overhead line

简明释义

架空线路

英英释义

A wire or cable that is suspended above the ground, typically used for the transmission of electricity or telecommunications.

悬挂在地面之上的电线或电缆,通常用于电力或电信的传输。

例句

1.Workers are required to wear safety gear when working near overhead lines.

工人在靠近架空线工作时需要穿戴安全装备。

2.The new housing development will have overhead lines installed for electricity.

新的住宅开发项目将安装架空线供电。

3.During the storm, several overhead lines were knocked down by fallen trees.

在风暴期间,几条架空线被倒下的树木击倒。

4.The maintenance crew inspected the overhead line for any signs of wear and tear.

维护小组检查了架空线是否有磨损的迹象。

5.The city plans to upgrade the overhead line system to improve reliability.

市政府计划升级架空线系统以提高可靠性。

作文

In today's rapidly evolving world, the importance of reliable energy sources cannot be overstated. One of the most common methods of transmitting electricity is through an overhead line, which refers to a system of wires that carry electrical power above ground, typically supported by poles or towers. These overhead lines play a crucial role in connecting power plants to substations and ultimately delivering electricity to homes and businesses. The design of an overhead line involves careful consideration of several factors, including the material used for the conductors, the height of the poles, and the distance between them. Typically, aluminum or copper is used for the conductors due to their excellent conductivity and durability. The height of the poles is also vital, as it ensures that the overhead lines are safely above the ground and free from obstacles such as trees and buildings. One of the key advantages of using overhead lines is their relatively low installation cost compared to underground systems. While underground cables can provide aesthetic benefits and reduced risk of outages due to weather conditions, they are significantly more expensive to install and maintain. In contrast, overhead lines can be erected quickly and with less labor-intensive processes, making them a preferred choice for many utility companies.However, overhead lines are not without their challenges. They are susceptible to damage from severe weather conditions, such as high winds, ice storms, and lightning strikes. These events can lead to power outages, which can disrupt daily life and economic activities. To mitigate these risks, utility companies often implement regular maintenance programs and invest in technology to monitor the condition of their overhead lines. For instance, drones equipped with cameras can inspect the lines for wear and tear, allowing for proactive repairs before issues escalate.Moreover, overhead lines can have environmental impacts. The visual intrusion of these lines in natural landscapes can be a concern for communities, and there are ongoing debates about the placement of new overhead lines in sensitive areas. Additionally, electromagnetic fields generated by these lines have raised health concerns among certain populations, prompting further research into their effects.In conclusion, overhead lines are an essential component of our electrical infrastructure, providing a cost-effective means of delivering power. While they present certain challenges, the benefits they offer in terms of efficiency and rapid deployment make them a staple in the energy sector. As we continue to seek sustainable energy solutions, the role of overhead lines will remain significant in ensuring that electricity reaches every corner of our society efficiently and reliably.

在当今快速发展的世界中,可靠能源来源的重要性不容小觑。传输电力的最常见方法之一是通过架空线路,这指的是一套在地面以上携带电力的电线,通常由电杆或塔支撑。这些架空线路在将发电厂与变电站连接并最终将电力输送到家庭和企业方面发挥着至关重要的作用。架空线路的设计需要仔细考虑多个因素,包括导体所用的材料、电杆的高度以及它们之间的距离。通常,铝或铜被用于导体,因为它们具有优良的导电性和耐用性。电杆的高度也至关重要,因为它确保架空线路安全地高于地面,并远离树木和建筑物等障碍物。使用架空线路的一个主要优点是与地下系统相比,其安装成本相对较低。虽然地下电缆可以提供美学好处并降低由于天气条件导致的停电风险,但它们的安装和维护成本显著更高。相比之下,架空线路可以快速建立,且过程相对不那么劳动密集,这使得它们成为许多公用事业公司的首选。然而,架空线路并非没有挑战。它们容易受到恶劣天气条件的损害,例如强风、冰暴和雷击。这些事件可能导致停电,从而干扰日常生活和经济活动。为了减轻这些风险,公用事业公司通常会实施定期维护程序并投资于技术,以监测其架空线路的状况。例如,配备摄像头的无人机可以检查电线的磨损情况,从而在问题升级之前进行主动修复。此外,架空线路可能对环境产生影响。这些线路在自然景观中的视觉干扰可能会引起社区的担忧,并且关于在敏感地区新建架空线路的争论仍在继续。此外,这些线路产生的电磁场引发了某些人群的健康担忧,促使进一步研究其影响。总之,架空线路是我们电力基础设施的重要组成部分,提供了一种成本效益高的电力输送方式。尽管它们存在某些挑战,但它们在效率和快速部署方面所提供的好处使其成为能源部门的主流。随着我们继续寻找可持续的能源解决方案,架空线路在确保电力有效可靠地到达我们社会的每个角落方面仍将发挥重要作用。