power mains

简明释义

动力干线

英英释义

例句

1.If you experience a power outage, check the power mains for any issues.

如果你遇到停电问题，请检查一下电源主开关是否有问题。

2.Make sure to turn off the power mains before performing any electrical repairs.

在进行任何电气维修之前，确保关闭电源主开关。

3.Before installing new appliances, ensure that the power mains can handle the load.

在安装新设备之前，确保电源主开关能够承受负载。

4.The technician checked the power mains to ensure there were no faults in the system.

技术人员检查了电源主开关以确保系统没有故障。

5.The safety guidelines recommend keeping the power mains accessible at all times.

安全指南建议随时保持电源主开关的可接触性。

作文

In today's world, electricity is an essential part of our daily lives. From powering our homes to enabling the operation of various devices, the importance of a reliable power supply cannot be overstated. At the heart of this electrical system lies the concept of the power mains, which refers to the primary electrical supply lines that deliver electricity from the utility provider to homes and businesses. Understanding the role of the power mains is crucial for anyone interested in how electricity works and how it impacts our daily routines.The power mains are typically composed of high-voltage transmission lines that transport electricity over long distances. These lines carry power from generating stations, such as coal, natural gas, nuclear, or renewable energy sources, to substations where the voltage is reduced for safe distribution. Once the voltage is lowered, the electricity travels through local distribution lines, which ultimately connect to individual buildings and homes. This entire process ensures that we have access to the energy we need for lighting, heating, cooling, and operating appliances.One important aspect of the power mains is the infrastructure that supports it. This includes transformers, circuit breakers, and protective devices that help manage the flow of electricity and protect against overloads or faults. For instance, if there is a sudden surge in demand or a fault in the system, circuit breakers will automatically disconnect the affected section of the power mains to prevent damage and maintain stability in the overall grid.Moreover, the reliability of the power mains is vital for modern society. Power outages can disrupt daily life, affecting everything from communication to food preservation. As a result, utility companies invest heavily in maintaining and upgrading the power mains infrastructure to ensure it can handle the increasing demand for electricity. This includes implementing smart grid technologies, which allow for better monitoring and management of electricity flow, as well as integrating renewable energy sources into the existing grid.In addition to reliability, safety is another critical concern associated with the power mains. High-voltage lines pose significant risks, and proper safety measures must be in place to protect both workers and the general public. This includes regular inspections, maintenance, and adherence to safety regulations to minimize the risk of accidents such as electrocutions or fires.Furthermore, understanding the power mains also encourages individuals to be more conscious of their energy consumption. By recognizing how electricity is delivered to their homes, people can make informed decisions about their usage, leading to greater efficiency and sustainability. Simple actions, such as turning off lights when not in use or investing in energy-efficient appliances, can contribute to reducing the overall strain on the power mains and promote a greener future.In conclusion, the power mains play a fundamental role in our everyday lives by providing the electricity we rely on. From its complex infrastructure to the importance of safety and reliability, understanding the power mains enhances our awareness of how electricity impacts us. As we move towards a more energy-conscious society, recognizing the significance of the power mains will help us appreciate the technology that powers our lives and inspire us to use energy more responsibly.

在当今世界，电力是我们日常生活中不可或缺的一部分。从为我们的家居供电到使各种设备运作，可靠的电力供应的重要性不容小觑。在这个电力系统的核心概念中，有一个术语叫做power mains，它指的是将电力从公用事业提供商输送到家庭和企业的主要电力供应线。理解power mains的作用对于任何对电力如何运作以及它如何影响我们日常生活的人来说都是至关重要的。power mains通常由高压输电线路组成，这些线路将电力长途运输。这些线路将电力从发电站（如煤炭、天然气、核能或可再生能源）输送到变电站，在那里电压被降低以便安全分配。一旦电压降低，电力就通过地方配电线路传输，最终连接到各个建筑和家庭。整个过程确保我们可以获得照明、供暖、制冷和操作电器所需的能量。power mains的一个重要方面是支持它的基础设施。这包括变压器、断路器和保护设备，这些设备有助于管理电力流动并防止过载或故障。例如，如果需求突然激增或系统发生故障，断路器会自动断开受影响的power mains部分，以防止损坏并保持整体电网的稳定。此外，power mains的可靠性对于现代社会至关重要。停电可能会扰乱日常生活，影响从通信到食品保存的方方面面。因此，公用事业公司在维护和升级power mains基础设施方面投入了大量资金，以确保其能够应对日益增长的电力需求。这包括实施智能电网技术，这些技术允许更好地监控和管理电力流动，以及将可再生能源源整合到现有电网中。除了可靠性，安全性也是与power mains相关的另一个关键问题。高压线路存在重大风险，必须采取适当的安全措施以保护工人和公众。这包括定期检查、维护以及遵守安全法规，以最小化触电或火灾等事故的风险。此外，了解power mains也鼓励个人更加关注他们的能源消费。通过认识到电力是如何送到他们家中的，人们可以做出明智的使用决策，从而实现更大的效率和可持续性。简单的行动，例如在不使用时关闭灯光或投资于节能电器，可以有助于减少对power mains的整体压力，并促进更绿色的未来。总之，power mains在我们的日常生活中发挥着基本作用，为我们提供依赖的电力。从其复杂的基础设施到安全性和可靠性的重要性，理解power mains增强了我们对电力影响的认识。随着我们向更加注重能源的社会迈进，认识到power mains的重要性将帮助我们欣赏推动我们生活的技术，并激励我们更负责任地使用能源。