dielectric loss angle

简明释义

介质损耗角

英英释义

例句

1.A low dielectric loss angle 介质损耗角 indicates better efficiency in capacitor applications.

较低的介质损耗角 dielectric loss angle 表明电容器应用中的效率更高。

2.Engineers often refer to the dielectric loss angle 介质损耗角 when designing high-frequency circuits.

工程师在设计高频电路时常常参考介质损耗角 dielectric loss angle。

3.The dielectric loss angle 介质损耗角 can be influenced by temperature and frequency changes.

温度和频率变化可以影响介质损耗角 dielectric loss angle。

4.In power systems, monitoring the dielectric loss angle 介质损耗角 helps prevent insulation failures.

在电力系统中，监测介质损耗角 dielectric loss angle 有助于防止绝缘失效。

5.The measurement of the dielectric loss angle 介质损耗角 is crucial for assessing the performance of insulating materials.

测量介质损耗角 dielectric loss angle 对评估绝缘材料的性能至关重要。

作文

In the field of electrical engineering and materials science, understanding the properties of dielectric materials is crucial for designing efficient electronic devices. One significant property of these materials is their ability to store and dissipate electrical energy, which can be characterized by the dielectric loss angle. The dielectric loss angle is a measure of the inefficiency in a dielectric material as it relates to the energy loss during the application of an alternating electric field. This concept is essential when evaluating the performance of capacitors, insulators, and other components that rely on dielectric materials.When an alternating current (AC) is applied to a dielectric material, the material undergoes polarization, where the positive and negative charges within the material align with the electric field. Ideally, this process should be instantaneous; however, in reality, there is a lag between the applied electric field and the resulting polarization. This lag results in energy being lost in the form of heat, which is quantified by the dielectric loss angle. The greater the angle, the more energy is lost, indicating a less efficient dielectric material.The dielectric loss angle is often represented by the symbol δ (delta) and is calculated using the relationship between the resistive and reactive components of the dielectric's impedance. It provides insight into how well a dielectric material can perform under various frequencies of electric fields. By analyzing the dielectric loss angle, engineers can determine the suitability of a dielectric material for specific applications, such as in high-frequency circuits or power transmission systems.Moreover, the dielectric loss angle is influenced by several factors, including temperature, frequency, and the intrinsic properties of the material itself. For instance, as temperature increases, the molecular motion within the dielectric material tends to increase, leading to higher energy losses and a larger dielectric loss angle. Similarly, at higher frequencies, the polarization mechanisms may not keep pace with the rapidly changing electric field, further increasing the angle.In practical applications, minimizing the dielectric loss angle is vital for enhancing the efficiency of electrical devices. Engineers and researchers continuously strive to develop new materials with lower loss angles, which can lead to improved performance in capacitors, transformers, and other electrical components. For example, advancements in polymer technology have produced dielectrics with significantly reduced dielectric loss angles, making them suitable for high-performance applications.In conclusion, the dielectric loss angle is a critical parameter in understanding the behavior of dielectric materials under electrical stress. It serves as a key indicator of energy efficiency and performance in various electrical applications. By thoroughly analyzing and optimizing the dielectric loss angle, engineers can enhance the design and functionality of electronic devices, paving the way for more efficient technologies in the future.

在电气工程和材料科学领域，理解介电材料的特性对于设计高效的电子设备至关重要。其中一个重要特性是这些材料储存和耗散电能的能力，这可以通过介电损耗角来表征。介电损耗角是介电材料在施加交流电场时，与能量损失相关的非效率的度量。这一概念在评估电容器、绝缘体和其他依赖于介电材料的组件的性能时至关重要。当交流电应用于介电材料时，该材料会发生极化，其中材料内的正负电荷与电场对齐。理想情况下，这一过程应该是瞬时的；然而，实际上，施加的电场与结果极化之间存在滞后。这种滞后导致能量以热的形式损失，这被量化为介电损耗角。角度越大，损失的能量越多，表明介电材料的效率越低。介电损耗角通常用符号δ（德尔塔）表示，并通过介电阻抗的电阻分量和电抗分量之间的关系进行计算。它提供了关于介电材料在不同电场频率下性能的深入见解。通过分析介电损耗角，工程师可以确定介电材料在特定应用中的适用性，例如在高频电路或电力传输系统中。此外，介电损耗角受多个因素的影响，包括温度、频率以及材料本身的内在特性。例如，随着温度的升高，介电材料内部的分子运动往往增加，导致能量损失增加和介电损耗角增大。同样，在高频下，极化机制可能无法跟上快速变化的电场，从而进一步增加角度。在实际应用中，最小化介电损耗角对于提高电气设备的效率至关重要。工程师和研究人员不断努力开发具有较低损耗角的新材料，这可以提高电容器、变压器和其他电气组件的性能。例如，聚合物技术的进步已经生产出具有显著降低的介电损耗角的介电材料，使其适用于高性能应用。总之，介电损耗角是理解介电材料在电气应力下行为的重要参数。它作为各种电气应用中能量效率和性能的关键指标。通过彻底分析和优化介电损耗角，工程师可以增强电子设备的设计和功能，为未来更高效的技术铺平道路。