electrical dynamometer

简明释义

电动测功器电动测力计

英英释义

例句

1.To ensure efficiency, the team regularly checks the electrical dynamometer for any signs of wear.

为了确保效率，团队定期检查电动测功器是否有磨损迹象。

2.In the laboratory, we calibrated the electrical dynamometer for accurate torque readings.

在实验室，我们对电动测功器进行了校准，以获得准确的扭矩读数。

3.The engineer used an electrical dynamometer to measure the power output of the generator.

工程师使用了一个电动测功器来测量发电机的功率输出。

4.During the training session, students learned how to operate an electrical dynamometer safely.

在培训课程中，学生们学习了如何安全地操作电动测功器。

5.The electrical dynamometer is essential for testing the performance of electric motors.

测试电动机性能时，电动测功器是必不可少的。

作文

In the field of engineering, precision and accuracy are paramount. One of the essential tools that help achieve these qualities is the electrical dynamometer. An electrical dynamometer (电动测功机) is a device used for measuring the power output of electrical machines, particularly in motor testing and research applications. It operates by converting the mechanical energy produced by a machine into electrical energy, which can then be measured to determine the performance of the machine.The working principle of an electrical dynamometer is relatively straightforward. It typically consists of two main components: a rotor and a stator. The rotor is connected to the machine whose power output is being measured, while the stator contains coils that generate a magnetic field. As the rotor spins, it interacts with the magnetic field, inducing a current in the stator coils. This induced current is proportional to the torque and speed of the rotor, allowing for accurate calculations of power.One of the key advantages of using an electrical dynamometer is its ability to provide real-time measurements. Engineers and researchers can monitor the performance of motors under various load conditions, helping them understand how different factors affect efficiency and output. This is particularly important in industries where energy consumption is a critical concern, as optimizing motor performance can lead to significant cost savings.Moreover, electrical dynamometers are widely used in the automotive industry for testing engines and drivetrains. By connecting an electrical dynamometer to an engine, engineers can measure torque and horsepower, providing valuable data for improving vehicle performance. This testing process is crucial for developing new models and ensuring that they meet regulatory standards for emissions and fuel efficiency.In addition to their use in motor testing, electrical dynamometers can also be employed in research settings. Scientists studying the fundamental principles of electromagnetism or energy conversion often utilize these devices to gather experimental data. The versatility of the electrical dynamometer makes it an invaluable tool in both practical applications and theoretical research.Another important aspect of electrical dynamometers is their role in education. Engineering students often work with these devices in laboratory settings to gain hands-on experience in power measurement and analysis. Understanding how to operate an electrical dynamometer and interpret its readings is a vital skill for future engineers, as it lays the foundation for more advanced studies in electrical and mechanical systems.In conclusion, the electrical dynamometer (电动测功机) is a critical instrument in various fields, from industrial applications to academic research. Its ability to accurately measure power output makes it indispensable for engineers seeking to improve machine performance and efficiency. As technology continues to advance, the importance of tools like the electrical dynamometer will only grow, ensuring that we can develop more efficient and sustainable energy solutions for the future.