1) water tree
水树枝
1.
Current characteristics of ultra-low frequency harmonic response in XLPE cable containing water treeing;
含水树枝XLPE电缆的超低频谐波响应电流特性实验研究
2.
This paper investigated the influence of the geometrical dimensions(the length and width) of the water tree in its early stage on the distribution of internal electric field on the basis of the numerical experiment using finite element method(FEM).
鉴于水树是交联聚乙烯(XLPE)绝缘电缆的主要劣化现象之一,而正确的评价电场分布对理解水树的生长机理及水树引起的介质击穿非常重要,利用有限元方法研究了水树枝初步生长阶段其几何参数(宽度和长度)对水树内部电场的影响。
3.
The test results show that through the resistive current detection,it can check the XLPE cable s mechanical damage and the water tree insulation flaws.
设计了相应的试验电路,进行了通过在电缆绝缘上施加工频电压测量阻性电流的试验,试验结果表明,通过对电缆阻性电流的检测可以很明显地观测出电缆机械损伤的程度和水树枝缺陷。
2) water treeing
水树枝
1.
This study aims to investigate the role of the electric field intensity in the water treeing phenimena under the simultaneous consideration of the physical and chemical properties of XLPE cable insulation.
采用具有不同物理化学性能的热老化XLPE电缆绝缘和与外加电场梯度方向成一定角度的非常规的水针电极结构进行水树枝加速老化实验,用有限元方法对水树加速老化实验中采用的结构模型进行数值电场分析,研究了水树尖端处电场增强对水树枝老化发展的影响。
2.
However,it has been found that the dielectric performance of XLPE cables will decrease largely after water ingress into the cable,especially water treeing which seriously affects cable service lifetime and reliability will be initiated.
但是在数十年的运行过程中发现,电缆受潮以后性能会大幅下降,特别是容易引发会严重影响电缆使用寿命和可靠性的水树枝。
3) water branch
水树枝
4) water tree degradation
水树枝劣化
1.
the mechanism of water tree degradation,was expounded.
重点介绍了交联电缆绝缘击穿接地的主要原因———水树枝劣化机理,阐述了降低水树枝劣化速率的主要对策及寻找交联电缆接地故障点的方法。
6) arborescent drainage pattern
树枝状排水系
补充资料：地下水水资源评价(见水资源评价)
地下水水资源评价(见水资源评价)
d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条