core loss

简明释义

铁损

英英释义

例句

1.High-frequency operations can lead to increased core loss (铁心损耗) in inductors.

高频操作可能导致电感器中core loss（铁心损耗）的增加。

2.The design of the transformer must minimize core loss (铁心损耗) to improve efficiency.

变压器的设计必须尽量减少core loss（铁心损耗）以提高效率。

3.The manufacturer claims that their new material significantly reduces core loss (铁心损耗).

制造商声称他们的新材料显著减少了core loss（铁心损耗）。

4.To achieve better performance, it's crucial to analyze the core loss (铁心损耗) in the circuit design.

为了获得更好的性能，分析电路设计中的core loss（铁心损耗）至关重要。

5.Engineers are constantly researching ways to reduce core loss (铁心损耗) in electrical machines.

工程师们不断研究减少电机中core loss（铁心损耗）的方法。

作文

Understanding the concept of core loss is crucial in the field of electrical engineering, particularly when dealing with transformers and inductors. Core loss refers to the energy lost in the magnetic core of these devices due to hysteresis and eddy currents. Hysteresis loss occurs because the magnetic material used in the core does not return to its original state after being magnetized; instead, some energy is dissipated as heat. Eddy current loss, on the other hand, is caused by circulating currents induced within the core material when it is subjected to a changing magnetic field. The significance of core loss cannot be overstated, especially in applications where efficiency is paramount. Transformers are widely used in power distribution systems, and minimizing core loss can lead to substantial energy savings over time. For instance, in large-scale power plants, even a small reduction in core loss can translate into significant cost savings, making it an important consideration for engineers during the design phase.Moreover, the choice of core material plays a vital role in determining the amount of core loss. Materials with low hysteresis loss, such as silicon steel, are often preferred for transformer cores. These materials are designed to minimize energy losses while maintaining effective magnetic properties. Additionally, advanced technologies like amorphous steel and ferrites have been developed to further reduce core loss, enhancing the overall efficiency of electrical devices.In practical terms, engineers often conduct tests to measure core loss in prototypes before finalizing designs. This process involves applying a known alternating magnetic field to the core material and measuring the resulting energy losses. By understanding how core loss varies with frequency and temperature, engineers can make informed decisions about materials and designs that optimize performance.Furthermore, core loss has implications beyond just efficiency; it also affects the thermal management of electrical devices. Excessive core loss can lead to overheating, which may damage insulation and reduce the lifespan of components. Therefore, managing core loss is essential not only for efficiency but also for the reliability and longevity of electrical equipment.In conclusion, core loss is a fundamental concept in electrical engineering that encompasses energy losses in magnetic cores due to hysteresis and eddy currents. Its impact on efficiency, cost, and device reliability makes it a critical factor in the design and operation of transformers and inductors. As technology advances, ongoing research into materials and design strategies continues to improve our understanding and management of core loss, paving the way for more efficient and sustainable electrical systems.

理解核心损失的概念在电气工程领域至关重要，特别是在处理变压器和电感器时。核心损失是指这些设备的磁芯由于滞后和涡流而损失的能量。滞后损失发生在用于芯材的磁性材料在被磁化后并未返回到其原始状态时；相反，一些能量以热量的形式被耗散。另一方面，涡流损失是由于当核心材料受到变化的磁场作用时，在其内部诱发的循环电流所造成的。核心损失的重要性不容小觑，尤其是在效率至关重要的应用中。变压器广泛用于电力分配系统，减少核心损失可以在长时间内带来可观的能源节约。例如，在大型电厂中，即使是小幅度减少核心损失也能转化为显著的成本节省，这使得它成为工程师在设计阶段的重要考虑因素。此外，核心材料的选择在决定核心损失的数量方面也起着至关重要的作用。具有低滞后损失的材料，如硅钢，通常被优先用于变压器核心。这些材料旨在最大限度地减少能量损失，同时保持有效的磁性特性。此外，像非晶钢和铁氧体这样的先进技术已被开发出来，以进一步减少核心损失，提高电气设备的整体效率。在实践中，工程师们通常会对原型进行测试，以测量核心损失，然后再最终确定设计。这个过程涉及将已知的交变磁场施加到核心材料上，并测量由此产生的能量损失。通过了解核心损失如何随频率和温度变化，工程师可以就优化性能的材料和设计做出明智的决策。此外，核心损失不仅影响效率，还影响电气设备的热管理。过高的核心损失可能导致过热，这可能损坏绝缘材料并缩短组件的使用寿命。因此，管理核心损失对于设备的效率、可靠性和耐用性至关重要。总之，核心损失是电气工程中的一个基本概念，涵盖了由于滞后和涡流而导致的磁芯能量损失。它对效率、成本和设备可靠性的影响使其成为变压器和电感器设计与操作中的关键因素。随着技术的发展，对材料和设计策略的持续研究不断提高我们对核心损失的理解和管理，为更高效和可持续的电气系统铺平了道路。