reactive power factor

简明释义

无功功率因素

英英释义

例句

1.To avoid penalties, we need to monitor our reactive power factor 无功功率因数 regularly.

为了避免罚款，我们需要定期监测我们的reactive power factor 无功功率因数。

2.By installing capacitors, we can enhance the reactive power factor 无功功率因数 of our system.

通过安装电容器，我们可以增强我们系统的reactive power factor 无功功率因数。

3.A low reactive power factor 无功功率因数 can lead to higher electricity costs for businesses.

低reactive power factor 无功功率因数可能导致企业电费增加。

4.The utility company offers incentives for improving the reactive power factor 无功功率因数 in commercial buildings.

公用事业公司为改善商业建筑的reactive power factor 无功功率因数提供激励措施。

5.The electrical engineer explained how to improve the reactive power factor 无功功率因数 in the industrial plant.

电气工程师解释了如何改善工业厂房的reactive power factor 无功功率因数。

作文

The concept of reactive power factor is crucial in the field of electrical engineering, particularly when dealing with alternating current (AC) systems. To understand this term better, we must first distinguish between active power, reactive power, and apparent power. Active power, measured in watts (W), is the power that actually performs work in a circuit, such as lighting a bulb or running a motor. Reactive power, on the other hand, measured in volt-amperes reactive (VAR), does not perform any real work but is essential for maintaining the voltage levels necessary for active power to flow. Apparent power, measured in volt-amperes (VA), is the combination of both active and reactive power.The reactive power factor is defined as the ratio of active power to apparent power in an AC system. It is a measure of how effectively electrical power is being converted into useful work output. A high reactive power factor indicates that most of the power is being used effectively, while a low reactive power factor suggests that a significant portion of the power is wasted as reactive power.In practical terms, the reactive power factor can have significant implications for the efficiency of electrical systems. For instance, industries that rely heavily on inductive loads, such as motors and transformers, often experience low reactive power factors. This inefficiency can lead to higher electricity costs and potential penalties from utility companies, which may impose charges for low power factors. As a result, many businesses invest in power factor correction equipment, such as capacitors, to improve their reactive power factor and enhance overall energy efficiency.Moreover, the reactive power factor plays a critical role in the stability of power systems. A balanced power factor helps ensure that the voltage levels remain stable, which is essential for the smooth operation of electrical devices. In contrast, a poor reactive power factor can lead to voltage drops or fluctuations, potentially causing equipment failures or disruptions in service.To sum up, understanding the reactive power factor is vital for anyone involved in electrical engineering or energy management. By optimizing this factor, industries can not only reduce their operational costs but also contribute to a more sustainable and efficient power grid. As technology continues to advance, the importance of managing the reactive power factor will only grow, highlighting the need for ongoing education and innovation in this area.

‘反应功率因数’这一概念在电气工程领域至关重要，特别是在处理交流（AC）系统时。要更好地理解这个术语，我们必须首先区分有功功率、无功功率和视在功率。有功功率以瓦特（W）为单位，是在电路中实际进行工作的功率，比如照亮灯泡或驱动电动机。另一方面，无功功率以乏（VAR）为单位，不进行任何实际工作，但对于维持有功功率流动所需的电压水平是必不可少的。视在功率以伏安（VA）为单位，是有功功率和无功功率的结合。反应功率因数被定义为交流系统中有功功率与视在功率的比率。它是衡量电力如何有效转化为有用工作输出的指标。高反应功率因数表明大部分电力被有效利用，而低反应功率因数则表明相当一部分电力作为无功功率被浪费。在实际操作中，反应功率因数可能对电气系统的效率产生重大影响。例如，依赖感性负载（如电动机和变压器）的行业往往会经历低反应功率因数。这种低效率可能导致更高的电费和公用事业公司可能收取的低功率因数罚款。因此，许多企业投资于功率因数校正设备，如电容器，以改善其反应功率因数并提高整体能效。此外，反应功率因数在电力系统的稳定性中也发挥着关键作用。平衡的功率因数有助于确保电压水平保持稳定，这对于电气设备的平稳运行至关重要。相反，较差的反应功率因数可能导致电压下降或波动，从而可能导致设备故障或服务中断。总之，理解反应功率因数对任何参与电气工程或能源管理的人来说都是至关重要的。通过优化这一因数，行业不仅可以降低运营成本，还可以为更可持续和高效的电网做出贡献。随着技术的不断进步，管理反应功率因数的重要性只会增加，突显了在这一领域持续教育和创新的必要性。