alternating current mains

简明释义

交流馈电线

英英释义

例句

1.In our workshop, we use tools that are powered directly from the alternating current mains 交流电主电源 for efficiency.

在我们的工作坊中，我们使用直接从交流电主电源供电的工具以提高效率。

2.The electrician checked the voltage levels on the alternating current mains 交流电主电源 to ensure they were safe for installation.

电工检查了交流电主电源的电压水平，以确保它们在安装时是安全的。

3.To power the LED lights, we tapped into the alternating current mains 交流电主电源 in the ceiling.

为了给LED灯供电，我们从天花板的交流电主电源接入电源。

4.When troubleshooting electrical issues, it's crucial to understand how the alternating current mains 交流电主电源 operates.

在排查电气问题时，了解交流电主电源的工作原理至关重要。

5.The new building was designed with energy-efficient systems connected to the alternating current mains 交流电主电源.

新建筑设计了与交流电主电源连接的节能系统。

作文

In today's modern world, electricity plays a crucial role in our daily lives. One of the most significant sources of power is the alternating current mains, which is the electrical system used to deliver power to homes and businesses. Understanding how this system works is essential for anyone looking to grasp the fundamentals of electrical engineering or simply to appreciate the technology that powers our everyday devices.The term alternating current mains refers to the electrical supply that uses alternating current (AC) as opposed to direct current (DC). In an AC system, the flow of electric charge periodically reverses direction, which allows for efficient transmission of electricity over long distances. This is particularly important because it minimizes energy loss, making it more economical to deliver power from generating stations to consumers.Historically, the development of alternating current mains can be traced back to the late 19th century when inventors like Nikola Tesla and George Westinghouse championed its use. They recognized that AC could be transformed to higher voltages, allowing it to travel longer distances without significant losses. This led to the widespread adoption of AC systems, which eventually became the standard for electrical distribution worldwide.One of the primary advantages of alternating current mains is its ability to easily convert between different voltage levels using transformers. This capability is vital for efficiently distributing electricity. For instance, high-voltage transmission lines carry electricity over long distances, and once it reaches urban areas, transformers reduce the voltage to safer levels suitable for residential and commercial use.Moreover, the use of alternating current mains has facilitated the development of various household appliances and industrial machinery. Most of these devices are designed to operate on AC power, which means they can take advantage of the existing infrastructure without requiring additional converters or modifications. This compatibility has spurred innovation and convenience in both domestic and industrial settings.However, while alternating current mains has numerous benefits, it also comes with some challenges. For example, AC systems can produce electromagnetic interference, which may affect sensitive electronic equipment. Additionally, safety concerns arise because AC can be more dangerous than DC at certain voltages, necessitating stringent safety standards and regulations in electrical installations.In conclusion, the alternating current mains system is a fundamental aspect of modern electrical infrastructure. Its ability to efficiently transmit power over long distances and support a wide range of devices has made it indispensable in our daily lives. As technology continues to evolve, understanding the principles behind alternating current mains will remain essential for both professionals in the field and everyday consumers who rely on electricity for their daily activities. By appreciating the complexity and utility of this system, we can better understand the role of electricity in shaping our world and driving future innovations.

在当今现代社会，电力在我们的日常生活中扮演着至关重要的角色。其中一个最重要的电源是交流电主电源，这是用于将电力输送到家庭和企业的电气系统。了解这个系统如何运作对于任何想要掌握电气工程基础知识的人来说都是必不可少的，或者仅仅是为了欣赏为我们的日常设备提供动力的技术。术语交流电主电源指的是使用交流电（AC）而不是直流电（DC）的电源。在交流电系统中，电荷的流动会周期性地改变方向，这使得高效地在长距离上传输电力成为可能。这一点尤其重要，因为它最小化了能源损失，使得从发电站向消费者输送电力更加经济。历史上，交流电主电源的发展可以追溯到19世纪末，当时尼古拉·特斯拉和乔治·威斯汀豪斯等发明家倡导其使用。他们意识到，交流电可以转换为更高的电压，从而使其能够在不显著损失的情况下进行长距离传输。这导致了交流电系统的广泛采用，最终成为全球电力分配的标准。交流电主电源的主要优点之一是它能够通过变压器轻松地在不同电压水平之间转换。这种能力对于有效分配电力至关重要。例如，高压输电线在长距离内输送电力，而一旦到达城市区域，变压器就会将电压降低到适合住宅和商业使用的安全水平。此外，使用交流电主电源促进了各种家用电器和工业机械的发展。大多数这些设备都是设计为在交流电上运行，这意味着它们可以利用现有的基础设施，而不需要额外的转换器或修改。这种兼容性在家庭和工业环境中推动了创新和便利。然而，尽管交流电主电源有许多好处，但也面临一些挑战。例如，交流电系统可能产生电磁干扰，这可能影响敏感的电子设备。此外，由于在某些电压下交流电可能比直流电更危险，因此在电气安装中需要严格的安全标准和法规。总之，交流电主电源系统是现代电气基础设施的一个基本方面。它高效地在长距离上传输电力并支持各种设备的能力使其在我们的日常生活中不可或缺。随着技术的不断发展，理解交流电主电源背后的原理将对该领域的专业人士和依赖电力进行日常活动的普通消费者保持重要性。通过欣赏这个系统的复杂性和实用性，我们可以更好地理解电力在塑造我们的世界和推动未来创新中的作用。