hot-wire wattmeter

简明释义

热线式瓦特计

英英释义

例句

1.The engineer used a hot-wire wattmeter to measure the power consumption of the new machine.

工程师使用热丝功率计来测量新机器的功耗。

2.To ensure accurate readings, the hot-wire wattmeter must be calibrated regularly.

为了确保读数准确，热丝功率计必须定期校准。

3.The hot-wire wattmeter is essential for testing the efficiency of electrical appliances.

热丝功率计对于测试电器的效率至关重要。

4.By connecting the hot-wire wattmeter to the circuit, we can accurately determine the energy usage.

通过将热丝功率计连接到电路，我们可以准确确定能耗。

5.During the experiment, the hot-wire wattmeter showed an increase in power draw when the load was applied.

在实验过程中，热丝功率计在施加负载时显示出功率消耗的增加。

作文

In the field of electrical engineering, accurate measurement of power is crucial for both research and practical applications. One of the most effective tools for measuring electrical power is the hot-wire wattmeter, which is particularly useful in alternating current (AC) circuits. The hot-wire wattmeter operates on the principle of thermal energy conversion, utilizing a thin wire that heats up when an electric current passes through it. This heating effect is directly proportional to the amount of power being consumed in the circuit, allowing for precise measurements. The construction of a hot-wire wattmeter typically includes a coil of wire that is suspended in a magnetic field. When current flows through the wire, it generates heat due to its electrical resistance. This heat causes the wire to expand, and the degree of expansion can be correlated with the power being measured. The hot-wire wattmeter is known for its high sensitivity and fast response time, making it an excellent choice for dynamic measurements in various applications.One of the key advantages of using a hot-wire wattmeter is its ability to measure both active and reactive power. In AC circuits, power can be divided into these two components, and understanding both is essential for optimizing electrical systems. The hot-wire wattmeter provides an accurate reading of these power components, which is invaluable for engineers working on power quality and efficiency.Moreover, the hot-wire wattmeter is often used in laboratory settings for testing and calibration purposes. Researchers rely on its precision to conduct experiments that require exact power measurements. Its design allows for easy integration into experimental setups, making it a versatile tool in the electrical engineering toolkit.Despite its many advantages, the hot-wire wattmeter does have some limitations. For instance, it is not suitable for measuring very high frequencies or for use in high-voltage applications due to the risk of damage to the delicate wire. Additionally, the hot-wire wattmeter requires careful calibration and setup to ensure accurate readings, which can be a drawback in fast-paced environments where time is of the essence.In conclusion, the hot-wire wattmeter is an essential instrument in the realm of electrical measurements. Its unique operating principle and ability to accurately measure power make it a valuable asset for engineers and researchers alike. As technology continues to evolve, the hot-wire wattmeter will undoubtedly play a significant role in advancing our understanding of electrical systems and improving their efficiency. Understanding this tool not only enhances one's knowledge of electrical engineering but also contributes to the development of better energy solutions in the future.

在电气工程领域，准确测量功率对研究和实际应用至关重要。最有效的电力测量工具之一是热丝功率计，它在交流电（AC）电路中尤其有用。热丝功率计的工作原理是热能转换，利用一根细丝在电流通过时加热。这种加热效应与电路中消耗的功率成正比，从而允许精确的测量。热丝功率计的构造通常包括一个悬挂在磁场中的线圈。当电流流过该线圈时，由于其电阻，会产生热量。这种热量使得线圈膨胀，膨胀的程度可以与所测量的功率相关联。热丝功率计以其高灵敏度和快速响应时间而闻名，使其成为各种应用中动态测量的优秀选择。使用热丝功率计的一个主要优势是其能够测量主动功率和无功功率。在交流电路中，功率可以分为这两个组成部分，理解这两者对于优化电气系统至关重要。热丝功率计提供了这些功率成分的准确读数，这对于从事电力质量和效率工作的工程师来说是非常宝贵的。此外，热丝功率计常用于实验室设置中的测试和校准目的。研究人员依赖其精确性进行需要精确功率测量的实验。其设计允许轻松集成到实验设置中，使其成为电气工程工具箱中的多功能工具。尽管有许多优点，热丝功率计也存在一些局限性。例如，由于脆弱的线材风险，它不适合测量非常高的频率或用于高压应用。此外，热丝功率计需要仔细的校准和设置以确保准确读数，这在快速环境中可能会成为缺点。总之，热丝功率计是电气测量领域的重要仪器。其独特的工作原理和准确测量功率的能力使其成为工程师和研究人员的宝贵资产。随着技术的不断发展，热丝功率计无疑将在推进我们对电气系统的理解和提高其效率方面发挥重要作用。理解这一工具不仅增强了人们对电气工程的知识，还有助于未来更好的能源解决方案的发展。