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特高压换流变压器阀侧套管缩比模型典型缺陷下电场分布特性仿真研究

open access: yesGaoya dianqi
换流变压器阀侧套管内部混入金属颗粒、电容芯体产生裂纹是目前常见的故障,研究套管在不同电压下的电场分布规律以及缺陷对电场分布的影响对于套管的优化设计及故障分析具有重要意义。文中以±800 kV特高压换流变压器套管为原型,建立了±72.5 kV环氧浸纸电容式套管仿真模型,计算套管在交直流电压下的电位分布和电场分布,并研究了两种缺陷对于套管电场的影响。结果表明套管含金属颗粒或裂纹缺陷时,对于电场的畸变影响较大。研究结果为后续缩比套管模型不同缺陷局部放电试验的分析提供了基础 ...
司文荣   +7 more
doaj  

[Development of a surface electromyography index system for orofacial muscles and validation of a discriminant model in unilateral molar occlusal interference]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Li W   +11 more
europepmc   +1 more source

[An investigation study on the technology and training level of ski patrol]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Bai P   +7 more
europepmc   +1 more source

[The analysis of invention patents in the field of artificial intelligent medical devices]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhang T   +5 more
europepmc   +1 more source

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