traction unit

简明释义

牵引装置

英英释义

例句

1.Each traction unit 牵引单元 can pull up to 10,000 tons of freight.

每个牵引单元 牵引单元可以拉动多达10,000吨的货物。

2.The train's traction unit 牵引单元 is responsible for providing the necessary power to move the cars.

列车的牵引单元 牵引单元负责提供必要的动力以移动车厢。

3.A malfunction in the traction unit 牵引单元 can cause delays in train schedules.

在牵引单元 牵引单元中发生故障可能会导致列车时刻表的延误。

4.Engineers are testing the new traction unit 牵引单元 to improve efficiency in electric trains.

工程师正在测试新的牵引单元 牵引单元以提高电动列车的效率。

5.The traction unit 牵引单元 consists of both the motor and the gearbox.

该牵引单元 牵引单元由电动机和齿轮箱组成。

作文

In the field of transportation, the term traction unit refers to a vehicle or a component that provides the necessary force to move a train or other forms of rail transport. This concept is crucial for understanding how trains operate and the mechanics behind their movement. A traction unit can be an entire locomotive or a part of a multiple-unit train system that includes both power and control functions. The efficiency and effectiveness of these units play a significant role in the overall performance of rail systems.One of the primary functions of a traction unit is to convert electrical energy into mechanical energy. In electric trains, for instance, the traction unit consists of electric motors that drive the wheels. This conversion process is essential for achieving the desired speed and acceleration, allowing trains to transport passengers and freight over long distances efficiently. Furthermore, modern traction units are designed with advanced technologies such as regenerative braking systems, which help in recovering energy during braking and improving energy efficiency.Additionally, the design of a traction unit has evolved significantly over the years. Early locomotives relied on steam engines, which were heavy and required substantial maintenance. However, with advancements in technology, diesel and electric traction units have become more prevalent. Diesel locomotives offer greater flexibility and can operate on tracks without electrification, while electric traction units are known for their high speeds and lower emissions.The choice of a traction unit can greatly affect the operational costs of a railway system. Electric traction units, while typically more expensive to install due to the infrastructure required, often result in lower operational costs due to their efficiency and lower fuel costs. On the other hand, diesel traction units may have higher fuel costs but do not require extensive trackside infrastructure, making them a viable option for many rail operators.Moreover, the integration of technology into traction units has led to improved safety and reliability. Modern trains equipped with sophisticated monitoring systems can provide real-time data about the performance of the traction unit, enabling timely maintenance and reducing the risk of breakdowns. These advancements contribute to a safer travel experience for passengers and a more reliable service for freight operators.In conclusion, the traction unit is a fundamental component of railway systems, playing a pivotal role in the movement of trains. Understanding its function, evolution, and impact on operational efficiency is essential for anyone interested in transportation engineering or railway operations. As technology continues to advance, the future of traction units will likely see even more innovations, leading to faster, safer, and more environmentally friendly rail travel. The importance of traction units cannot be overstated, as they are the driving force behind the efficiency and effectiveness of modern rail transport systems.

在交通运输领域，术语牵引单元指的是提供必要动力以移动火车或其他形式的轨道交通的车辆或组件。这个概念对于理解火车是如何运作以及其运动背后的机械原理至关重要。牵引单元可以是整个机车，或者是包括动力和控制功能的多单元列车系统的一部分。这些单元的效率和有效性在铁路系统的整体性能中发挥着重要作用。牵引单元的主要功能之一是将电能转化为机械能。例如，在电动火车中，牵引单元由驱动车轮的电动机组成。这个转化过程对于实现所需的速度和加速度至关重要，使火车能够高效地运输乘客和货物长途旅行。此外，现代的牵引单元还设计了先进的技术，例如再生制动系统，这有助于在制动过程中回收能量并提高能效。此外，牵引单元的设计多年来发生了显著变化。早期的机车依赖蒸汽机，这些机车笨重且需要大量维护。然而，随着技术的进步，柴油和电动牵引单元变得更加普遍。柴油机车提供了更大的灵活性，可以在没有电气化的轨道上运行，而电动牵引单元因其高速和低排放而受到欢迎。牵引单元的选择会极大影响铁路系统的运营成本。电动牵引单元虽然通常由于所需基础设施而安装成本较高，但由于其效率和较低的燃料成本，往往导致较低的运营成本。另一方面，柴油牵引单元可能燃料成本较高，但不需要广泛的轨道基础设施，因此对许多铁路运营商来说是一个可行的选择。此外，将技术整合到牵引单元中也提高了安全性和可靠性。配备复杂监控系统的现代火车可以提供有关牵引单元性能的实时数据，从而实现及时维护并减少故障风险。这些进步为乘客提供了更安全的旅行体验，并为货运运营商提供了更可靠的服务。总之，牵引单元是铁路系统的基本组成部分，在火车的移动中发挥着关键作用。理解其功能、演变及对运营效率的影响，对于任何对交通工程或铁路运营感兴趣的人来说都是必不可少的。随着技术的不断进步，未来的牵引单元可能会看到更多的创新，带来更快、更安全和更环保的铁路旅行。牵引单元的重要性不容小觑，因为它们是现代铁路运输系统效率和有效性的驱动力。