active power

简明释义

有功功率

英英释义

例句

1.The active power (有功功率) factor indicates how effectively electrical power is being converted into useful work.

有功功率（active power）因子表示电力转换为有用工作的效率。

2.In AC circuits, the active power (有功功率) is what actually performs work.

在交流电路中，有功功率（active power）是实际执行工作的部分。

3.To optimize energy efficiency, we need to monitor the active power (有功功率) usage closely.

为了优化能效，我们需要密切监测有功功率（active power）的使用情况。

4.The total consumption of electricity in the factory is measured in terms of active power (有功功率).

工厂的电力总消耗是以有功功率（active power）来衡量的。

5.The generator's output includes both reactive and active power (有功功率).

发电机的输出包括无功功率和有功功率（active power）。

作文

In the world of electrical engineering, understanding the concept of active power is crucial for both professionals and students alike. Active power refers to the actual power that is consumed by electrical devices to perform useful work. It is measured in watts (W) and represents the real energy that is converted into mechanical energy, heat, or light. For instance, when you turn on a light bulb, the active power it consumes is what illuminates your room. This is in contrast to reactive power, which does not perform any useful work but is necessary to maintain the voltage levels in the system.The significance of active power can be observed in various applications. In residential settings, the appliances we use, such as refrigerators, air conditioners, and televisions, all consume active power. The total active power consumed by these devices determines our electricity bill at the end of the month. Therefore, it is essential for consumers to be aware of how much active power their household appliances require to manage their energy consumption effectively.In industrial environments, active power plays an even more critical role. Factories and manufacturing plants rely heavily on machines that require substantial amounts of active power to operate efficiently. Understanding the active power requirements of these machines allows engineers to design better systems that optimize energy use and reduce operational costs. Furthermore, monitoring active power helps in identifying any inefficiencies in the system, leading to improved maintenance and reduced downtime.Moreover, the relationship between active power and other types of power, such as reactive power and apparent power, is fundamental in power system analysis. The power factor, which is the ratio of active power to apparent power, indicates how effectively electrical power is being converted into useful work output. A high power factor signifies efficient utilization of active power, while a low power factor indicates poor efficiency. Utilities often impose penalties on businesses with low power factors, encouraging them to improve their systems to utilize active power more effectively.In conclusion, active power is a vital concept in the field of electrical engineering that affects both individual consumers and large-scale industrial operations. By understanding and managing active power, we can enhance energy efficiency, reduce costs, and minimize environmental impact. As technology continues to advance, the importance of mastering the concept of active power will only grow, making it an essential topic for anyone involved in energy management or electrical engineering. Therefore, whether you are a student, an engineer, or simply a curious individual, grasping the intricacies of active power will undoubtedly enrich your understanding of how electricity works in our daily lives.

在电气工程的领域中，理解有功功率的概念对专业人士和学生来说都是至关重要的。有功功率指的是被电气设备消耗以进行有用工作的实际功率。它以瓦特（W）为单位测量，代表了转化为机械能、热能或光能的真实能量。例如，当你打开灯泡时，它所消耗的有功功率就是照亮你房间的能量。这与无功功率相对，无功功率并不执行任何有用的工作，但对于维持系统中的电压水平是必要的。有功功率的重要性可以在各种应用中观察到。在住宅环境中，我们使用的电器，如冰箱、空调和电视，都消耗有功功率。这些设备所消耗的总有功功率决定了我们每月的电费。因此，消费者必须了解家庭电器所需的有功功率，以有效管理他们的能耗。在工业环境中，有功功率发挥着更为关键的作用。工厂和制造厂严重依赖需要大量有功功率才能高效运作的机器。了解这些机器的有功功率需求使工程师能够设计出更好的系统，从而优化能源使用并降低运营成本。此外，监测有功功率有助于识别系统中的任何低效，进而改善维护和减少停机时间。此外，有功功率与其他类型的功率（如无功功率和视在功率）之间的关系在电力系统分析中是基础性的。功率因数，即有功功率与视在功率的比率，表明电力转换为有用工作输出的有效性。高功率因数表明有功功率的有效利用，而低功率因数则表明效率低下。公用事业公司通常会对功率因数低的企业处以罚款，鼓励他们改善系统以更有效地利用有功功率。总之，有功功率是电气工程领域的重要概念，影响着个人消费者和大规模工业操作。通过理解和管理有功功率，我们可以提高能源效率，降低成本，并最小化环境影响。随着技术的不断进步，掌握有功功率的概念的重要性只会增加，使其成为任何参与能源管理或电气工程的人必不可少的话题。因此，无论你是学生、工程师还是仅仅是一个好奇的人，掌握有功功率的复杂性无疑会丰富你对电力如何在我们日常生活中运作的理解。