three-phase wattmeter

简明释义

三相瓦特计

英英释义

例句

1.During the energy audit, the technician used a three-phase wattmeter to check the efficiency of the electrical system.

在能源审计期间，技术人员使用三相功率计检查电气系统的效率。

2.For accurate monitoring of power usage, it is essential to install a three-phase wattmeter in commercial buildings.

为了准确监测电力使用，在商业建筑中安装三相功率计是必不可少的。

3.To ensure accurate readings, the three-phase wattmeter was calibrated before use.

为了确保读数准确，在使用之前对三相功率计进行了校准。

4.The three-phase wattmeter displayed an unusually high reading, indicating a potential fault in the circuit.

该三相功率计显示出异常高的读数，表明电路可能存在故障。

5.The engineer installed a three-phase wattmeter to measure the power consumption of the new industrial machine.

工程师安装了一个三相功率计来测量新工业机器的电力消耗。

作文

In the field of electrical engineering, measuring power accurately is crucial for both efficiency and safety. One of the most important instruments used for this purpose is the three-phase wattmeter. A three-phase wattmeter is a device specifically designed to measure the power in three-phase electrical systems, which are widely used in industrial and commercial applications due to their efficiency and reliability. Understanding how a three-phase wattmeter operates can greatly enhance our ability to manage electrical systems effectively.Three-phase systems consist of three alternating currents that are out of phase with each other by 120 degrees. This configuration allows for a more constant power delivery compared to single-phase systems. However, measuring the total power consumed in such a system requires specialized equipment. This is where the three-phase wattmeter comes into play.The three-phase wattmeter typically has multiple coils that correspond to each of the three phases. These coils measure the current flowing through each phase, while additional coils measure the voltage across the load. By multiplying the measured current by the voltage, the wattmeter can calculate the power in watts. The total power in a three-phase system is the sum of the power measured in each phase, which the three-phase wattmeter efficiently calculates and displays.One of the key advantages of using a three-phase wattmeter is its ability to provide accurate readings of both active and reactive power. Active power represents the actual power consumed by the load, while reactive power accounts for the energy stored in the system, which does not do any useful work but is necessary for maintaining the electric and magnetic fields in the system. This distinction is vital for engineers when designing and managing electrical systems, as it affects the overall efficiency and performance.Moreover, modern three-phase wattmeters often come equipped with digital displays and advanced features such as data logging and communication capabilities. These enhancements allow for real-time monitoring and analysis of power consumption, enabling engineers to make informed decisions about energy management and conservation. For instance, if a factory notices unusually high readings from their three-phase wattmeter, it may indicate an issue with machinery or inefficiencies in the system that need to be addressed.In addition to industrial applications, three-phase wattmeters are also used in commercial buildings and large residential complexes. As energy costs continue to rise, understanding power consumption has become increasingly important. By utilizing a three-phase wattmeter, building managers can identify peak usage times, optimize energy usage, and implement energy-saving measures.In conclusion, the three-phase wattmeter is an essential tool in the realm of electrical engineering. Its ability to accurately measure power in three-phase systems makes it invaluable for various applications, from industrial plants to commercial buildings. As technology continues to advance, the functionality and importance of the three-phase wattmeter will only grow, making it a critical component in the quest for efficient energy management and sustainability.

在电气工程领域，准确测量功率对于效率和安全至关重要。用于此目的的最重要仪器之一是三相功率计。三相功率计是一种专门设计用于测量三相电力系统中功率的设备，这种系统因其效率和可靠性而广泛应用于工业和商业领域。理解三相功率计的工作原理可以极大地提高我们有效管理电气系统的能力。三相系统由三种交流电组成，它们之间相位差为120度。这种配置允许比单相系统更恒定的功率传递。然而，测量这样的系统中消耗的总功率需要专业设备。这就是三相功率计发挥作用的地方。三相功率计通常具有多个线圈，对应于三个相。这些线圈测量流过每个相的电流，而额外的线圈测量负载上的电压。通过将测得的电流与电压相乘，功率计可以计算出以瓦特为单位的功率。三相系统中的总功率是每个相测得功率的总和，三相功率计高效地计算并显示。使用三相功率计的一个关键优势是它能够提供活跃功率和无功功率的准确读数。活跃功率表示负载实际消耗的功率，而无功功率则代表储存在系统中的能量，这些能量没有做任何有用的工作，但对于维持系统中的电场和磁场是必要的。这一区别对工程师在设计和管理电气系统时至关重要，因为它影响整体效率和性能。此外，现代的三相功率计通常配备数字显示屏和先进功能，例如数据记录和通信能力。这些增强功能允许实时监控和分析功率消耗，使工程师能够就能源管理和节约措施做出明智的决策。例如，如果工厂注意到其三相功率计的读数异常高，这可能表明机器出现问题或系统中存在效率低下的问题，需要加以解决。除了工业应用外，三相功率计还用于商业建筑和大型住宅综合体。随着能源成本的持续上升，了解功率消耗变得越来越重要。通过利用三相功率计，建筑管理者可以识别峰值使用时间，优化能源使用，并实施节能措施。总之，三相功率计是电气工程领域的重要工具。它在三相系统中准确测量功率的能力使其在各种应用中不可或缺，从工业工厂到商业建筑。随着技术的不断进步，三相功率计的功能和重要性只会增加，使其成为追求高效能源管理和可持续发展的关键组成部分。