active power

简明释义

有效功率

英英释义

例句

1.In electrical engineering, active power 有功功率 is measured in watts and is essential for performing actual work.

在电气工程中，active power 有功功率以瓦特为单位，是进行实际工作的关键。

2.Monitoring the active power 有功功率 usage can help reduce energy costs in a commercial building.

监测active power 有功功率的使用可以帮助降低商业建筑的能源成本。

3.The generator produces a steady flow of active power 有功功率 to supply the entire factory.

发电机产生稳定的active power 有功功率，以供给整个工厂。

4.The efficiency of the motor is determined by how much active power 有功功率 it consumes versus its output.

电动机的效率由其消耗的active power 有功功率与输出之间的比例决定。

5.During peak hours, the demand for active power 有功功率 often exceeds the supply capacity.

在高峰时段，active power 有功功率的需求往往超过供应能力。

作文

In the realm of electrical engineering, the concept of active power plays a crucial role in understanding how electrical systems operate. 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 energy that is converted into work, heat, or light. Understanding active power is essential for engineers and technicians who design and maintain electrical systems, as it directly affects the efficiency and performance of these systems.To delve deeper into the significance of active power, we must first differentiate it from other types of power, such as reactive power and apparent power. While active power is the real power used in a circuit, reactive power, measured in volt-amperes reactive (VAR), does not perform any useful work but is necessary for maintaining the voltage levels within the system. Apparent power, on the other hand, is the combination of both active power and reactive power and is measured in volt-amperes (VA). This distinction is vital in designing electrical systems, as it helps engineers ensure that they are supplying the correct amount of power needed for various applications.One practical example of active power can be seen in household appliances. For instance, when you turn on a light bulb, the active power consumed by the bulb is what allows it to emit light. If the bulb consumes 60 watts of active power, this means that it uses 60 joules of energy per second to produce light. Understanding this concept allows homeowners to calculate their energy consumption and make informed decisions about energy efficiency.Moreover, active power is critical in industrial settings, where large machinery requires precise power management. In factories, for example, motors and other equipment rely on active power to function effectively. Engineers must account for the active power needs of each machine to prevent overloads and ensure that the entire system operates smoothly. Failure to manage active power properly can lead to increased energy costs, equipment failure, and even safety hazards.Additionally, the concept of active power is integral to the development of renewable energy sources. As more industries and households transition to solar panels and wind turbines, understanding how much active power these systems can generate is essential for integrating them into the existing power grid. Engineers must calculate the active power output of renewable systems to ensure that they meet the energy demands of consumers while maintaining grid stability.In conclusion, the understanding of active power is fundamental in various fields, including residential, industrial, and renewable energy sectors. By grasping the importance of active power, individuals and professionals can optimize energy usage, enhance system performance, and contribute to a more sustainable future. As technology continues to evolve, the role of active power will undoubtedly remain pivotal in shaping the way we consume and manage energy.

在电气工程领域，有功功率的概念在理解电气系统如何运作中起着至关重要的作用。有功功率指的是被电气设备消耗以执行有用工作的实际功率。它以瓦特（W）为单位进行测量，表示转化为工作、热量或光的能量。理解有功功率对于设计和维护电气系统的工程师和技术人员至关重要，因为它直接影响这些系统的效率和性能。为了更深入地探讨有功功率的重要性，我们必须首先区分其他类型的功率，如无功功率和视在功率。虽然有功功率是电路中使用的真实功率，但无功功率（以伏安无功（VAR）为单位测量）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。另一方面，视在功率是有功功率和无功功率的组合，以伏安（VA）为单位进行测量。这种区别在设计电气系统时至关重要，因为它帮助工程师确保他们为各种应用提供所需的正确功率。有功功率的一个实际例子可以在家用电器中看到。例如，当你打开灯泡时，灯泡消耗的有功功率使其发出光。如果灯泡消耗60瓦的有功功率，这意味着它每秒使用60焦耳的能量来产生光。理解这一概念使得房主能够计算他们的能耗，并做出有关能效的明智决策。此外，有功功率在工业环境中也至关重要，其中大型机械需要精确的功率管理。例如，在工厂中，电动机和其他设备依赖于有功功率有效运行。工程师必须考虑每台机器的有功功率需求，以防止过载并确保整个系统顺利运行。未能妥善管理有功功率可能导致能源成本增加、设备故障，甚至安全隐患。此外，有功功率的概念对于可再生能源的开发至关重要。随着越来越多的工业和家庭转向太阳能电池板和风力涡轮机，了解这些系统能产生多少有功功率对于将其纳入现有电网至关重要。工程师必须计算可再生系统的有功功率输出，以确保它们满足消费者的能源需求，同时保持电网的稳定性。总之，理解有功功率在住宅、工业和可再生能源等多个领域都是基础性的。通过掌握有功功率的重要性，个人和专业人士可以优化能源使用、提高系统性能，并为更可持续的未来做出贡献。随着技术的不断发展，有功功率的角色无疑将在塑造我们消费和管理能源的方式中保持关键地位。