valve wattmeter

简明释义

电子管瓦特计

英英释义

例句

1.During the maintenance check, the engineer calibrated the valve wattmeter for accurate readings.

在维护检查期间，工程师对阀门功率计进行了校准，以确保读数准确。

2.By connecting the valve wattmeter to the circuit, we were able to monitor the energy usage in real-time.

通过将阀门功率计连接到电路，我们能够实时监测能量使用情况。

3.The valve wattmeter is essential for ensuring that the electrical load does not exceed the system's capacity.

为了确保电负载不超过系统的容量，阀门功率计是必不可少的。

4.The technician used a valve wattmeter to measure the power consumption of the new HVAC system.

技术人员使用阀门功率计来测量新空调系统的功耗。

5.The results from the valve wattmeter indicated that the motor was operating efficiently.

来自阀门功率计的结果表明电动机运行效率高。

作文

In the realm of electrical engineering, measuring power accurately is crucial for both research and practical applications. One of the instruments that has been widely used for this purpose is the valve wattmeter, a device designed to measure the electrical power in AC circuits. The valve wattmeter operates based on the principles of electromagnetic induction and utilizes vacuum tubes, or valves, to achieve its measurements. Understanding how this device functions can provide valuable insights into its significance and application in various fields.The valve wattmeter was developed during the early 20th century, a time when vacuum tube technology was at its peak. These devices were essential in the development of radio technology and other electronic applications. The valve wattmeter uses a combination of voltage and current measurements to calculate the power consumed by a circuit. It works by utilizing two coils, one for the current and another for the voltage. The interaction between these coils generates a torque that moves a pointer on a dial, indicating the power level.One of the major advantages of the valve wattmeter is its ability to measure both active and reactive power. Active power refers to the actual power consumed by a load, while reactive power is associated with the energy stored in the inductive and capacitive components of the circuit. This dual capability makes the valve wattmeter an invaluable tool for engineers who need to analyze power quality and efficiency in electrical systems.Moreover, the valve wattmeter is known for its high accuracy and reliability, especially in laboratory settings. Its design allows for precise measurements, which are essential for experimental research and development. Engineers often rely on the valve wattmeter to ensure that their designs meet specific power consumption standards, thereby avoiding energy wastage and improving overall system performance.In addition to its technical benefits, the valve wattmeter also plays a significant role in education. Many engineering students learn to use this device as part of their curriculum, gaining hands-on experience with power measurement techniques. This practical knowledge is crucial for their future careers, as they will encounter similar devices in various industries.Despite the advancements in technology, including the rise of digital wattmeters, the valve wattmeter remains relevant in certain applications. Its robust design and ability to handle high power levels make it suitable for specialized tasks that require precise measurement under demanding conditions. Additionally, some enthusiasts and professionals prefer the analog nature of the valve wattmeter, appreciating its simplicity and the direct visual feedback it provides.In conclusion, the valve wattmeter is a vital instrument in the field of electrical engineering, offering accurate measurements of power in AC circuits. Its historical significance, combined with its educational value and technical capabilities, ensures that it remains an important tool for engineers and students alike. As technology continues to evolve, the valve wattmeter serves as a reminder of the foundational principles of electrical measurement and the ongoing need for reliable tools in the quest for efficiency and innovation in electrical systems.

在电气工程领域，准确测量功率对于研究和实际应用至关重要。为此，广泛使用的一种仪器是阀门瓦特计，这是一种用于测量交流电路中电功率的设备。阀门瓦特计基于电磁感应原理，并利用真空管或阀门来实现其测量。理解该设备的工作原理可以为我们提供关于其重要性和在各个领域应用的宝贵见解。阀门瓦特计是在20世纪初开发的，当时真空管技术正处于巅峰。这些设备在无线电技术和其他电子应用的发展中至关重要。阀门瓦特计通过结合电压和电流的测量来计算电路消耗的功率。它的工作原理是利用两个线圈，一个用于电流，另一个用于电压。这些线圈之间的相互作用产生了一个扭矩，移动指针在刻度盘上指示功率水平。阀门瓦特计的一个主要优点是它能够测量有功功率和无功功率。有功功率指的是负载实际消耗的功率，而无功功率则与电路中感性和容性元件存储的能量有关。这种双重能力使得阀门瓦特计成为工程师分析电力质量和效率的重要工具。此外，阀门瓦特计以其高精度和可靠性而闻名，尤其是在实验室环境中。其设计允许进行精确的测量，这对于实验研究和开发至关重要。工程师们常常依赖阀门瓦特计来确保他们的设计符合特定的功耗标准，从而避免能源浪费，提高整体系统性能。除了技术优势之外，阀门瓦特计在教育中也发挥着重要作用。许多工程学生在课程中学习使用这种设备，获得关于功率测量技术的实践经验。这种实践知识对他们未来的职业生涯至关重要，因为他们将在各个行业中遇到类似的设备。尽管技术不断进步，包括数字瓦特计的兴起，但阀门瓦特计在某些应用中仍然具有相关性。其坚固的设计和处理高功率水平的能力使其适合需要在苛刻条件下进行精确测量的专业任务。此外，一些爱好者和专业人士更喜欢阀门瓦特计的模拟特性，欣赏其简单性和提供的直接视觉反馈。总之，阀门瓦特计是电气工程领域的重要仪器，能够准确测量交流电路中的功率。其历史意义、教育价值和技术能力确保它仍然是工程师和学生的重要工具。随着技术的不断发展，阀门瓦特计提醒我们电气测量基础原理的重要性，以及在追求电气系统效率和创新过程中对可靠工具的持续需求。