electric power factor

简明释义

电轼率因数

英英释义

The electric power factor is a measure of how effectively electrical power is being converted into useful work output. It is defined as the ratio of real power flowing to the load to the apparent power in the circuit.

电力因数是衡量电能转化为有效功率输出的效率的指标。它被定义为流向负载的实功与电路中的视在功率之比。

例句

1.The utility company monitors the electric power factor 电力因数 of industrial customers to ensure efficient energy use.

公用事业公司监测工业客户的电力因数 electric power factor以确保能量使用的效率。

2.To comply with regulations, companies must maintain their electric power factor 电力因数 above a certain threshold.

为了遵守法规,公司必须将其电力因数 electric power factor维持在某个阈值以上。

3.Improving the electric power factor 电力因数 can lead to reduced electricity bills for businesses.

改善电力因数 electric power factor可以为企业减少电费支出。

4.Many electrical devices, like motors, can negatively affect the electric power factor 电力因数 if not properly maintained.

许多电气设备,如电动机,如果维护不当,可能会对电力因数 electric power factor产生负面影响。

5.A low electric power factor 电力因数 indicates that more reactive power is being used, which can be costly.

电力因数 electric power factor表明更多的无功功率正在被使用,这可能会导致高昂的费用。

作文

The concept of electric power factor is crucial in the field of electrical engineering and energy management. It refers to the ratio of the real power flowing to the load to the apparent power in the circuit. In simpler terms, it measures how effectively electrical power is being converted into useful work output. A high electric power factor indicates efficient utilization of electrical power, while a low power factor signifies that a large proportion of the electricity is wasted. Understanding the electric power factor is essential for both industrial and commercial facilities because it affects the overall efficiency of the electrical system. In many cases, utility companies charge higher rates for customers with low power factors, as these customers require more apparent power to deliver the same amount of real power. This is why businesses are often encouraged to improve their electric power factor to reduce costs and enhance energy efficiency. To illustrate this further, let’s consider an example. Suppose a factory uses a significant amount of inductive loads such as motors and transformers. These devices can cause the current to lag behind the voltage, leading to a lower electric power factor. Consequently, the factory may face increased electricity bills due to the inefficiency of its power usage. By installing power factor correction devices, such as capacitors, the factory can improve its electric power factor, thus reducing its electricity costs and improving its overall energy efficiency. Moreover, improving the electric power factor not only helps in reducing costs but also contributes to a more stable and reliable electrical grid. When many users have low power factors, it can lead to voltage drops and increased losses in the distribution system. Therefore, enhancing the electric power factor across various sectors can lead to a more robust electrical infrastructure. In conclusion, understanding and managing the electric power factor is vital for any entity that relies on electrical power. It aids in optimizing energy consumption, reducing operational costs, and ensuring the reliability of the electrical supply. As industries continue to grow and technology advances, the importance of maintaining a high electric power factor will only increase, making it a key aspect of modern energy management practices.

电力因数的概念在电气工程和能源管理领域至关重要。它指的是流向负载的实际功率与电路中视在功率的比率。简单来说,它衡量电力被有效转换为有用工作输出的程度。高电力因数表明电力的有效利用,而低电力因数则意味着大量电能被浪费。理解电力因数对于工业和商业设施至关重要,因为它影响电气系统的整体效率。在许多情况下,公用事业公司对低电力因数的客户收取更高的费用,因为这些客户需要更多的视在功率来提供相同数量的实际功率。这就是为什么企业通常被鼓励改善其电力因数,以降低成本并提高能源效率。为了进一步说明这一点,让我们考虑一个例子。假设一家工厂使用大量感性负载,如电动机和变压器。这些设备可能导致电流滞后于电压,从而导致电力因数降低。因此,工厂可能会因其电力使用效率低下而面临更高的电费。通过安装电力因数校正设备,如电容器,工厂可以改善其电力因数,从而降低电费并提高整体能源效率。此外,提高电力因数不仅有助于降低成本,还有助于电网的稳定性和可靠性。当许多用户的电力因数较低时,可能会导致电压下降和配电系统中的损耗增加。因此,在各个部门提升电力因数可以促进电力基础设施的稳健发展。总之,理解和管理电力因数对于任何依赖电力的实体都是至关重要的。它有助于优化能源消耗、降低运营成本,并确保电力供应的可靠性。随着工业的不断增长和技术的进步,保持高电力因数的重要性将只会增加,使其成为现代能源管理实践的关键方面。

相关单词

factor

factor详解:怎么读、什么意思、用法