overhead power transmission line
简明释义
架空电力线
英英释义
An overhead power transmission line is a type of electrical power line that is supported by towers or poles and is used to transmit electricity over long distances. | 架空电力输送线是一种由塔或杆支撑的电力线路,用于长距离输送电力。 |
例句
1.Technicians are conducting routine maintenance on the overhead power transmission line in our neighborhood.
技术人员正在对我们社区的架空电力输送线进行例行维护。
2.The city council decided to upgrade the overhead power transmission line to improve reliability.
市议会决定升级架空电力输送线以提高可靠性。
3.The overhead power transmission line installation was completed ahead of schedule.
安装架空电力输送线的工作提前完成。
4.During the storm, many overhead power transmission lines were damaged, causing widespread outages.
在暴风雨期间,许多架空电力输送线受损,导致大范围停电。
5.Birds often nest on the overhead power transmission lines, which can create hazards.
鸟类常常在架空电力输送线上筑巢,这可能会造成危险。
作文
In today's modern world, the demand for electricity is ever-increasing. To meet this demand, various methods of electricity transmission have been developed. One of the most common and effective methods is through the use of overhead power transmission lines. These lines are essential for transporting electricity from power plants to homes and businesses across vast distances. Understanding how these lines work and their importance in our daily lives is crucial for appreciating the infrastructure that supports our energy needs.Overhead power transmission lines refer to the wires and cables that are suspended above ground, supported by poles or towers. They are designed to carry high-voltage electricity over long distances with minimal loss of energy. The use of high voltage allows for efficient transmission, as it reduces the current flowing through the wires, thereby minimizing heat loss due to resistance. This is particularly important when electricity needs to be transported from remote power generation sites, such as wind farms or hydroelectric plants, to urban centers where it is consumed.One of the key advantages of overhead power transmission lines is their relatively low installation and maintenance costs compared to underground cables. While underground systems are often preferred in urban areas for aesthetic reasons and to protect them from environmental damage, they can be significantly more expensive to install and repair. In contrast, overhead lines can be installed quickly and can be easily accessed for maintenance and repairs, making them a practical choice for many regions.However, overhead power transmission lines are not without their challenges. They are subject to various environmental factors, including weather conditions such as storms, high winds, and ice accumulation, which can lead to power outages if the lines are damaged. Additionally, there are concerns about the impact of these lines on wildlife and the landscape. Birds can collide with the wires, and the presence of tall structures can alter local ecosystems. As a result, careful planning and consideration are required when designing and installing these transmission systems.Another important aspect of overhead power transmission lines is their role in the electrical grid. The grid is a complex network that connects power plants to consumers, ensuring that electricity is available where and when it is needed. Overhead lines serve as the backbone of this grid, linking different regions and enabling the transfer of electricity between them. This interconnectedness is vital for balancing supply and demand, especially during peak usage times.In recent years, advancements in technology have led to improvements in the design and efficiency of overhead power transmission lines. Innovations such as high-temperature superconductors and better insulating materials have enhanced their performance and reliability. Furthermore, the integration of smart grid technology allows for real-time monitoring and management of electricity flow, helping to prevent outages and improve overall system efficiency.In conclusion, overhead power transmission lines play a critical role in our energy infrastructure, enabling the efficient transport of electricity over long distances. While they face challenges related to environmental impacts and weather-related vulnerabilities, their advantages in terms of cost and accessibility make them an essential component of the electrical grid. As we continue to develop and innovate in the field of energy transmission, understanding the significance of these lines will help us appreciate the complex systems that power our daily lives.
在当今现代世界,电力的需求不断增加。为了满足这一需求,各种电力传输方法应运而生。其中一种最常见且有效的方法就是使用架空电力输电线。这些线路对于将电力从发电厂输送到家庭和企业跨越广阔的距离至关重要。理解这些线路如何工作及其在我们日常生活中的重要性,对于欣赏支持我们能源需求的基础设施至关重要。架空电力输电线是指悬挂在地面上方的电缆和导线,由电杆或塔支撑。它们旨在以最小的能量损失将高压电力长距离传输。使用高电压可以实现高效传输,因为它减少了流经导线的电流,从而最小化因电阻引起的热损失。这对于需要将电力从偏远的发电地点(如风电场或水电站)运输到城市中心的情况尤为重要。架空电力输电线的一大优势是与地下电缆相比,其安装和维护成本相对较低。虽然出于美观和保护环境的原因,地下系统通常在城市地区受到青睐,但其安装和修复的费用可能显著更高。相比之下,架空线路可以快速安装,并且易于进行维修和保养,使其成为许多地区的实际选择。然而,架空电力输电线并非没有挑战。它们受到各种环境因素的影响,包括天气条件,如风暴、高风和冰雪积累,这些都可能导致线路损坏而导致停电。此外,人们还担心这些线路对野生动物和景观的影响。鸟类可能会与电线相撞,而高耸的结构可能改变当地生态系统。因此,在设计和安装这些输电系统时,需要进行仔细的规划和考虑。架空电力输电线的另一个重要方面是它们在电网中的作用。电网是一个复杂的网络,将发电厂与消费者连接起来,确保在需要时提供电力。架空线路作为这个电网的支柱,连接不同地区,使得电力能够在它们之间转移。这种互联互通对于平衡供需至关重要,尤其是在高峰用电时段。近年来,技术的进步使得架空电力输电线的设计和效率得到了改善。高温超导体和更好的绝缘材料等创新提高了它们的性能和可靠性。此外,智能电网技术的整合允许实时监控和管理电力流动,有助于防止停电并提高整体系统效率。总之,架空电力输电线在我们的能源基础设施中发挥着关键作用,使电力能够高效地长距离传输。尽管它们面临与环境影响和天气相关的脆弱性挑战,但在成本和可及性方面的优势使其成为电网的重要组成部分。随着我们在电力传输领域的不断发展和创新,理解这些线路的重要性将有助于我们欣赏为我们的日常生活提供动力的复杂系统。