

[Research advances in three-dimensional bioprinted wound dressings]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Shi C, Lei C, He L, Liao D.
europepmc   +1 more source

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