electrodynamic ammeter

简明释义

电动式安培表

英英释义

例句

1.The electrodynamic ammeter was calibrated before use to ensure precise measurements.

电动安培计在使用前进行了校准，以确保精确测量。

2.Engineers often rely on an electrodynamic ammeter for troubleshooting electrical issues.

工程师们常常依赖电动安培计来排除电气故障。

3.In laboratory experiments, an electrodynamic ammeter provides accurate readings of electric current.

在实验室实验中，电动安培计提供电流的准确读数。

4.For high-frequency applications, an electrodynamic ammeter is preferred due to its responsiveness.

对于高频应用，电动安培计由于其响应性而被优先选择。

5.The technician used an electrodynamic ammeter to measure the current flowing through the circuit.

技术员使用电动安培计测量电路中的电流。

作文

In the world of electrical engineering, measuring instruments play a crucial role in ensuring the efficiency and safety of electrical systems. One such instrument is the electrodynamic ammeter, which is widely used to measure the current flowing through a circuit. Understanding how this device works and its applications can provide valuable insights into its importance in various fields. An electrodynamic ammeter operates on the principle of electromagnetic induction. It consists of a coil that is placed in a magnetic field, and when electric current passes through the coil, it experiences a force due to the interaction between the magnetic field and the current. This force causes the coil to move, and the amount of movement is proportional to the current flowing through the circuit. The movement is typically measured using a pointer that moves along a calibrated scale, allowing users to read the current value accurately.One of the main advantages of an electrodynamic ammeter is its ability to measure both direct current (DC) and alternating current (AC) with high accuracy. This versatility makes it an essential tool in laboratories, industrial settings, and even in household applications. In contrast to other types of ammeters, such as moving coil or shunt ammeters, the electrodynamic ammeter is less affected by changes in frequency, making it suitable for a wide range of electrical systems.The construction of an electrodynamic ammeter is also noteworthy. It typically includes a pair of coils: one stationary coil and one movable coil. The stationary coil generates a magnetic field, while the movable coil is connected to the circuit under test. This design enhances the accuracy of the measurement and allows for better response to varying current levels. Additionally, many modern electrodynamic ammeters are equipped with digital displays, making it easier for users to read and interpret the measurements.Applications of the electrodynamic ammeter are diverse and significant. In industrial environments, these devices are used to monitor the performance of machines and electrical equipment, ensuring that they operate within safe parameters. In research and development laboratories, scientists and engineers rely on electrodynamic ammeters to conduct experiments and gather data on electrical properties. Furthermore, in educational settings, students learn about electrical principles and circuits using electrodynamic ammeters, helping them develop a solid foundation in electrical engineering.In summary, the electrodynamic ammeter is an invaluable instrument in the field of electrical measurement. Its ability to accurately measure both AC and DC currents, combined with its robust construction and versatility, make it a preferred choice among professionals and educators alike. As technology continues to advance, the role of electrodynamic ammeters in monitoring and analyzing electrical systems will undoubtedly grow, highlighting their importance in our increasingly electrified world.

在电气工程的世界中，测量仪器在确保电气系统的效率和安全性方面发挥着至关重要的作用。其中一种仪器是电动动态安培计，广泛用于测量电路中流动的电流。理解这款设备的工作原理及其应用，可以为我们提供对其在各个领域重要性的有价值的见解。电动动态安培计基于电磁感应原理工作。它由一个放置在磁场中的线圈组成，当电流通过线圈时，由于磁场与电流之间的相互作用，它会产生一个力。这个力使线圈运动，运动的大小与电路中流动的电流成正比。通常使用指针来测量这种运动，指针在经过校准的刻度上移动，使用户能够准确读取电流值。电动动态安培计的主要优点之一是它能够高精度地测量直流（DC）和交流（AC）电流。这种多功能性使其成为实验室、工业环境甚至家庭应用中的重要工具。与其他类型的安培计（如动圈安培计或分流安培计）相比，电动动态安培计受频率变化的影响较小，因此适用于各种电气系统。电动动态安培计的构造也值得注意。它通常包括一对线圈：一个固定线圈和一个可动线圈。固定线圈产生磁场，而可动线圈则连接到被测电路。这种设计提高了测量的准确性，并允许更好地响应不同的电流水平。此外，许多现代电动动态安培计配备数字显示屏，使用户更容易读取和解释测量结果。电动动态安培计的应用范围广泛且意义重大。在工业环境中，这些设备用于监控机器和电气设备的性能，确保它们在安全参数内运行。在研发实验室中，科学家和工程师依赖电动动态安培计进行实验并收集电气属性的数据。此外，在教育环境中，学生们通过使用电动动态安培计学习电气原理和电路，帮助他们在电气工程方面建立坚实的基础。总之，电动动态安培计是电气测量领域中不可或缺的仪器。它能够准确测量交流和直流电流，加上其坚固的结构和多功能性，使其成为专业人士和教育工作者的首选。随着技术的不断进步，电动动态安培计在监测和分析电气系统中的作用无疑将会增长，突显出它们在我们日益电气化的世界中的重要性。