contact wire

简明释义

接触导线

英英释义

例句

1.During maintenance, workers inspected the contact wire 接触线 for any signs of wear and tear.

在维护期间，工人检查了接触线是否有磨损的迹象。

2.The train's pantograph must maintain contact with the contact wire 接触线 to ensure a steady flow of electricity.

火车的受电弓必须与接触线保持接触，以确保电力的稳定流动。

3.The overhead contact wire 接触线 is crucial for the operation of electric trains in urban areas.

城市地区电动列车的运行中，架空的接触线至关重要。

4.If the contact wire 接触线 is damaged, the entire railway system can be affected.

如果接触线受损，整个铁路系统可能会受到影响。

5.The height of the contact wire 接触线 must be carefully calibrated for different types of trains.

不同类型的列车需要对接触线的高度进行仔细校准。

作文

The term contact wire refers to the wire used in overhead electric railway systems, which provides the necessary electrical power for trains. This wire is typically suspended above the tracks and is an essential component of electric traction systems. The contact wire is designed to maintain continuous electrical contact with the train's pantograph, a device mounted on the roof of electric trains that collects electricity from the wire. In many urban areas, electric trains are preferred due to their efficiency and lower environmental impact compared to diesel-powered trains. The contact wire plays a crucial role in ensuring that these electric trains operate smoothly and reliably. It is usually made of high-conductivity materials such as copper or aluminum, which are lightweight yet capable of carrying significant electrical loads. The installation of contact wire requires careful planning and engineering to ensure that it remains at the correct height and tension. If the wire is too loose, it may sag significantly, leading to potential disconnection with the pantograph. Conversely, if it is too tight, it may cause excessive wear and tear on both the wire and the supporting structures. Engineers must also consider factors such as temperature changes, wind load, and the weight of the wire itself when designing the support system for the contact wire. In addition to its structural requirements, the contact wire must be regularly maintained to prevent issues such as corrosion or damage from environmental factors. Routine inspections are essential to ensure that the wire remains in good condition and continues to provide reliable service. Many transit authorities have adopted advanced monitoring technologies that can detect wear and tear on the contact wire before it becomes a significant problem. Overall, the importance of the contact wire cannot be overstated in the context of modern electric rail systems. It not only facilitates the efficient operation of trains but also contributes to the overall safety and reliability of public transportation. As cities continue to expand and the demand for sustainable transportation options grows, the role of the contact wire will remain vital in shaping the future of urban transit systems. In conclusion, understanding the function and significance of the contact wire is essential for anyone involved in railway engineering or public transportation planning. It serves as a reminder of the intricate systems that work together to keep trains running smoothly and efficiently, ultimately enhancing the commuter experience and promoting greener modes of transport.

短语contact wire指的是在电气铁路系统中使用的供电线，提供列车所需的电力。该电线通常悬挂在轨道上方，是电气牵引系统的重要组成部分。contact wire旨在与列车的受电弓保持持续的电接触，受电弓是安装在电动车辆顶部的设备，用于从电线收集电力。在许多城市地区，由于电力驱动列车的效率和对环境影响较小，它们比柴油动力列车更受欢迎。contact wire在确保这些电动车辆平稳可靠运行方面发挥着至关重要的作用。它通常由高导电性材料如铜或铝制成，这些材料轻便但能够承载显著的电负荷。contact wire的安装需要仔细的规划和工程设计，以确保其保持在正确的高度和张力。如果电线过松，可能会显著下垂，导致与受电弓的潜在断开。相反，如果电线过紧，可能会对电线和支撑结构造成过度磨损。工程师还必须考虑温度变化、风载荷和电线本身的重量等因素来设计contact wire的支撑系统。除了结构要求外，contact wire还必须定期维护，以防止腐蚀或环境因素造成的损坏。常规检查对于确保电线保持良好状态并持续提供可靠服务至关重要。许多公共交通机构已经采用先进的监测技术，可以在contact wire出现重大问题之前检测到磨损和撕裂。总的来说，在现代电气铁路系统中，contact wire的重要性不容低估。它不仅促进了列车的高效运行，还对公共交通的整体安全性和可靠性做出了贡献。随着城市的不断扩展以及对可持续交通选项的需求增长，contact wire的角色将继续在塑造城市交通系统的未来中至关重要。总之，理解contact wire的功能和重要性对于任何参与铁路工程或公共交通规划的人来说都是必不可少的。这提醒我们，众多复杂的系统共同协作，以保持列车的平稳高效运行，最终提升通勤体验，并促进更绿色的交通方式。