breakdown voltage

简明释义

哗电压

英英释义

例句

1.A high breakdown voltage is essential for power transmission lines.

高击穿电压对电力传输线路至关重要。

2.Engineers are testing the breakdown voltage of the new insulation material.

工程师正在测试新绝缘材料的击穿电压。

3.The device failed to operate properly due to a low breakdown voltage.

由于低击穿电压，设备无法正常工作。

4.Understanding the breakdown voltage helps in designing safer electrical circuits.

理解击穿电压有助于设计更安全的电路。

5.The breakdown voltage of the capacitor was measured at 500 volts.

电容器的击穿电压测量为500伏特。

作文

Understanding the concept of breakdown voltage is essential for anyone involved in electrical engineering or related fields. The term breakdown voltage refers to the minimum voltage that causes a portion of an insulator to become electrically conductive. In simpler terms, it is the point at which an insulating material can no longer resist the flow of electric current, leading to a breakdown of its insulating properties. This phenomenon is critical in various applications, including the design and operation of electronic devices, power systems, and circuit protection mechanisms.The breakdown voltage is influenced by several factors, including the type of material, temperature, and the presence of impurities. For instance, different materials have different dielectric strengths, which is a measure of their ability to withstand electric fields without conducting electricity. Common insulating materials like rubber, glass, and ceramics have varying breakdown voltages, making it crucial for engineers to select the right material for specific applications.In practical applications, understanding the breakdown voltage helps engineers design safer and more reliable electrical systems. For example, in high-voltage power lines, the insulation must be able to withstand the maximum operating voltage without reaching its breakdown voltage. If the voltage exceeds this limit, it can lead to arcing, short circuits, or even catastrophic failures that pose risks to both equipment and human safety.Moreover, the breakdown voltage is not a fixed value; it can change under different conditions. For instance, increasing the temperature of an insulating material often lowers its breakdown voltage. This is why thermal management is crucial in electronic device design. Engineers must ensure that components do not overheat, as this can compromise the insulation and lead to failure.Another important aspect of breakdown voltage is its role in the development of semiconductor devices. In transistors and diodes, the breakdown voltage determines the maximum voltage that can be applied before the device fails. Understanding this characteristic allows engineers to create devices that can operate efficiently within safe voltage limits.Testing for breakdown voltage is also a standard procedure in quality control for electrical components. Manufacturers often perform tests to determine the breakdown voltage of their products to ensure they meet industry standards. These tests help identify potential weaknesses in materials and designs, allowing for improvements before products reach the market.In summary, the concept of breakdown voltage is a fundamental principle in electrical engineering that impacts the design and functionality of various electrical systems and devices. A thorough understanding of breakdown voltage not only aids in the selection of appropriate materials but also enhances the safety and reliability of electrical applications. As technology continues to advance, the importance of understanding and managing breakdown voltage will only increase, making it a vital area of knowledge for future engineers and technologists.

理解击穿电压的概念对于任何参与电气工程或相关领域的人来说都是必不可少的。术语击穿电压指的是导致绝缘体的一部分变得导电的最低电压。简单来说，它是绝缘材料无法再抵抗电流流动的点，从而导致其绝缘性能的失效。这一现象在电子设备、供电系统和电路保护机制的设计与运行中至关重要。击穿电压受多种因素的影响，包括材料类型、温度和杂质的存在。例如，不同材料具有不同的介电强度，这是衡量它们在不导电的情况下承受电场能力的指标。常见的绝缘材料如橡胶、玻璃和陶瓷具有不同的击穿电压，因此工程师在特定应用中选择合适的材料至关重要。在实际应用中，理解击穿电压帮助工程师设计更安全、更可靠的电气系统。例如，在高压输电线路中，绝缘材料必须能够承受最大工作电压，而不达到其击穿电压。如果电压超过这个限制，可能会导致电弧、短路甚至灾难性故障，给设备和人身安全带来风险。此外，击穿电压不是一个固定值；它可以在不同条件下变化。例如，增加绝缘材料的温度通常会降低其击穿电压。这就是为什么热管理在电子设备设计中至关重要。工程师必须确保组件不会过热，因为这可能会破坏绝缘并导致故障。击穿电压的另一个重要方面是在半导体器件开发中的作用。在晶体管和二极管中，击穿电压决定了在设备失效之前可以施加的最大电压。理解这一特性使工程师能够制造在安全电压范围内高效工作的设备。对击穿电压进行测试也是电气组件质量控制的标准程序。制造商通常会进行测试，以确定其产品的击穿电压是否符合行业标准。这些测试有助于识别材料和设计中的潜在弱点，从而在产品上市之前进行改进。总之，击穿电压的概念是电气工程中的基本原理，影响着各种电气系统和设备的设计与功能。深入理解击穿电压不仅有助于选择合适的材料，还增强了电气应用的安全性和可靠性。随着技术的不断进步，理解和管理击穿电压的重要性只会增加，使其成为未来工程师和技术人员必须掌握的重要知识领域。