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基于电磁波频谱的棒形悬式复合绝缘子内部缺陷放电检测方法

Dianci bileiqi, 2015
分析了棒形悬式复合绝缘子绝缘内部缺陷放电的故障形成机理及过程,依据发展不同时期的严重程度,提出相应的故障模拟方法。通过仿真计算绝缘子高压端及故障位置的电场畸变情况,验证故障模拟方法的可靠性。测量不同故障状态下棒形悬式复合绝缘子故障放电辐射的电磁波频谱,得出不同故障放电的幅频特性。同时通过紫外成像仪观察故障处的放电光子数,对比不同严重程度内部故障情况下的放电情况。试验结果证明,通过检测棒形悬式复合绝缘子加电压时缺陷处辐射电磁波的幅频特性,可以判断绝缘是否发生故障及故障的严重程度 ...
郭巍, 黄海鲲, 许军, 刘宇舜, 李涵, 周文俊, 喻剑辉   +6 more
doaj  

[Central nervous system infection mimicking neuropsychiatric systemic lupus erythematosus: A case report]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zhao K, Lu F, Wang Y.
europepmc   +1 more source

[Towards precision diagnosis and treatment: interpretation of the ten highlights of the expert consensus on the diagnosis and treatment of hereditary hyperbilirubinemia (version 2025)]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Hou W, Duan ZP, Zheng SJ.
europepmc   +1 more source

[<i>Lactobacillus plantarum</i> alleviates lead exposure-induced learning and memory impairment in mice by regulating bile acid metabolism and inhibiting hippocampal NLRP3 expression]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Li L, Yu W, Tan M, Li Y, Liu A, Meng X.
europepmc   +1 more source

[Resveratrol protects barrier function of mouse brain microvascular endothelial cell monolayers with oxygen/glucose deprivation and PM_2.5 exposure by maintaining mitochondrial dynamics balance]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Qin M, Sun S, Liu J, Gao Y, Wang H, Wang Y, Sun A, Yan J, Wang J, Yu Y.   +9 more
europepmc   +1 more source

[Meige syndrome with dyspnea as main manifestation: a report of one case and literature review]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Liu T, Xu J, Ye J.
europepmc   +1 more source

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

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

[Best evidence summary for management of sleep disorders in children with attention deficit hyperactivity disorder]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Lin YT, Luo LH, Peng TQ, Tan CW, Lei H.
europepmc   +1 more source

[Quantitative Assessment of Microvascular Changes in Diabetic Retinopathy and Their Association With Blood-Retinal Barrier Impairment]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Lei Y, Lü H, Zhou Q, Tian M, Cao Y.
europepmc   +1 more source

[<i>Xiezhuo Jiedu</i> Recipe improves ulcerative colitis in rats by regulating Th17/Treg immune balance]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Li B, Zhou X, Lang X, Kang X, Liu J.
europepmc   +1 more source