shunt field relay

简明释义

并励场电路中的继电器磁分路式继电器

英英释义

A shunt field relay is an electromagnetic device used in electrical circuits to control the flow of current, typically by connecting or disconnecting a shunt winding in a motor or generator.

分流场继电器是一种用于电路的电磁设备,用于控制电流的流动,通常通过连接或断开电动机或发电机中的分流绕组来实现。

例句

1.When troubleshooting, always check the shunt field relay 分流场继电器 for any signs of wear or damage.

在故障排查时,总是检查shunt field relay 分流场继电器 是否有磨损或损坏的迹象。

2.In electric locomotives, the shunt field relay 分流场继电器 is critical for adjusting the field strength during operation.

在电力机车中,shunt field relay 分流场继电器 对于在运行过程中调整磁场强度至关重要。

3.The technician explained how the shunt field relay 分流场继电器 controls the current in the motor circuit.

技术员解释了如何使用shunt field relay 分流场继电器 控制电动机电路中的电流。

4.A malfunctioning shunt field relay 分流场继电器 can lead to inefficient performance of the electrical system.

故障的shunt field relay 分流场继电器 可能导致电气系统性能低效。

5.The shunt field relay 分流场继电器 helps to maintain a stable voltage level in the generator.

shunt field relay 分流场继电器 有助于保持发电机的稳定电压水平。

作文

In the world of electrical engineering, understanding various components and their functions is crucial for designing and maintaining efficient systems. One such component that plays a significant role in controlling electrical circuits is the shunt field relay. This device is primarily used in applications where it is necessary to manage the flow of current in a circuit, especially in motors and generators. The shunt field relay is designed to provide a means of controlling the excitation of the field winding in a machine, which in turn regulates its performance and efficiency.The operation of a shunt field relay is based on the principle of electromagnetic induction. When an electric current flows through the relay's coil, it creates a magnetic field that can either attract or repel a movable armature. This movement can open or close contacts within the relay, allowing or interrupting the flow of current to the field winding. By doing so, the shunt field relay helps to maintain the desired level of excitation in the machine, ensuring it operates smoothly under varying load conditions.One of the most significant advantages of using a shunt field relay is its ability to provide automatic control of the field current. This feature is particularly beneficial in applications where the load may fluctuate frequently, such as in industrial motors. For instance, when the load on a motor increases, the shunt field relay can automatically adjust the field current to maintain optimal performance, preventing the motor from overheating or becoming inefficient.Moreover, the shunt field relay also plays a protective role in electrical systems. By monitoring the current flowing through the field winding, it can detect any abnormalities or faults that may arise. If the current exceeds a predetermined threshold, the relay can deactivate the field winding, thereby protecting the motor or generator from potential damage. This safety feature is essential in preventing costly repairs and ensuring the longevity of electrical equipment.In conclusion, the shunt field relay is a vital component in the realm of electrical engineering, providing both control and protection for various machines. Its ability to regulate field current automatically makes it indispensable in applications with fluctuating loads. Furthermore, its protective capabilities help safeguard equipment from damage, making it a reliable choice for engineers and technicians alike. Understanding the function and benefits of a shunt field relay is essential for anyone involved in the design or maintenance of electrical systems, as it contributes significantly to the overall efficiency and safety of operations.

在电气工程的世界中,理解各种组件及其功能对于设计和维护高效的系统至关重要。一个在控制电路中发挥重要作用的组件就是分流场继电器。该设备主要用于需要管理电路中电流流动的应用,尤其是在电动机和发电机中。分流场继电器旨在提供一种控制机器场绕组激励的方法,从而调节其性能和效率。分流场继电器的工作原理基于电磁感应原理。当电流通过继电器的线圈时,会产生一个磁场,该磁场可以吸引或排斥可动的电枢。这种运动可以打开或关闭继电器内部的触点,从而允许或中断电流流向场绕组。通过这样做,分流场继电器有助于保持机器所需的激励水平,确保其在不同负载条件下平稳运行。使用分流场继电器的一个显著优势是它能够自动控制场电流。这个特性在负载可能频繁波动的应用中尤其有利,比如工业电动机。例如,当电动机上的负载增加时,分流场继电器可以自动调整场电流以维持最佳性能,防止电动机过热或效率降低。此外,分流场继电器在电气系统中还起到保护作用。通过监测流经场绕组的电流,它可以检测到任何可能出现的异常或故障。如果电流超过预定的阈值,继电器可以停用场绕组,从而保护电动机或发电机免受潜在损坏。这个安全特性对于防止昂贵的维修和确保电气设备的长期使用至关重要。总之,分流场继电器是电气工程领域的重要组件,为各种机器提供控制和保护。它自动调节场电流的能力使其在负载波动的应用中不可或缺。此外,其保护能力有助于保护设备免受损坏,使其成为工程师和技术人员的可靠选择。理解分流场继电器的功能和优点对于任何参与电气系统设计或维护的人来说都是至关重要的,因为它对整体操作的效率和安全性贡献重大。

相关单词

relay

relay详解:怎么读、什么意思、用法