mains frequency

简明释义

电源频率；市电频率

英英释义

例句

1.The device is designed to operate at the standard mains frequency 电网频率 of 50 Hz.

该设备设计为在标准电网频率 mains frequency 50 Hz下运行。

2.A stable mains frequency 电网频率 is crucial for the reliability of power systems.

稳定的电网频率 mains frequency 对电力系统的可靠性至关重要。

3.In some regions, the mains frequency 电网频率 can vary slightly due to demand fluctuations.

在某些地区，电网频率 mains frequency 可能会因需求波动而略有变化。

4.The generator can be adjusted to match the mains frequency 电网频率 of the grid.

发电机可以调整以匹配电网的电网频率 mains frequency 。

5.Electrical appliances should be compatible with the local mains frequency 电网频率 to function properly.

电器应与当地的电网频率 mains frequency 兼容，以正常工作。

作文

The term mains frequency refers to the standard frequency of alternating current (AC) electricity supplied by power grids in various countries. In most parts of the world, this frequency is either 50 Hz or 60 Hz, depending on regional standards. Understanding mains frequency is crucial for both consumers and engineers alike, as it affects how electrical devices operate and interact with the power supply. For instance, in regions where the mains frequency is set at 50 Hz, appliances are designed to function optimally at this frequency. If a device rated for 50 Hz is used in a 60 Hz environment, it may run faster than intended, potentially leading to premature wear or malfunction. Conversely, devices built for 60 Hz may struggle to operate efficiently in a 50 Hz system, resulting in reduced performance or even failure. The historical development of mains frequency dates back to the late 19th century when electrical systems began to emerge. Engineers had to choose a frequency that would balance efficiency and safety. The decision for 50 Hz or 60 Hz was largely influenced by various factors, including the design of generators and transformers, as well as the length of transmission lines. Over time, these frequencies became standardized within different regions, leading to the global division we see today. In addition to its impact on household appliances, mains frequency also plays a significant role in industrial applications. Many industrial machines rely on AC motors that are designed to operate at a specific frequency. If the frequency deviates from the norm, it can cause issues such as overheating or inefficient operation. Thus, industries must ensure that their power supply maintains the correct mains frequency to avoid costly downtime and repairs. Moreover, the stability of mains frequency is vital for the overall health of the electrical grid. Power plants and grid operators monitor the frequency closely, as fluctuations can indicate an imbalance between supply and demand. When too much electricity is consumed without adequate generation, the frequency can drop, leading to potential blackouts. Conversely, excess generation can cause the frequency to rise, which can damage equipment connected to the grid. Therefore, maintaining a stable mains frequency is essential for reliable electricity supply. In recent years, the integration of renewable energy sources has brought new challenges to maintaining the traditional mains frequency. Wind and solar power generation can be intermittent, causing fluctuations in the frequency. As a result, grid operators are exploring advanced technologies and strategies to manage these variations and ensure that the mains frequency remains stable. Innovations such as battery storage systems and smart grid technologies are being developed to enhance the resilience of power systems. In conclusion, understanding mains frequency is fundamental for anyone involved in the use or management of electrical systems. From household appliances to industrial machinery and the stability of the electrical grid, the implications of mains frequency are far-reaching. As the world continues to evolve technologically and integrate more renewable energy sources, the importance of maintaining a consistent mains frequency will only grow, highlighting the need for ongoing research and innovation in this field.

“mains frequency”这个术语指的是由各国电网提供的交流电（AC）电力的标准频率。在世界大多数地区，这一频率要么是50赫兹，要么是60赫兹，具体取决于区域标准。理解mains frequency对于消费者和工程师来说都至关重要，因为它影响着电气设备的运行和与电源的互动。例如，在mains frequency设定为50赫兹的地区，家用电器的设计是为了在这个频率下最佳运行。如果一个标称为50赫兹的设备在60赫兹的环境中使用，它可能会比预期运行得更快，从而导致过早磨损或故障。相反，专为60赫兹设计的设备在50赫兹系统中可能难以高效运作，导致性能下降甚至故障。mains frequency的历史发展可以追溯到19世纪末，当时电力系统开始出现。工程师们必须选择一种频率，以平衡效率和安全性。50赫兹或60赫兹的决定主要受到多种因素的影响，包括发电机和变压器的设计，以及传输线路的长度。随着时间的推移，这些频率在不同地区成为标准化，形成了我们今天所看到的全球划分。除了对家用电器的影响外，mains frequency在工业应用中也起着重要作用。许多工业机器依赖于设计用于特定频率的交流电动机。如果频率偏离正常值，可能会导致过热或低效运行。因此，工业界必须确保其电力供应保持正确的mains frequency，以避免昂贵的停机和维修。此外，mains frequency的稳定性对于电网的整体健康至关重要。发电厂和电网运营商密切监测频率，因为波动可能表明供需不平衡。当消耗的电力超过发电能力时，频率可能会下降，导致潜在的停电。相反，过量发电可能导致频率上升，这可能会损坏连接到电网的设备。因此，维持稳定的mains frequency对于可靠的电力供应至关重要。近年来，可再生能源的整合给维持传统的mains frequency带来了新的挑战。风能和太阳能发电可能是不稳定的，导致频率波动。因此，电网运营商正在探索先进的技术和策略来管理这些变化，并确保mains frequency保持稳定。电池储能系统和智能电网技术等创新正在被开发，以增强电力系统的韧性。总之，理解mains frequency对于任何参与电气系统使用或管理的人来说都是基础。从家用电器到工业机械，再到电网的稳定性，mains frequency的影响深远。随着世界在技术上不断演进并整合更多可再生能源，维持一致的mains frequency的重要性只会增加，突显出这一领域持续研究和创新的必要性。