active power

简明释义

有效功率

英英释义

例句

1.Engineers are working on improving the active power 有功功率 output of the solar panels.

工程师们正在努力提高太阳能电池板的有功功率输出。

2.In order to maximize efficiency, we need to monitor the active power 有功功率 usage in our facility.

为了最大化效率，我们需要监控我们设施中的有功功率使用情况。

3.The generator produces a certain amount of active power 有功功率 to supply the electrical grid.

发电机产生一定量的有功功率来供电网使用。

4.The active power 有功功率 consumption directly affects the electricity bill.

消费的有功功率直接影响电费。

5.The power factor indicates how effectively the active power 有功功率 is being used.

功率因数指示了有功功率被有效利用的程度。

作文

In the realm 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 power that results in the production of energy that can be utilized in a circuit. This contrasts with reactive power, which does not perform any useful work but is necessary for maintaining the voltage levels in the system. The importance of active power cannot be overstated, as it is the component of electrical power that directly correlates with the energy consumed by appliances and machines. For instance, when you turn on a light bulb, the active power is what allows the bulb to emit light. Similarly, in industrial settings, heavy machinery relies on active power to function efficiently. The measurement of active power is essential for determining energy costs, as utility companies charge consumers based on their active power consumption.Moreover, the relationship between active power and other types of power, such as reactive power and apparent power, is fundamental in understanding how electrical systems operate. Apparent power is the combination of active power and reactive power, represented in volt-amperes (VA). The ratio of active power to apparent power is known as the power factor, which is an important metric in assessing the efficiency of electrical systems. A power factor close to one indicates that most of the power is being converted into useful work, while a lower power factor suggests inefficiencies due to high levels of reactive power.In practical applications, engineers often strive to maximize active power while minimizing reactive power to enhance system efficiency. This can involve using power factor correction devices, such as capacitors, to offset the effects of inductive loads that contribute to reactive power. By improving the power factor, businesses can reduce their electricity bills and minimize the environmental impact associated with energy consumption.In conclusion, active power plays a vital role in the functioning of electrical systems. It is the measure of power that performs actual work, making it essential for the operation of all electrical devices. Understanding active power and its implications helps in optimizing energy usage, reducing costs, and promoting sustainability. As technology advances and the demand for efficient energy solutions increases, the significance of active power will only grow, making it a key area of focus for future developments in electrical engineering.

在电气工程领域，理解“有功功率”的概念对专业人士和学生来说都至关重要。“有功功率”指的是电气设备为执行有用工作而消耗的实际功率。它以瓦特（W）为单位进行测量，表示在电路中可以利用的能量的真实功率。这与无功功率形成对比，后者并不执行任何有用工作，但对于维持系统中的电压水平是必要的。“有功功率”的重要性不容小觑，因为它是直接与电器和机器消耗的能量相关的电力成分。例如，当你打开灯泡时，“有功功率”使灯泡发出光。同样，在工业环境中，重型机械依赖于“有功功率”以高效运作。“有功功率”的测量对于确定能源成本至关重要，因为公用事业公司根据消费者的“有功功率”消耗来收费。此外，“有功功率”与其他类型的功率（如无功功率和视在功率）之间的关系是理解电气系统如何运作的基础。视在功率是“有功功率”和无功功率的组合，以伏安（VA）表示。“有功功率”与视在功率的比率称为功率因数，这是评估电气系统效率的重要指标。接近1的功率因数表明大部分功率被转化为有用工作，而较低的功率因数则表明由于高水平的无功功率而导致的效率低下。在实际应用中，工程师通常努力最大化“有功功率”，同时最小化无功功率，以提高系统效率。这可能涉及使用功率因数校正设备，如电容器，以抵消对无功功率贡献的感性负载的影响。通过改善功率因数，企业可以减少电费并最小化与能源消耗相关的环境影响。总之，“有功功率”在电气系统的功能中发挥着至关重要的作用。它是执行实际工作的功率测量，使其对所有电气设备的操作至关重要。理解“有功功率”及其影响有助于优化能源使用、降低成本并促进可持续发展。随着技术的进步和对高效能源解决方案需求的增加，“有功功率”的重要性只会增长，使其成为电气工程未来发展的关键关注领域。