moving coil ammeter

简明释义

动圈式安培表

英英释义

例句

1.When calibrating the system, ensure that the moving coil ammeter is properly zeroed.

在校准系统时，确保动圈电流表已正确归零。

2.In electronics labs, a moving coil ammeter is essential for accurate current readings.

在电子实验室中，动圈电流表对于准确的电流读数是必不可少的。

3.The technician used a moving coil ammeter to measure the current flowing through the circuit.

技术员使用动圈电流表来测量电路中的电流。

4.The moving coil ammeter displayed a reading of 5 amperes during the test.

测试过程中，动圈电流表显示的读数为5安培。

5.To troubleshoot the device, we connected a moving coil ammeter to check for any irregularities in the current.

为了排查设备故障，我们连接了一个动圈电流表来检查电流是否有不规律的情况。

作文

The moving coil ammeter is a fundamental instrument used in electrical engineering to measure the current flowing through a circuit. This device operates on the principle of electromagnetism, where a coil of wire is placed within a magnetic field. When an electric current passes through the coil, it generates a magnetic field that interacts with the external magnetic field, causing the coil to move. The degree of movement is proportional to the amount of current flowing through the circuit, allowing for accurate measurements. Understanding how a moving coil ammeter works is essential for anyone involved in electronics or electrical engineering.One of the key features of the moving coil ammeter is its sensitivity. It can detect small currents, making it ideal for laboratory experiments and precise measurements. The design typically includes a pointer that moves along a calibrated scale, providing a visual representation of the current level. This makes it easier for users to read and interpret the measurements. Additionally, the moving coil ammeter is known for its linearity, meaning that the relationship between the current and the deflection of the pointer is direct and proportional. This characteristic is crucial for ensuring accurate readings across different ranges of current.In practical applications, the moving coil ammeter is widely used in various fields, including telecommunications, power generation, and automotive industries. For instance, in the automotive sector, technicians often use this instrument to diagnose electrical issues in vehicles. By measuring the current flowing through different components, they can identify faults or inefficiencies in the system. Similarly, in power generation, engineers utilize moving coil ammeters to monitor the performance of generators and transformers, ensuring that they operate within safe and efficient parameters.Despite its advantages, the moving coil ammeter does have some limitations. It is primarily designed for direct current (DC) measurements, which means that it may not be suitable for alternating current (AC) applications without additional modifications. Furthermore, the device can be affected by external magnetic fields, which may lead to inaccurate readings if not properly shielded. Therefore, while the moving coil ammeter is an invaluable tool, users must be aware of its constraints and ensure that it is used in appropriate conditions.In conclusion, the moving coil ammeter is an essential instrument for measuring electrical current. Its design, based on electromagnetic principles, allows for sensitive and accurate measurements. With its wide range of applications across various industries, understanding how to use and interpret the readings from a moving coil ammeter is a vital skill for professionals in the electrical field. As technology continues to advance, the principles behind the moving coil ammeter remain relevant, showcasing the enduring importance of this classic instrument in modern engineering practices.

移动线圈电流表是一种在电气工程中用于测量电路中流动电流的基本仪器。该设备基于电磁学原理，线圈被放置在磁场中。当电流通过线圈时，它会产生一个与外部磁场相互作用的磁场，使线圈发生运动。运动的程度与流经电路的电流量成正比，从而允许进行准确的测量。理解移动线圈电流表的工作原理对于任何从事电子或电气工程的人来说都是必不可少的。移动线圈电流表的一个关键特性是其灵敏度。它可以检测微小的电流，非常适合实验室实验和精确测量。其设计通常包括一个指针，该指针沿着校准的刻度移动，提供电流水平的可视表示。这使得用户能够更轻松地读取和解释测量结果。此外，移动线圈电流表以其线性著称，这意味着电流与指针偏转之间的关系是直接和成比例的。这一特性对于确保在不同电流范围内的准确读数至关重要。在实际应用中，移动线圈电流表广泛用于电信、发电和汽车等各个领域。例如，在汽车行业，技术人员经常使用该仪器来诊断车辆中的电气问题。通过测量不同组件中流动的电流，他们可以识别系统中的故障或低效情况。同样，在发电领域，工程师利用移动线圈电流表监控发电机和变压器的性能，确保它们在安全和高效的参数内运行。尽管有其优点，移动线圈电流表也存在一些局限性。它主要设计用于直流（DC）测量，这意味着在没有额外修改的情况下，可能不适合交流（AC）应用。此外，该设备可能受到外部磁场的影响，如果没有适当的屏蔽，可能导致不准确的读数。因此，尽管移动线圈电流表是一种宝贵的工具，但用户必须了解其限制，并确保在适当的条件下使用它。总之，移动线圈电流表是测量电流的重要仪器。其基于电磁原理的设计，允许进行灵敏且准确的测量。由于其在各行各业的广泛应用，理解如何使用和解释移动线圈电流表的读数是电气领域专业人员的一项重要技能。随着技术的不断进步，移动线圈电流表背后的原理仍然具有相关性，展示了这一经典仪器在现代工程实践中的持久重要性。