power cable

简明释义

电力电缆

英英释义

例句

1.Always unplug the power cable (电源线) before cleaning the device.

在清洁设备之前，请务必拔掉power cable (电源线)。

2.I need a longer power cable (电源线) to reach the desk.

我需要一根更长的power cable (电源线)来够到桌子。

3.Check if the power cable (电源线) is properly connected to the printer.

检查一下power cable (电源线)是否正确连接到打印机上。

4.The power cable (电源线) is damaged and needs to be replaced.

这根power cable (电源线)损坏了，需要更换。

5.Make sure to connect the power cable (电源线) securely to the outlet.

确保将power cable (电源线)牢固地连接到插座上。

作文

In our modern world, electricity plays a crucial role in our daily lives. From powering our homes to running our devices, the need for reliable energy sources is paramount. One of the most essential components in this electrical infrastructure is the power cable, which serves as the lifeline for transmitting electricity from one point to another. A power cable (电源电缆) can be defined as a type of electrical cable that is designed to carry electrical power. These cables are used in various applications, ranging from residential buildings to industrial plants, and even in the transportation sector.The design and construction of a power cable are critical for its performance and safety. Generally, a power cable consists of several layers, including conductors, insulation, and protective sheathing. The conductors, usually made of copper or aluminum, are responsible for carrying the electric current. Insulation materials, such as PVC or rubber, surround the conductors to prevent any accidental contact with other conductive materials, which could lead to short circuits or electrical shocks. The outer layer of a power cable is often made of durable materials that protect it from environmental factors, such as moisture, heat, and physical damage.There are various types of power cables designed for specific applications. For example, low-voltage cables are typically used in residential settings to connect appliances and lighting fixtures to the main power supply. On the other hand, high-voltage cables are employed in power transmission systems to transport electricity over long distances. This distinction is important because the choice of a power cable must align with the voltage requirements and safety standards of the application.Moreover, the installation of power cables requires careful planning and execution. It is essential to adhere to local regulations and codes to ensure safety and reliability. Proper installation minimizes the risk of electrical hazards, such as fire or electrocution. Additionally, regular maintenance and inspection of power cables are necessary to identify any signs of wear or damage. This proactive approach can help prevent unforeseen outages and prolong the lifespan of the cables.The advancement in technology has also led to the development of innovative power cables. For instance, the emergence of smart cables equipped with sensors allows for real-time monitoring of electrical conditions. These smart cables can detect faults and alert users, enhancing safety and efficiency in electrical systems. Furthermore, the push for renewable energy sources has increased the demand for specialized power cables that can handle the unique requirements of solar panels and wind turbines.In conclusion, the significance of power cables (电源电缆) in our electrical systems cannot be overstated. They are vital for ensuring a steady supply of electricity, enabling us to enjoy the conveniences of modern living. As technology continues to evolve, so will the designs and functionalities of power cables, shaping the future of energy transmission and consumption. Understanding the importance of these cables is essential for anyone involved in the electrical industry or simply looking to understand how electricity powers our world.

在我们现代世界中，电力在我们的日常生活中扮演着至关重要的角色。从为我们的家提供动力到运行我们的设备，对可靠能源来源的需求是至关重要的。在这个电气基础设施中，最基本的组成部分之一是电源电缆，它作为将电力从一个点传输到另一个点的生命线。电源电缆（power cable）可以定义为一种设计用于传输电力的电缆。这些电缆用于各种应用，从住宅建筑到工业厂房，甚至在交通运输领域。电源电缆的设计和构造对其性能和安全性至关重要。一般来说，电源电缆由几个层次组成，包括导体、绝缘层和保护外皮。导体通常由铜或铝制成，负责承载电流。绝缘材料，如PVC或橡胶，包围导体，以防止意外接触其他导电材料，这可能导致短路或电击。电源电缆的外层通常由耐用材料制成，以保护其免受环境因素的影响，如潮湿、热量和物理损坏。有多种类型的电源电缆专门设计用于特定应用。例如，低压电缆通常用于住宅环境，将电器和照明设备连接到主电源。而高压电缆则用于电力传输系统，以长距离运输电力。这一区别很重要，因为选择电源电缆必须与应用的电压要求和安全标准相一致。此外，电源电缆的安装需要仔细规划和执行。遵循当地法规和规范以确保安全和可靠性是至关重要的。适当的安装可以最大限度地降低电气危险的风险，例如火灾或触电。此外，定期维护和检查电源电缆是必要的，以识别任何磨损或损坏的迹象。这种主动的方法可以帮助防止意外停电并延长电缆的使用寿命。技术的进步也导致了创新电源电缆的发展。例如，配备传感器的智能电缆的出现允许实时监测电气条件。这些智能电缆可以检测故障并提醒用户，提高电气系统的安全性和效率。此外，推动可再生能源的需求增加了对能够满足太阳能电池板和风力涡轮机独特要求的专用电源电缆的需求。总之，电源电缆（power cable）在我们的电气系统中的重要性不容小觑。它们对确保稳定的电力供应至关重要，使我们能够享受现代生活的便利。随着技术的不断发展，电源电缆的设计和功能也将不断演变，塑造能源传输和消费的未来。理解这些电缆的重要性对于任何参与电气行业的人或只是想了解电力如何为我们的世界提供动力的人来说都是必不可少的。