dielectric breakdown voltage

简明释义

电介质哗电压

英英释义

例句

1.The dielectric breakdown voltage (介电击穿电压) of air is approximately 3 million volts per meter.

空气的介电击穿电压 (介电击穿电压)大约是每米300万伏特。

2.Engineers must consider the dielectric breakdown voltage (介电击穿电压) when designing electrical circuits.

工程师在设计电路时必须考虑介电击穿电压 (介电击穿电压)。

3.The testing equipment is calibrated to measure the dielectric breakdown voltage (介电击穿电压) of various materials.

测试设备经过校准，以测量各种材料的介电击穿电压 (介电击穿电压)。

4.The insulation material must withstand the dielectric breakdown voltage (介电击穿电压) to ensure safety in high-voltage applications.

绝缘材料必须承受介电击穿电压 (介电击穿电压)以确保高压应用的安全性。

5.In testing, we found that the capacitor exceeded its dielectric breakdown voltage (介电击穿电压), leading to failure.

在测试中，我们发现电容器超过了其介电击穿电压 (介电击穿电压)，导致失败。

作文

Understanding the concept of dielectric breakdown voltage is essential in the fields of electrical engineering and materials science. This term refers to the minimum voltage that causes a portion of an insulator to become electrically conductive. When a dielectric material, such as rubber or glass, is subjected to a sufficiently high voltage, it can no longer maintain its insulating properties and begins to conduct electricity. This phenomenon is known as dielectric breakdown. The dielectric breakdown voltage is a critical parameter that determines the reliability and safety of electrical devices. In practical applications, the dielectric breakdown voltage is crucial for designing components like capacitors, transformers, and insulators. Engineers must ensure that the materials used in these components can withstand the expected voltages without breaking down. For instance, in power transmission lines, the insulation must have a high dielectric breakdown voltage to prevent failures that could lead to power outages or even catastrophic accidents. The factors influencing the dielectric breakdown voltage include the type of material, temperature, humidity, and the presence of impurities. Different materials exhibit varying breakdown voltages; for example, air has a lower breakdown voltage compared to solid insulators like silicone. Therefore, understanding the properties of different dielectrics is vital for engineers when selecting materials for specific applications. Moreover, testing the dielectric breakdown voltage of materials is a standard procedure in laboratories. This testing involves applying a gradually increasing voltage until the material fails. The voltage at which the breakdown occurs is recorded and used to evaluate the material’s suitability for various applications. This process is essential not just for new materials but also for existing components that may degrade over time due to environmental factors or wear and tear. In recent years, advancements in nanotechnology have led to the development of new dielectric materials with enhanced properties. These materials often display higher dielectric breakdown voltages, making them ideal for high-performance applications such as electric vehicles and renewable energy systems. As technology progresses, the demand for materials with superior insulating properties continues to grow, further emphasizing the importance of understanding dielectric breakdown voltage. In conclusion, the dielectric breakdown voltage is a fundamental concept that plays a significant role in electrical engineering and material sciences. It impacts the design and functionality of various electrical devices and systems. By comprehensively understanding this concept, engineers can make informed decisions about material selection and device design, ensuring safety and reliability in electrical applications. As technology evolves, so too will the materials we use, and a firm grasp of dielectric breakdown voltage will remain crucial for innovation in the field.

理解介电击穿电压的概念在电气工程和材料科学领域至关重要。这个术语指的是使绝缘体的一部分变得电导的最小电压。当介电材料（如橡胶或玻璃）受到足够高的电压时，它将无法保持其绝缘特性，并开始导电。这种现象被称为介电击穿。介电击穿电压是决定电气设备可靠性和安全性的关键参数。在实际应用中，介电击穿电压对设计电容器、变压器和绝缘体等组件至关重要。工程师必须确保这些组件中使用的材料能够承受预期的电压而不会发生击穿。例如，在电力传输线路中，绝缘层必须具有高的介电击穿电压，以防止可能导致停电甚至灾难性事故的故障。影响介电击穿电压的因素包括材料类型、温度、湿度和杂质的存在。不同的材料表现出不同的击穿电压；例如，空气的击穿电压低于硅胶等固体绝缘体。因此，工程师在选择特定应用的材料时，了解不同介电材料的特性至关重要。此外，测试材料的介电击穿电压是实验室中的标准程序。该测试涉及逐渐施加电压，直到材料失效。记录下击穿发生时的电压，并用来评估材料在各种应用中的适用性。这个过程不仅对新材料至关重要，对于由于环境因素或磨损而可能退化的现有组件也同样重要。近年来，纳米技术的进步促使新型介电材料的开发，这些材料具有增强的特性。这些材料通常显示出更高的介电击穿电压，使其成为电动汽车和可再生能源系统等高性能应用的理想选择。随着技术的发展，对具有优越绝缘特性的材料的需求不断增长，这进一步强调了理解介电击穿电压的重要性。总之，介电击穿电压是一个基本概念，在电气工程和材料科学中发挥着重要作用。它影响各种电气设备和系统的设计和功能。通过全面理解这一概念，工程师可以就材料选择和设备设计做出明智的决策，从而确保电气应用的安全性和可靠性。随着技术的进步，我们使用的材料也将不断演变，而对介电击穿电压的深入理解将继续是该领域创新的关键。