double -element wattmeter

简明释义

二元瓦特表

英英释义

例句

1.The double-element wattmeter is essential for determining the efficiency of electrical devices.

这个双元电 wattmeter对于确定电气设备的效率至关重要。

2.In our lab, we often rely on a double-element wattmeter for accurate energy measurements.

在我们的实验室中，我们经常依赖于一个双元电 wattmeter来进行准确的能量测量。

3.To troubleshoot the circuit, we connected a double-element wattmeter to monitor the power flow.

为了排查电路故障，我们连接了一个双元电 wattmeter来监测功率流动。

4.The engineer used a double-element wattmeter to measure the power consumption of the new machine.

工程师使用了一个双元电 wattmeter来测量新机器的功耗。

5.During the experiment, the double-element wattmeter provided real-time data on power usage.

在实验过程中，双元电 wattmeter提供了关于功率使用的实时数据。

作文

In the field of electrical engineering, accurate measurement of power is crucial for both efficiency and safety. One of the essential tools used to measure electrical power is the double-element wattmeter. This device is particularly useful in three-phase systems where it provides a reliable means of determining the total power consumed by the load. Understanding how a double-element wattmeter works can greatly enhance one's ability to analyze and optimize electrical systems.A double-element wattmeter consists of two separate elements that are designed to measure the active power in a circuit. Each element is connected to different phases of the electrical system, allowing it to measure the power in each phase independently. The readings from both elements are then summed to give the total power consumed by the load. This method is not only efficient but also minimizes errors that may arise from measuring power in a single phase.The operation of a double-element wattmeter is based on the principle of electromagnetic induction. When an electric current passes through the coils of the wattmeter, it generates a magnetic field. This field interacts with the moving coil within the wattmeter, causing it to rotate. The degree of rotation is proportional to the power being consumed in the circuit. Thus, by calibrating the instrument correctly, one can obtain accurate measurements of electrical power.One of the significant advantages of using a double-element wattmeter is its ability to provide accurate readings even under varying load conditions. In industrial settings, where loads can fluctuate significantly, having a reliable measurement tool is essential for maintaining operational efficiency. Additionally, the double-element wattmeter can be used in conjunction with other measuring instruments to provide a comprehensive analysis of the electrical system’s performance.Moreover, the double-element wattmeter is also beneficial for educational purposes. Students studying electrical engineering can gain hands-on experience with this device, which helps them understand the principles of power measurement in a practical context. By working with a double-element wattmeter, students can visualize how power flows through a circuit and learn about the relationship between voltage, current, and power.In conclusion, the double-element wattmeter is an invaluable instrument in the realm of electrical engineering. Its ability to measure power accurately in three-phase systems makes it a preferred choice for many engineers and technicians. Understanding its operation not only aids in effective power management but also enhances the overall safety and efficiency of electrical systems. As technology continues to advance, the double-element wattmeter will undoubtedly remain a key component in the toolkit of electrical professionals, ensuring that power consumption is monitored and optimized effectively.

在电气工程领域，准确测量功率对于效率和安全至关重要。用于测量电功率的基本工具之一是双元电表。该设备在三相系统中尤其有用，因为它提供了一种可靠的方法来确定负载的总功率。理解双元电表的工作原理可以大大增强人们分析和优化电气系统的能力。双元电表由两个独立的元件组成，旨在测量电路中的有功功率。每个元件连接到电气系统的不同相，允许它独立测量每个相的功率。然后将两个元件的读数相加，以给出负载消耗的总功率。这种方法不仅高效，而且最小化了由于单相测量功率而可能出现的误差。双元电表的操作基于电磁感应原理。当电流通过电表的线圈时，会产生一个磁场。这个磁场与电表内的动圈相互作用，导致其旋转。旋转的程度与电路中消耗的功率成正比。因此，通过正确校准仪器，可以获得电功率的准确测量。使用双元电表的一个显著优势是它能够在负载条件变化时提供准确的读数。在工业环境中，负载可能会显著波动，因此拥有可靠的测量工具对于保持操作效率至关重要。此外，双元电表可以与其他测量仪器结合使用，以提供电气系统性能的全面分析。此外，双元电表对于教育目的也很有益。学习电气工程的学生可以通过此设备获得实践经验，帮助他们在实际上下文中理解功率测量的原理。通过使用双元电表，学生可以直观地了解电路中功率的流动，并学习电压、电流与功率之间的关系。总之，双元电表在电气工程领域是一个不可或缺的仪器。它在三相系统中准确测量功率的能力使其成为许多工程师和技术人员的首选。理解其操作不仅有助于有效的功率管理，还增强了电气系统的整体安全性和效率。随着技术的不断进步，双元电表无疑将继续作为电气专业人士工具箱中的关键组件，确保电力消耗得到有效监控和优化。