electric dynamometer

简明释义

电动测功器

英英释义

例句

1.The engineer used an electric dynamometer 电动测功机 to measure the torque output of the new engine.

工程师使用了一个电动测功机来测量新发动机的扭矩输出。

2.By connecting the electric dynamometer 电动测功机 to the shaft, we can determine the power output.

通过将电动测功机连接到轴上，我们可以确定功率输出。

3.The electric dynamometer 电动测功机 is essential for testing the performance of electric motors.

对于测试电动机的性能，电动测功机是必不可少的。

4.In the lab, we calibrated the electric dynamometer 电动测功机 to ensure accurate readings.

在实验室，我们校准了电动测功机以确保读数准确。

5.The results from the electric dynamometer 电动测功机 showed a significant improvement in efficiency.

来自电动测功机的结果显示出效率有显著提升。

作文

The concept of an electric dynamometer is pivotal in the field of engineering and physics, as it serves as an essential instrument for measuring electrical power. In simple terms, an electric dynamometer is a device that can measure the force exerted by an electric current, which can be crucial for various applications, including testing motors, generators, and other electrical devices. Understanding how this instrument works can provide insights into its applications and significance in the modern technological landscape.To begin with, an electric dynamometer operates on the principle of converting electrical energy into mechanical energy, allowing for the measurement of torque and power. This conversion is typically achieved through electromagnetic principles, where the interaction between magnetic fields and electric currents results in a measurable force. The device is often used in laboratories and industrial settings to assess the performance and efficiency of electrical machines.One of the primary applications of an electric dynamometer is in the testing of electric motors. By connecting the dynamometer to a motor, engineers can determine how much power the motor is consuming and how effectively it is converting electrical energy into mechanical work. This information is vital for optimizing motor design and ensuring that machines operate efficiently. Moreover, understanding the power output of a motor can help in selecting the right motor for specific applications, leading to better performance and energy savings.In addition to motor testing, electric dynamometers are also employed in the development and testing of generators. Generators convert mechanical energy into electrical energy, and measuring their output is crucial for ensuring reliability and performance. By using a dynamometer, engineers can evaluate the efficiency of generators, helping to improve their design and functionality. This is particularly important in industries where power generation is critical, such as renewable energy sectors.Furthermore, electric dynamometers play a significant role in educational settings. They are often used in physics laboratories to demonstrate fundamental principles of electromagnetism and energy conversion. Students can gain hands-on experience by observing how electrical energy can be transformed into mechanical energy and vice versa. This practical understanding enhances theoretical knowledge and prepares students for careers in engineering and technology.Despite their advantages, it is essential to understand the limitations of electric dynamometers. For instance, they require careful calibration to ensure accurate measurements. Factors such as temperature, humidity, and the condition of the electrical components can affect the readings. Therefore, regular maintenance and proper usage are crucial for obtaining reliable data.In conclusion, the electric dynamometer is an indispensable tool in various fields, including engineering, education, and industrial applications. Its ability to measure electrical power and torque provides valuable insights into the performance of electric motors and generators. As technology continues to advance, the relevance of electric dynamometers will likely grow, making them even more critical for innovation and efficiency in electrical engineering. Understanding how to utilize and interpret the data from these devices is essential for anyone involved in the electrical and mechanical engineering sectors. By mastering the use of an electric dynamometer, engineers and technicians can contribute to the development of more efficient and sustainable technologies, ultimately benefiting society as a whole.

“电动测功机”的概念在工程和物理学领域中至关重要，因为它作为一种基本仪器用于测量电力。简单来说，电动测功机是一种可以测量电流施加的力的设备，这对于测试电动机、发电机和其他电气设备等各种应用至关重要。理解该仪器的工作原理可以为其应用和在现代技术背景下的重要性提供见解。首先，电动测功机的工作原理是将电能转化为机械能，从而允许测量扭矩和功率。这种转化通常通过电磁原理实现，其中磁场与电流之间的相互作用产生可测量的力。该设备通常用于实验室和工业环境中，以评估电气机器的性能和效率。电动测功机的主要应用之一是在电动机测试中。通过将测功机连接到电动机，工程师可以确定电动机消耗了多少功率以及它将电能转化为机械工作的效果如何。这些信息对于优化电动机设计和确保机器高效运行至关重要。此外，了解电动机的功率输出可以帮助选择特定应用所需的合适电动机，从而提高性能和节能。除了电动机测试，电动测功机还被用于发电机的开发和测试。发电机将机械能转化为电能，测量其输出对于确保可靠性和性能至关重要。通过使用测功机，工程师可以评估发电机的效率，从而帮助改善其设计和功能。这在电力生成至关重要的行业（如可再生能源部门）中特别重要。此外，电动测功机在教育环境中也发挥着重要作用。它们通常用于物理实验室，以演示电磁学和能量转化的基本原理。学生们可以通过观察电能如何转化为机械能及其反向过程来获得实践经验。这种实践理解增强了理论知识，并为学生未来的工程和技术职业做准备。尽管有其优点，但理解电动测功机的局限性也很重要。例如，它们需要仔细校准以确保准确的测量。温度、湿度和电气组件的状况等因素都可能影响读数。因此，定期维护和正确使用对于获得可靠数据至关重要。总之，电动测功机是各个领域不可或缺的工具，包括工程、教育和工业应用。它能够测量电力和扭矩，为电动机和发电机的性能提供宝贵的见解。随着技术的不断进步，电动测功机的相关性可能会增加，使其在电气工程中的重要性更加突出。理解如何利用和解释这些设备的数据对于任何参与电气和机械工程领域的人来说都是必不可少的。通过掌握电动测功机的使用，工程师和技术人员可以为开发更高效和可持续的技术作出贡献，最终使整个社会受益。