Results 81 to 90 of about 308,970 (123)

[Clinical characteristics and prognosis of patients with direct antiglobulin test-negative autoimmune hemolytic anemia]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Zhang JA   +6 more
europepmc   +1 more source

均压环故障工况下交流特高压复合绝缘子温升特性

open access: yesDianci bileiqi
针对特高压交流复合绝缘子均压环典型故障,采用COMSOL Multiphysics有限元分析软件建立FXBW-1000/300线路复合绝缘子的静电场-热场耦合计算模型,分析了不同均压环偏转角度和罩入深度的场强和温升规律,并在特高压交流试验室大型环境气候实验室开展了复合绝缘子带电温升特性验证试验。结果表明:当均压环偏转角增至20°时,高压端最大场强与温度峰值较正常工况提升36.1%和6.6%;当均压环罩入深度降低300mm时,最大场强和温度峰值较正常工况提升70%和9.3%;在均压环缺失的条件下 ...
高嵩   +4 more
doaj  

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