This creates losses 40 times higher in a buried cable than in an aerial one.

在地下埋设电缆造成的损失是空中架设的40倍。

The system allows deployment of any combination of fence, buried cable, and microwave solutions.

该系统可以部署任何围栏、地下电缆的组合以及微波解决方案。

When lightning strikes a direct- buried cable, the over-voltage produced on the cable is inevitable.

当雷击直埋通信电缆时，必然在电缆上产生过电压。

The goal of lower cost and lower line lost and safety and reliability can be achieved by choosing rural direct-buried cable in rural LV line.

农网低压线路选择农用直埋电缆可以实现造价低、线损小、安全、可靠的目的。

Especially for the buried cable, if the fault point can't be located quickly and precisely, it would expend a lot of time, funds and manpower.

特别是对于直埋电缆，如果不能快速准确地确定故障点位置，故障的排除就会花费大量的时间、资金和人力。

Finite element method (FEM) was used to partition the area of buried cables with outer heat sources and calculate the temperature field with given cable load.

利用有限元法对有外部热源的直埋电缆区域进行剖分，计算了给定电缆负荷的温度场。

Take the measure of the breakdown of buried cable as an example, the measure method and the fixed-point skill of the buried cable fault were analyzed briefly.

以地埋电缆发生故障测寻故障点为例，就地埋电缆故障测寻方法与定点技巧进行简要分析。

Metro stray current causes serious electrochemical corrosion in the metal pipelines, communication cable epidermis and rebars in concrete main structure buried underground nearby metro.

杂散电流对地铁周围的埋地金属管道、通讯电缆外皮以及地铁主体结构钢筋等发生电化学腐蚀，产生严重的危害。

Metro stray current causes serious electrochemical corrosion in metal pipelines, communication cable epidermis and rebars in concrete main structure buried underground nearby metro.

杂散电流对地铁周围的埋地金属管道、通讯电缆外皮以及地铁主体结构钢筋等发生电化学腐蚀，产生严重的危害。

The performance of various of cable conduits is analyzed. The inspection of cable conduits and test of friction coefficient is described. The buried depth of cable conduits is calculated.

对各种电缆导管的性能进行了分析，叙述了电缆导管的检验以及摩擦系数的测试，并对电缆导管的埋地深度进行了计算。

Using a fiber optic cable sensor, the system reports the location of physical disturbances occurring anywhere along the lengths of the sensor, usually attached to a fence or buried underground.

采用光纤电缆传感器，该系统能沿着传感器长度报告所有物理干扰的地点，而且通常都附有围栏或被埋在地下。

When lightning strikes a direct buried communication cable, the over voltage produced on the cable is inevitable.

雷击直埋通信电缆产生的过电压危害非常严重。

Therefore, the seabed soil failure due to the tidal current scour in the cable route area may occur to affect the safety of submarine cable buried in the seabed soil.

路由区海底土会因潮流冲刷作用而发生失稳破坏，影响埋设在海底土中海缆的安全。

Because the power cable is buried in the ground and its running environment is complicated, so the diagnosis of cable fault location is very difficult.

电力电缆埋藏于地下，运行环境复杂，因此进行电缆的故障诊断比较困难。

This product scope including soil directly bury cable tray installed in the submerged in water and Marine mud buried in the free flow of water device laid impressed current cathodic protection system.

本产品的适用范围包括土壤中直接埋设、电缆桥架中安装、浸没在水中、埋设在海洋泥浆中和自由流动海水装置中铺设的外加电流阴极保护系统。

The utility model has the advantages that the combined anchor can effectively salvage the cable which is buried in 3m depth.

本实用新型的优点是：可以对深埋于3米的电缆进行有效打捞。