power factor meter

简明释义

功率因数表功率因数计

英英释义

A power factor meter is an electrical device that measures the power factor of an electrical system, which is the ratio of real power to apparent power in the circuit.

功率因数计是一种电气设备,用于测量电气系统的功率因数,即电路中有功功率与视在功率的比率。

例句

1.To improve energy savings, we installed a power factor meter in our facility.

为了提高节能效果,我们在设施中安装了功率因数表

2.We need to calibrate the power factor meter before conducting the tests.

在进行测试之前,我们需要校准功率因数表

3.Regular checks with a power factor meter can help prevent electrical issues.

定期使用功率因数表检查可以帮助防止电气问题。

4.The power factor meter indicated that our power factor was below the acceptable level.

功率因数表显示我们的功率因数低于可接受水平。

5.The technician used a power factor meter to assess the efficiency of the electrical system.

技师使用功率因数表来评估电力系统的效率。

作文

In the world of electrical engineering, understanding various parameters is crucial for optimizing the performance of electrical systems. One important parameter that often comes up is the power factor, which is a measure of how effectively electrical power is being converted into useful work output. To assess and monitor this parameter, engineers and technicians use a device known as a power factor meter. A power factor meter (功率因数表) is an instrument that measures the power factor in an electrical system, providing valuable insights into the efficiency of power usage.The power factor is defined as the ratio of real power (measured in watts) to apparent power (measured in volt-amperes). Real power is the actual power consumed by the circuit to perform useful work, while apparent power is the product of the current and voltage in the circuit. A power factor of 1 (or 100%) indicates that all the power supplied by the source is being used effectively, whereas a lower power factor signifies that a portion of the power is not being utilized efficiently.Using a power factor meter is essential in many applications, especially in industrial settings where large machines and motors operate. These devices often have inductive loads, which can lead to a lower power factor. When the power factor is low, it means that the electrical system is drawing more current than necessary, resulting in increased energy costs and potential overheating of equipment. By measuring the power factor with a power factor meter, operators can identify issues and take corrective actions, such as installing power factor correction capacitors.Moreover, utilities often charge higher rates for customers with low power factors, as they need to generate more power to meet the demand. Therefore, maintaining a high power factor is not only beneficial for operational efficiency but also for cost savings. Regular monitoring with a power factor meter helps businesses remain compliant with utility regulations and avoid penalties.Another significant benefit of using a power factor meter is its role in enhancing the lifespan of electrical equipment. Motors and transformers operating at a low power factor experience more stress, leading to premature failure. By ensuring that the power factor is kept at an optimal level, facilities can extend the life of their equipment, reducing downtime and maintenance costs.In conclusion, the power factor meter (功率因数表) is an indispensable tool in the field of electrical engineering. It provides critical information about the efficiency of power usage in electrical systems, helping to optimize performance, reduce costs, and prolong the lifespan of equipment. As industries continue to strive for greater efficiency and sustainability, the importance of monitoring power factor cannot be overstated. The adoption of technologies like the power factor meter will undoubtedly play a vital role in achieving these goals, making it an essential component in the management of modern electrical systems.

在电气工程的世界中,理解各种参数对于优化电气系统的性能至关重要。一个经常出现的重要参数是功率因数,它衡量电能转化为有用功输出的有效性。为了评估和监测这一参数,工程师和技术人员使用一种被称为功率因数表的设备。功率因数表是测量电气系统中功率因数的仪器,提供有关电力使用效率的宝贵见解。功率因数定义为实际功率(以瓦特为单位)与视在功率(以伏安为单位)的比率。实际功率是电路消耗的实际功率,用于执行有用工作,而视在功率是电路中电流和电压的乘积。功率因数为1(或100%)表示源提供的所有功率都被有效利用,而较低的功率因数则意味着一部分功率未被有效利用。在许多应用中,使用功率因数表是必不可少的,尤其是在大型机器和电动机操作的工业环境中。这些设备通常具有感性负载,这可能导致较低的功率因数。当功率因数较低时,意味着电气系统消耗的电流超过必要的量,导致能源成本增加和设备过热的潜在风险。通过使用功率因数表测量功率因数,操作人员可以识别问题并采取纠正措施,例如安装功率因数校正电容器。此外,公用事业公司通常会对功率因数低的客户收取更高的费用,因为他们需要产生更多的电力以满足需求。因此,保持高功率因数不仅对操作效率有利,而且对节省成本也至关重要。定期使用功率因数表进行监测有助于企业遵守公用事业法规,避免罚款。使用功率因数表的另一个显著好处是它在延长电气设备寿命方面的作用。在低功率因数下运行的电动机和变压器承受更多压力,导致提前故障。通过确保功率因数保持在最佳水平,设施可以延长设备的使用寿命,减少停机时间和维护成本。总之,功率因数表(功率因数表)是电气工程领域中不可或缺的工具。它提供有关电气系统中电力使用效率的关键信息,有助于优化性能、降低成本并延长设备寿命。随着各行业继续努力实现更大的效率和可持续性,监测功率因数的重要性不容小觑。采用像功率因数表这样的技术无疑将在实现这些目标中发挥重要作用,使其成为现代电气系统管理中不可或缺的组成部分。

相关单词

factor

factor详解:怎么读、什么意思、用法

meter

meter详解:怎么读、什么意思、用法