hysteresis loss

简明释义

滞后损失

英英释义

例句

1.Reducing hysteresis loss 滞后损耗 is crucial for improving the performance of electric motors.

减少滞后损耗对提高电动机的性能至关重要。

2.To minimize hysteresis loss 滞后损耗, manufacturers often use laminated cores in transformers.

为了最小化滞后损耗，制造商通常在变压器中使用层压核心。

3.Engineers often analyze hysteresis loss 滞后损耗 when designing magnetic materials for high-frequency applications.

工程师在为高频应用设计磁性材料时，经常分析滞后损耗。

4.The transformer efficiency can be significantly affected by the amount of hysteresis loss 滞后损耗 in the core material.

变压器的效率可以受到核心材料中滞后损耗的影响。

5.The hysteresis loss 滞后损耗 in a magnetic circuit can lead to overheating and reduced lifespan.

磁路中的滞后损耗可能导致过热和缩短使用寿命。

作文

Hysteresis loss is a phenomenon that occurs in magnetic materials when they are subjected to cyclic magnetization. This loss is primarily due to the lagging of the magnetic domains within the material as they respond to an alternating magnetic field. When a magnetic material is magnetized, its internal magnetic domains align with the external magnetic field. However, when the field is removed or reversed, the domains do not return to their original positions immediately. This delay leads to energy dissipation in the form of heat, which is known as hysteresis loss (滞后损失). Understanding hysteresis loss (滞后损失) is crucial for engineers and scientists working in fields such as electrical engineering, materials science, and physics. The amount of energy lost due to hysteresis can significantly affect the efficiency of electrical devices, particularly transformers and electric motors. In transformers, for instance, hysteresis loss (滞后损失) contributes to the overall energy losses that occur during the conversion of electrical energy from one voltage level to another. To minimize hysteresis loss (滞后损失), various strategies can be employed. One common approach is to use materials with low hysteresis loss characteristics, such as silicon steel, which is often used in transformer cores. Additionally, the design of the magnetic circuit can be optimized to reduce the effects of hysteresis. For example, using laminated cores instead of solid cores can help to decrease the area of energy loss by limiting the path of eddy currents, which also contribute to energy dissipation. In addition to practical applications, hysteresis loss (滞后损失) also has theoretical implications in understanding the behavior of magnetic materials. The area within the hysteresis loop on a B-H curve (magnetic flux density vs. magnetic field strength) represents the energy lost per cycle due to hysteresis. A smaller hysteresis loop indicates a lower hysteresis loss (滞后损失), which is desirable for efficient magnetic materials. Researchers continually seek to develop new materials that exhibit minimal hysteresis effects, thereby enhancing the performance of various devices. In conclusion, hysteresis loss (滞后损失) is a significant factor in the design and efficiency of magnetic materials and electrical devices. By understanding the mechanisms behind this phenomenon and implementing effective strategies to mitigate its effects, engineers can improve the performance of transformers, motors, and other electrical equipment. As technology advances, the importance of addressing hysteresis loss (滞后损失) will only continue to grow, making it a critical area of study in the field of electromagnetism and materials science.

滞后损失是指在磁性材料受到周期性磁化时发生的一种现象。这种损失主要是由于材料内部的磁畴在响应交变磁场时滞后的结果。当磁性材料被磁化时，其内部的磁畴会与外部磁场对齐。然而，当磁场被移除或反转时，磁畴并不会立即返回到原来的位置。这种延迟导致能量以热量的形式被耗散，这就是我们所称的滞后损失。理解滞后损失对于从事电气工程、材料科学和物理学等领域的工程师和科学家至关重要。由于滞后损失，因而在变压器和电动机等电气设备中，能量损失的程度可能会显著影响其效率。例如，在变压器中，滞后损失会导致在将电能从一个电压水平转换到另一个电压水平时，整体能量损失的增加。为了减少滞后损失，可以采用多种策略。一种常见的方法是使用具有低滞后损失特征的材料，如硅钢，通常用于变压器的核心。此外，磁路的设计可以优化，以减少滞后效应。例如，使用层压核心而不是实心核心可以通过限制涡流的路径来帮助减少能量损失的面积，因为涡流也会导致能量耗散。除了实际应用外，滞后损失在理解磁性材料的行为方面也具有理论意义。在B-H曲线（磁通密度与磁场强度的关系图）上，滞后环内的面积代表每个周期因滞后而损失的能量。较小的滞后环表示较低的滞后损失，这对于高效的磁性材料是可取的。研究人员不断寻求开发新的材料，以展现最小的滞后效应，从而提升各种设备的性能。总之，滞后损失在磁性材料和电气设备的设计与效率中是一个重要因素。通过理解这一现象背后的机制，并实施有效的策略来减轻其影响，工程师可以改善变压器、电动机和其他电气设备的性能。随着技术的进步，解决滞后损失的重要性只会继续增长，使其成为电磁学和材料科学领域中一个关键的研究领域。