Gaoya dianqi, 2013 笔者介绍了自主研发的2521 100 kV GIS、HGIS中要求输入转角为90°的快速接地开关用电动弹簧操动机构的基本结构、工作原理、主要技术参数及特点;借助商用MSC.ADAMS软件进行动力学的模拟仿真分析,并对其进行相关的机械特性试验。试验结果表明,设计与试验实测值基本吻合,完全能够满足快速接地开关的要求。
张强, 张红军, 邓洪祥
doaj
Landscape change and perception along historical railway: the case of Yunnan-Vietnam Railway, China
Journal of Environmental Engineering and Landscape ManagementAgainst the background of environmental change, this study investigates the relationship between landscape changes and perceptions along the historical railway using a combination of Historical Geographic Information Systems (HGIS) and Fuzzy-set ...
Kun Sang, Luoning Xiang, Guiye Lin
doaj +1 more source
Gaoya dianqi, 2014 介绍了某500 kV变电站一起500 kV混合式气体绝缘开关组合电器（HGIS）事故,解体发现VT气室盆式绝缘子放电烧裂成碎片,分析得出盆式绝缘子质量不良是事故发生的直接原因。对故障设备进行了更换,对同批次盆式绝缘子进行了化学、电气等诊断性试验,并根据诊断结果提出了相应的防范措施。
汪晓明, 何萍, 刘衍, 晏年平
doaj
Nature's Past Episode 046: Historical GIS Research in Canada
, 2015 In recent years, environmental historians and other historians have been working with maps in new ways. Specifically, they have been using HGIS software, that is, historical geographic information systems.
Kheraj, Sean
core
Gaoya dianqi, 2016 针对某站2号母线发生的故障跳闸进行多维度分析,开展了交流场靠2号母线侧开关气室的SF6气体的分解产物和湿度测试,数据表明50532开关C相存在异常。随后对其进行了开盖检查,发现内部导管对套管法兰处发生了严重的电弧放电。结合后续的返厂解体情况,对故障的原因进行了故障树分析,并借助成分分析等技术推断,50532开关C相气室故障是由于现场组装阶段混入并黏着在导管的7 mm左右金属异物,在运行3个月后受震动影响,从低电场区域掉落强电场区域,导致了闪络故障的发生。
陈伟民 +3 more
doaj
Rebleeding in Variceal and Nonvariceal Gastrointestinal Bleeds in Cirrhotic Patients Using Vitamin K1: The LIVER-K Study. [PDF]
Can J Hosp Pharm, 2020 Bates D +6 more
europepmc +1 more source
Health information exchange policy and standards for digital health systems in africa: A systematic review. [PDF]
PLOS Digit Health, 2022 Mamuye AL +10 more
europepmc +1 more source
Sex differences in hip and groin injury prevalence: a systematic review and meta-analysis of 3133 team-sport athletes. [PDF]
Biol SportBailén-García T +5 more
europepmc +1 more source
Selection strategy of substation distribution unit based on management collaboration theory. [PDF]
HeliyonXue W +6 more
europepmc +1 more source
Recent Advances in Injectable Hydrogels for Biomedical and Aesthetic Applications: Focus on Rheological Characteristics. [PDF]
GelsLee H, Jeong Y, Lee N, Lee I, Lee JH.
europepmc +1 more source