no-load loss

简明释义

无载运转损失

英英释义

例句

1.Engineers need to minimize the no-load loss in electrical devices to save energy.

工程师需要减少电气设备中的空载损耗以节省能源。

2.In power distribution systems, no-load loss can lead to significant energy waste over time.

在电力分配系统中，空载损耗可能会导致随着时间的推移而显著的能源浪费。

3.The no-load loss of the motor was measured to ensure it meets industry standards.

电动机的空载损耗被测量以确保其符合行业标准。

4.Reducing no-load loss is crucial for improving the sustainability of electrical systems.

减少空载损耗对于提高电气系统的可持续性至关重要。

5.The transformer has a no-load loss that affects its overall efficiency during operation.

变压器的空载损耗影响其运行过程中的整体效率。

作文

Understanding the concept of no-load loss is essential in the field of electrical engineering, particularly when dealing with transformers. no-load loss refers to the energy losses that occur in a transformer when it is energized but not supplying any load. These losses are primarily due to the core material of the transformer and are also referred to as iron losses or core losses. They consist of two main components: hysteresis loss and eddy current loss.Hysteresis loss occurs because the magnetic material of the transformer core experiences a lagging effect when the magnetic field changes. This lagging effect results in energy being dissipated as heat. The amount of hysteresis loss is dependent on the type of material used for the core and the frequency of the alternating current (AC) that is applied to the transformer. Higher frequencies lead to increased hysteresis losses.On the other hand, eddy current loss is caused by the currents induced in the core material itself due to the changing magnetic field. These induced currents create loops of electricity that flow within the core, leading to energy dissipation in the form of heat. To minimize no-load loss, transformer manufacturers often use laminated cores made of thin sheets of magnetic material instead of solid cores. This design reduces the path for eddy currents, thereby decreasing their magnitude and the associated losses.The significance of no-load loss cannot be overstated. In practical applications, transformers are often not operating at full capacity, meaning that they may experience no-load loss even when they are not delivering power to any load. This can lead to inefficiencies and increased operational costs over time. Therefore, understanding and minimizing no-load loss is crucial for improving the overall efficiency of electrical systems.When assessing the performance of a transformer, engineers must consider both no-load loss and load losses, which occur when the transformer is supplying power to a load. By analyzing these losses, engineers can make informed decisions about the design and selection of transformers for specific applications. For instance, a transformer with low no-load loss would be ideal for applications where it is frequently energized but not heavily loaded, such as in substations or distribution networks.Moreover, advancements in technology have led to the development of high-efficiency transformers that significantly reduce no-load loss. These transformers utilize advanced materials and designs that enhance performance while minimizing energy waste. As the demand for energy efficiency continues to grow, understanding no-load loss will become increasingly important for engineers and designers alike.In conclusion, no-load loss plays a critical role in the efficiency of transformers and electrical systems. By recognizing its impact and implementing strategies to minimize it, engineers can contribute to more sustainable and cost-effective energy solutions. Understanding this concept not only aids in the design and operation of transformers but also fosters greater awareness of energy conservation in the broader context of electrical engineering. As we move towards a future that prioritizes sustainability, grasping the significance of no-load loss will be vital for all professionals in the field.

理解无负载损耗的概念在电气工程领域中至关重要，特别是在处理变压器时。无负载损耗是指变压器在通电但不提供任何负载时发生的能量损失。这些损失主要由于变压器的核心材料而产生，也被称为铁损或核心损失。它们主要由两个组成部分构成：滞后损失和涡流损失。滞后损失的发生是因为变压器核心的磁性材料在磁场变化时会出现滞后效应。这种滞后效应导致能量以热量的形式被消耗。滞后损失的大小取决于所使用的核心材料类型和施加于变压器的交流电（AC）的频率。较高的频率会导致滞后损失的增加。另一方面，涡流损失是由于变化的磁场在核心材料中诱导的电流造成的。这些诱导电流在核心内部形成闭合的电流环，导致能量以热量的形式被消耗。为了最小化无负载损耗，变压器制造商通常使用由薄片状磁性材料制成的层压核心，而不是实心核心。这种设计减少了涡流的路径，从而降低了其幅度及相关损失。无负载损耗的重要性不容小觑。在实际应用中，变压器往往并未满负荷运行，这意味着即使在未向任何负载供电时，它们也可能经历无负载损耗。这可能导致效率低下和随时间增加的运营成本。因此，理解和最小化无负载损耗对提高电气系统的整体效率至关重要。在评估变压器的性能时，工程师必须同时考虑无负载损耗和负载损耗，后者发生在变压器向负载供电时。通过分析这些损失，工程师可以就特定应用的变压器设计和选择做出明智的决策。例如，具有低无负载损耗的变压器将非常适合于经常通电但负载不重的应用，例如在变电站或配电网络中。此外，技术的进步导致高效变压器的发展，这些变压器显著降低了无负载损耗。这些变压器利用先进的材料和设计来增强性能，同时最小化能量浪费。随着对能源效率的需求不断增长，理解无负载损耗将变得越来越重要，工程师和设计师都应对此有所认识。总之，无负载损耗在变压器和电气系统的效率中扮演着关键角色。通过认识到其影响并实施减少其影响的策略，工程师可以为更可持续和经济的能源解决方案作出贡献。理解这一概念不仅有助于变压器的设计和操作，还促进了在更广泛的电气工程背景下对能源保护的更大认识。随着我们迈向一个优先考虑可持续发展的未来，掌握无负载损耗的重要性将对该领域的所有专业人士至关重要。