apparent load

简明释义

表现载荷

英英释义

例句

1.The engineer calculated the apparent load to ensure the electrical system could handle the demand.

工程师计算了表观负荷以确保电气系统能够承受需求。

2.To optimize performance, we need to monitor the apparent load regularly.

为了优化性能，我们需要定期监测表观负荷。

3.In HVAC design, understanding the apparent load is crucial for selecting the right equipment.

在暖通空调设计中，了解表观负荷对于选择合适的设备至关重要。

4.The apparent load on the transformer exceeded its capacity during peak hours.

在高峰时段，变压器上的表观负荷超过了其容量。

5.The apparent load calculation helped us identify potential issues in the power distribution.

对表观负荷的计算帮助我们识别了电力分配中的潜在问题。

作文

In the field of engineering, the term apparent load refers to the total amount of electrical power that a device appears to consume. This concept is crucial for understanding how electrical systems operate and for designing efficient circuits. The apparent load is not just about the actual power consumed; it also includes reactive power, which is necessary for the functioning of inductive devices such as motors and transformers. To grasp the significance of apparent load, we must first differentiate between three types of power: active power, reactive power, and apparent power. Active power, measured in watts (W), is the real power that performs useful work. Reactive power, measured in volt-amperes reactive (VAR), does not perform any useful work but is essential for maintaining the voltage levels in the system. Finally, apparent power, measured in volt-amperes (VA), is the combination of both active and reactive power. The relationship among these powers can be expressed by the equation: Apparent Power (S) = √(Active Power² + Reactive Power²) Understanding apparent load is vital for engineers when designing electrical systems. For instance, when sizing transformers, engineers must consider the apparent load to ensure that the transformer can handle the total power demand without overheating or failing. If the apparent load exceeds the transformer's capacity, it could lead to significant operational issues, including equipment damage and increased energy costs. Moreover, the apparent load plays a critical role in calculating energy efficiency. By analyzing the relationship between active and reactive power, engineers can optimize the performance of electrical systems. This optimization often involves power factor correction, which aims to reduce the amount of reactive power in the system. A higher power factor indicates that a larger portion of the apparent load is being converted into useful work, leading to lower energy costs and improved system reliability. In residential settings, understanding the apparent load is equally important. Homeowners may not realize that the appliances they use contribute to the overall apparent load. For example, an air conditioner has a high apparent load due to its motor, which requires both active and reactive power to operate effectively. By being aware of the apparent load their household appliances create, homeowners can make informed decisions about energy consumption, potentially leading to savings on electricity bills. In conclusion, the concept of apparent load is fundamental in both engineering and everyday life. It encompasses the total power consumption of devices, combining active and reactive power to provide a comprehensive view of electrical demand. By understanding and managing the apparent load, engineers can design more efficient systems, while consumers can better manage their energy use. As technology continues to evolve, the importance of recognizing and optimizing apparent load will only grow, making it a key consideration in the future of energy management.

在工程领域，术语表观负载指的是设备看似消耗的总电力。这一概念对于理解电气系统的运行以及设计高效电路至关重要。表观负载不仅仅是实际消耗的电力；它还包括对电感设备（如电动机和变压器）正常运行所必需的无功功率。要理解表观负载的重要性，我们必须首先区分三种类型的功率：有功功率、无功功率和表观功率。有功功率以瓦特（W）为单位，是执行有用工作的真实功率。无功功率以伏安无功（VAR）为单位，不执行任何有用工作，但对于维持系统中的电压水平至关重要。最后，表观功率以伏安（VA）为单位，是有功和无功功率的组合。这些功率之间的关系可以用以下公式表示：表观功率（S）= √（有功功率² + 无功功率²）理解表观负载对于工程师在设计电气系统时至关重要。例如，在选择变压器时，工程师必须考虑表观负载，以确保变压器能够承受总功率需求，而不会过热或故障。如果表观负载超过变压器的容量，可能会导致重大操作问题，包括设备损坏和能源成本增加。此外，表观负载在计算能效方面也发挥着关键作用。通过分析有功和无功功率之间的关系，工程师可以优化电气系统的性能。这种优化通常涉及功率因数校正，旨在减少系统中的无功功率。较高的功率因数表明表观负载中更大部分被转化为有用工作，从而降低能源成本并提高系统可靠性。在住宅环境中，理解表观负载同样重要。房主可能没有意识到他们使用的电器会对整体表观负载产生影响。例如，空调由于其电动机而具有较高的表观负载，其正常运行需要有功和无功功率。通过了解家庭电器产生的表观负载，房主可以就能源消费做出明智的决策，从而可能节省电费。总之，表观负载的概念在工程和日常生活中都是基础性的。它涵盖了设备的总功率消耗，将有功和无功功率结合在一起，提供了电力需求的全面视图。通过理解和管理表观负载，工程师可以设计出更高效的系统，而消费者可以更好地管理他们的能源使用。随着技术的不断发展，认识和优化表观负载的重要性只会增加，这使其成为未来能源管理中的关键考虑因素。