current transformer

简明释义

变换器

英英释义

例句

1.For safety reasons, the current transformer 电流互感器 should be regularly maintained and tested.

出于安全原因，电流互感器应定期维护和测试。

2.The installation of the current transformer 电流互感器 is essential for accurate measurement of electrical currents.

安装电流互感器是准确测量电流的关键。

3.In power distribution systems, a current transformer 电流互感器 helps protect equipment from overload.

在电力分配系统中，电流互感器有助于保护设备免受过载。

4.The readings from the current transformer 电流互感器 are used to monitor energy consumption.

来自电流互感器的读数用于监控能源消耗。

5.A malfunctioning current transformer 电流互感器 can lead to inaccurate data and system failures.

故障的电流互感器可能导致数据不准确和系统故障。

作文

A current transformer is an essential device used in electrical engineering to measure alternating current (AC). It plays a crucial role in power systems by providing a means to step down high current levels to a lower, manageable value that can be safely measured and monitored. This function is vital for ensuring the safety and efficiency of electrical systems. In this essay, we will explore the working principle, applications, and importance of current transformers in modern electrical infrastructure.The basic principle of a current transformer involves electromagnetic induction. When an AC flows through the primary winding of the transformer, it creates a magnetic field around it. This magnetic field induces a proportional current in the secondary winding, which is designed to have many turns compared to the primary winding. The ratio of the number of turns in the primary and secondary windings determines the transformation ratio, allowing the current transformer to scale down the current to a safer level for measurement.One of the primary applications of current transformers is in the protection and monitoring of electrical circuits. They are widely used in substations, industrial plants, and commercial buildings to provide accurate current readings for protective relays. These relays can detect faults or overloads in the system and disconnect the faulty circuit, preventing damage to equipment and ensuring the safety of personnel. Without current transformers, it would be challenging to monitor high currents effectively, leading to potential hazards.Moreover, current transformers are also utilized in energy metering. Utility companies rely on these devices to measure the consumption of electricity in residential and commercial settings. By converting high current levels into a lower, measurable form, current transformers enable accurate billing and help in managing energy distribution efficiently. This application is particularly important as the demand for electricity continues to rise, necessitating precise monitoring of consumption patterns.In addition to their role in protection and metering, current transformers are integral to various control systems. They are often used in conjunction with other devices to ensure the stable operation of electrical equipment. For instance, in automation systems, current transformers can provide feedback on motor performance, allowing for real-time adjustments to optimize efficiency and prevent overheating.The importance of current transformers cannot be overstated, especially in today's world where electrical systems are becoming increasingly complex. With the rise of renewable energy sources, such as solar and wind power, the need for precise monitoring and control has never been greater. Current transformers facilitate the integration of these technologies into the existing power grid, ensuring stability and reliability.In conclusion, a current transformer is a vital component in the field of electrical engineering. Its ability to measure high currents safely and accurately makes it indispensable for protecting electrical systems, enabling efficient energy metering, and supporting advanced control mechanisms. As technology continues to evolve, the role of current transformers will undoubtedly expand, further solidifying their place in modern electrical infrastructure.

电流互感器是电气工程中用于测量交流电（AC）的基本设备。它在电力系统中发挥着重要作用，通过提供一种将高电流水平降低到可安全测量和监控的较低值的方式。这一功能对确保电气系统的安全性和效率至关重要。在这篇文章中，我们将探讨电流互感器的工作原理、应用及其在现代电气基础设施中的重要性。电流互感器的基本原理涉及电磁感应。当交流电流通过变压器的初级绕组时，会在其周围产生一个磁场。这个磁场在次级绕组中感应出与之成比例的电流，次级绕组的设计通常比初级绕组有更多的匝数。初级和次级绕组的匝数比决定了变换比，从而使电流互感器能够将电流缩小到一个安全的测量水平。电流互感器的主要应用之一是在电路保护和监控中。它们广泛应用于变电站、工业厂房和商业建筑中，为保护继电器提供准确的电流读数。这些继电器可以检测系统中的故障或过载，并断开故障电路，防止设备损坏并确保人员安全。如果没有电流互感器，有效监控高电流将变得困难，从而导致潜在的危险。此外，电流互感器也用于能源计量。公用事业公司依赖这些设备来测量居民和商业环境中的电力消耗。通过将高电流水平转换为较低的可测量形式，电流互感器使准确计费成为可能，并帮助高效管理能源分配。随着电力需求的持续上升，这一应用尤为重要，迫切需要精确监测消费模式。除了在保护和计量中的作用外，电流互感器还在各种控制系统中不可或缺。它们常常与其他设备一起使用，以确保电气设备的稳定运行。例如，在自动化系统中，电流互感器可以提供关于电动机性能的反馈，允许实时调整以优化效率并防止过热。电流互感器的重要性不容小觑，尤其是在当今电气系统日益复杂的世界中。随着可再生能源（如太阳能和风能）的兴起，对精确监测和控制的需求从未如此迫切。电流互感器促进了这些技术与现有电网的整合，确保了稳定性和可靠性。总之，电流互感器是电气工程领域的重要组成部分。它安全、准确地测量高电流的能力使其在保护电气系统、实现高效能计量和支持先进控制机制方面不可或缺。随着技术的不断发展，电流互感器的作用无疑会扩大，进一步巩固其在现代电气基础设施中的地位。