moving iron instrument

简明释义

动铁式仪表

英英释义

A moving iron instrument is an electromechanical device that measures electrical current or voltage by using a movable iron element that reacts to magnetic fields generated by the current.

动铁仪器是一种机电设备,通过使用一个可移动的铁元素,该元素对电流产生的磁场作出反应,从而测量电流或电压。

例句

1.In many laboratories, a moving iron instrument is essential for accurate readings.

在许多实验室中,动铁仪器对于准确读数是必不可少的。

2.Electricians often prefer a moving iron instrument for its durability and precision.

电工常常更喜欢动铁仪器,因为它耐用且精确。

3.The technician used a moving iron instrument to measure the voltage in the circuit.

技术员使用动铁仪器测量电路中的电压。

4.The moving iron instrument provides a reliable way to gauge current flow.

动铁仪器提供了一种可靠的方法来测量电流流动。

5.Using a moving iron instrument can help prevent electrical overloads.

使用动铁仪器可以帮助防止电气过载。

作文

The world of electrical engineering is filled with various instruments that help in measuring and monitoring electrical parameters. One such device that has stood the test of time is the moving iron instrument. This instrument is widely used for measuring alternating current (AC) and direct current (DC) values. Understanding how this instrument works is crucial for anyone interested in electrical engineering or related fields.The moving iron instrument operates on a simple principle: it uses a small piece of iron that moves in response to the magnetic field created by the electric current flowing through a coil. When the current passes through the coil, it generates a magnetic field that attracts the iron piece, causing it to move. The amount of movement is proportional to the strength of the current, which can then be read on a calibrated scale. This basic operation makes the moving iron instrument both effective and reliable for measuring current.One of the primary advantages of the moving iron instrument is its versatility. It can be used to measure both AC and DC currents, making it suitable for a wide range of applications. Additionally, these instruments are relatively inexpensive compared to other types of measuring devices, which makes them accessible for educational purposes and practical use in various industries.However, like any instrument, the moving iron instrument has its limitations. One significant drawback is its sensitivity to temperature changes. The iron piece can expand or contract with temperature fluctuations, leading to inaccuracies in readings. Furthermore, while these instruments are generally robust, they can be susceptible to mechanical damage if not handled properly.In terms of design, the moving iron instrument typically consists of a coil, a moving iron vane, and a scale for reading measurements. The simplicity of its design contributes to its reliability and ease of use. Users simply need to connect the instrument to the circuit they wish to measure, and the resulting reading will appear on the scale.In conclusion, the moving iron instrument is an essential tool in the field of electrical engineering. Its ability to measure both AC and DC currents, along with its cost-effectiveness, makes it a popular choice among engineers and technicians alike. While it does have some limitations, such as sensitivity to temperature and potential mechanical damage, its overall reliability and ease of use make it an invaluable instrument in the toolbox of anyone working with electrical circuits. As technology continues to advance, it will be interesting to see how traditional instruments like the moving iron instrument evolve and adapt to new challenges in the ever-changing landscape of electrical engineering.

电气工程的世界充满了各种仪器,这些仪器帮助测量和监测电气参数。其中一种经受住时间考验的设备就是移动铁仪器。这种仪器广泛用于测量交流电(AC)和直流电(DC)值。理解这种仪器的工作原理对于任何对电气工程或相关领域感兴趣的人来说都是至关重要的。移动铁仪器的工作原理非常简单:它使用一小块铁,在电流通过线圈时产生的磁场的作用下移动。当电流通过线圈时,会产生一个吸引铁块的磁场,导致其移动。移动的幅度与电流的强度成正比,这可以在标定的刻度上读取。这种基本的操作使得移动铁仪器在测量电流方面既有效又可靠。移动铁仪器的主要优点之一是其多功能性。它可以用来测量交流电和直流电,使其适用于广泛的应用。此外,与其他类型的测量设备相比,这些仪器相对便宜,这使得它们在教育和各种行业的实际使用中都很容易获得。然而,像任何仪器一样,移动铁仪器也有其局限性。一个显著的缺点是对温度变化的敏感性。铁块可能会随着温度波动而膨胀或收缩,从而导致读数不准确。此外,虽然这些仪器通常比较坚固,但如果处理不当,仍然可能受到机械损坏。在设计方面,移动铁仪器通常由一个线圈、一个移动铁片和一个用于读取测量值的刻度组成。其设计的简单性有助于其可靠性和易用性。用户只需将仪器连接到他们希望测量的电路上,结果读数就会出现在刻度上。总之,移动铁仪器是电气工程领域的重要工具。它能够测量交流电和直流电,加上其成本效益,使其成为工程师和技术人员的热门选择。尽管它确实存在一些局限性,例如对温度的敏感性和潜在的机械损坏,但其整体可靠性和易用性使其成为任何与电路工作的人不可或缺的工具。随着技术的不断进步,传统仪器如移动铁仪器如何在电气工程不断变化的环境中演变和适应新的挑战,将是一个有趣的课题。

相关单词

moving

moving详解:怎么读、什么意思、用法

iron

iron详解:怎么读、什么意思、用法