mains supply

简明释义

电网供电交流电源

英英释义

例句

1.The refrigerator is connected to the mains supply.

冰箱连接到市电供电。

2.Please ensure that the mains supply is turned off before servicing the appliance.

在维修设备之前，请确保市电供电已关闭。

3.This device requires a stable mains supply for optimal performance.

该设备需要稳定的市电供电以获得最佳性能。

4.You should check the mains supply if your equipment isn't working.

如果您的设备无法正常工作，您应该检查一下市电供电。

5.The lights flickered because of a problem with the mains supply.

灯光闪烁是因为市电供电出现了问题。

作文

The concept of mains supply is fundamental in understanding how electricity is distributed and utilized in our homes and industries. The term refers to the primary source of electrical power that is provided by the local utility company. In most urban areas, this means that homes and businesses are connected to a vast network of power lines that deliver electricity directly from power plants. This mains supply is typically alternating current (AC), which is suitable for powering the majority of household appliances and electronic devices.One of the most significant advantages of having a reliable mains supply is the convenience it offers. With a stable electrical connection, we can enjoy modern amenities such as lighting, heating, and refrigeration. These conveniences have revolutionized our way of life, allowing us to live comfortably and efficiently. For instance, imagine a world without the mains supply; we would be forced to rely on alternative sources of energy like candles for light, wood for heating, and ice houses for refrigeration – all of which are far less efficient and more labor-intensive.Moreover, the mains supply is essential for various industries that rely on electricity to operate machinery, run computers, and maintain production lines. Without a consistent and reliable power source, businesses would struggle to function effectively, leading to losses in productivity and revenue. The dependency on mains supply highlights the importance of infrastructure in supporting economic growth and development.However, the reliance on mains supply also raises concerns about sustainability and energy consumption. As the demand for electricity continues to rise, so does the need for cleaner and more sustainable energy sources. This has led to increased interest in renewable energy technologies, such as solar panels and wind turbines. Many homeowners are now exploring ways to supplement their mains supply with renewable energy solutions to reduce their carbon footprint and lower their energy bills.In addition, power outages can occur due to various reasons, including extreme weather conditions, equipment failures, or maintenance work. These interruptions can be particularly disruptive, especially for those who rely heavily on the mains supply for medical equipment or other critical services. As a result, many people are investing in backup generators or battery systems to ensure they have a reliable power source during outages.In conclusion, the mains supply is a vital component of modern life, providing the electricity necessary for our daily activities and the functioning of our economy. While it offers numerous benefits, it also presents challenges that require us to rethink our energy consumption and explore sustainable alternatives. As we move forward, finding a balance between utilizing the mains supply and adopting renewable energy sources will be crucial for a sustainable future. Understanding the implications of our reliance on this power source is essential for making informed decisions about energy usage and conservation.

“主电源”这一概念在理解电力如何在我们的家庭和工业中分配和利用方面是基础性的。该术语指的是由当地公用事业公司提供的电力的主要来源。在大多数城市地区，这意味着家庭和企业连接到一张庞大的电力网络，该网络直接将电力从发电厂输送过来。这个“主电源”通常是交流电（AC），适合为大多数家用电器和电子设备供电。拥有可靠的“主电源”的最大优势之一就是它所提供的便利。通过稳定的电力连接，我们可以享受现代便利设施，如照明、取暖和制冷。这些便利设施彻底改变了我们的生活方式，使我们能够舒适高效地生活。例如，想象一个没有“主电源”的世界；我们将不得不依赖替代能源，如蜡烛照明、木材取暖和冰屋制冷——所有这些都远不如电力高效，并且劳动强度更大。此外，“主电源”对于依赖电力运作机器、运行计算机和维持生产线的各个行业至关重要。没有一致可靠的电源，企业将难以有效运作，导致生产力和收入的损失。对“主电源”的依赖突显了基础设施在支持经济增长和发展的重要性。然而，对“主电源”的依赖也引发了关于可持续性和能源消耗的担忧。随着电力需求的不断上升，对更清洁、更可持续能源来源的需求也在增加。这促使人们对可再生能源技术产生了更大的兴趣，例如太阳能电池板和风力涡轮机。许多家庭现在正在探索如何用可再生能源解决方案来补充他们的“主电源”，以减少碳足迹并降低能源账单。此外，由于各种原因，停电可能会发生，包括极端天气条件、设备故障或维护工作。这些中断可能特别具有破坏性，尤其是对于那些依赖“主电源”提供医疗设备或其他关键服务的人。因此，许多人正在投资备用发电机或电池系统，以确保在停电期间拥有可靠的电源。总之，“主电源”是现代生活的一个重要组成部分，为我们的日常活动和经济运作提供必要的电力。虽然它带来了许多好处，但也提出了需要我们重新思考能源消费并探索可持续替代方案的挑战。随着我们向前发展，找到利用“主电源”和采用可再生能源之间的平衡将对可持续未来至关重要。理解我们对这一电源的依赖的影响对于做出有关能源使用和节约的明智决策至关重要。