flash-over voltage

简明释义

闪络电压

英英释义

例句

1.Engineers often refer to the flash-over voltage 击穿电压 when designing circuit breakers.

工程师在设计断路器时经常参考击穿电压。

2.The insulation of the transformer must withstand a flash-over voltage 击穿电压 to ensure safety.

变压器的绝缘材料必须承受击穿电压以确保安全。

3.The flash-over voltage 击穿电压 of air varies with pressure and temperature.

空气的击穿电压因压力和温度而异。

4.During testing, we measured the flash-over voltage 击穿电压 to determine the quality of the insulation.

在测试过程中，我们测量了击穿电压以确定绝缘材料的质量。

5.A high flash-over voltage 击穿电压 can indicate potential failure in electrical equipment.

高击穿电压可能表明电气设备存在潜在故障。

作文

Understanding electrical concepts is crucial for anyone involved in engineering or technology. One important term that often comes up in discussions of electrical insulation and safety is flash-over voltage. This term refers to the minimum voltage that causes a dielectric breakdown of air, resulting in an arc or spark between two conductive materials. In simple terms, it is the voltage level at which electricity can jump through the air, creating a dangerous situation. 闪络电压是指导致空气绝缘击穿的最小电压，这会在两个导电材料之间产生电弧或火花。 Flash-over voltage is a critical parameter in designing electrical equipment, especially in high-voltage systems. Engineers must ensure that the components they design can withstand voltages below this threshold to prevent accidental discharges that could lead to equipment failure or fires. For instance, when designing insulators for power lines, engineers conduct tests to determine the flash-over voltage of the insulator material. By doing so, they can select materials and designs that provide adequate safety margins against unexpected surges in voltage. Moreover, understanding flash-over voltage is essential for maintaining safety standards in various industries. In the power generation and distribution sectors, operators must regularly inspect and test equipment to ensure that it functions safely under normal operating conditions. If a piece of equipment were to exceed its flash-over voltage rating, it could lead to catastrophic failures, including explosions or fires. Therefore, knowledge of this concept is vital for preventing accidents and ensuring the reliability of electrical systems. In addition to its importance in industrial applications, flash-over voltage also plays a significant role in consumer electronics. Devices such as smartphones, laptops, and televisions are designed with specific voltage ratings to ensure safe operation. When these devices are exposed to voltages higher than their flash-over voltage, they may suffer from internal damage, leading to malfunctions or complete failure. This is why manufacturers often include protective features, such as fuses or surge protectors, to safeguard their products against voltage spikes. Furthermore, environmental factors can influence flash-over voltage. For instance, humidity, temperature, and altitude can all affect the dielectric strength of air. In high-altitude locations, the flash-over voltage may be lower due to reduced air pressure, which means that electrical equipment must be designed with these conditions in mind. Similarly, during storms or in humid environments, the risk of flash-over increases, necessitating additional precautions for electrical installations. In conclusion, understanding flash-over voltage is essential for anyone working with electrical systems. It is a key factor in the design, maintenance, and safety of electrical equipment, influencing everything from power lines to consumer electronics. By ensuring that systems operate well below their flash-over voltage thresholds, engineers and technicians can help prevent accidents and ensure the longevity of electrical devices. As technology continues to advance, the importance of mastering concepts like flash-over voltage will only grow, highlighting the need for continuous education and awareness in the field of electrical engineering.

理解电气概念对于任何从事工程或技术工作的人来说都是至关重要的。一个在讨论电气绝缘和安全时经常出现的重要术语是闪络电压。这个术语指的是导致空气介质击穿的最小电压，从而在两个导电材料之间产生电弧或火花。简单来说，它是电流能够通过空气跳跃的电压水平，创造出一种危险的情况。闪络电压是指导致空气绝缘击穿的最小电压，这会在两个导电材料之间产生电弧或火花。闪络电压是设计电气设备时的一个关键参数，尤其是在高压系统中。工程师必须确保他们设计的组件能够承受低于这个阈值的电压，以防止意外放电导致设备故障或火灾。例如，在为电力线路设计绝缘体时，工程师会进行测试，以确定绝缘材料的闪络电压。通过这样做，他们可以选择提供足够安全裕度的材料和设计，以抵御意外电压激增。此外，理解闪络电压对于维护各行业的安全标准至关重要。在发电和配电部门，操作员必须定期检查和测试设备，以确保其在正常操作条件下安全运行。如果某个设备超过了其闪络电压额定值，可能会导致灾难性故障，包括爆炸或火灾。因此，了解这一概念对于防止事故和确保电气系统的可靠性至关重要。除了在工业应用中的重要性外，闪络电压在消费电子产品中也发挥着重要作用。智能手机、笔记本电脑和电视等设备被设计为具有特定的电压额定值，以确保安全操作。当这些设备暴露于高于其闪络电压的电压时，可能会遭受内部损坏，导致故障或完全失效。这就是制造商通常会包括保护功能（例如保险丝或浪涌保护器）来保护其产品免受电压尖峰影响的原因。此外，环境因素也会影响闪络电压。例如，湿度、温度和海拔高度都可能影响空气的介电强度。在高海拔地区，由于空气压力降低，闪络电压可能较低，这意味着电气设备的设计必须考虑这些条件。同样，在暴风雨或潮湿环境中，闪络的风险增加，因此电气安装需要额外的预防措施。总之，理解闪络电压对于任何与电气系统工作的人来说都是必不可少的。它是电气设备设计、维护和安全的关键因素，影响从电力线路到消费电子产品的方方面面。通过确保系统在其闪络电压阈值以下运行，工程师和技术人员可以帮助防止事故并确保电气设备的使用寿命。随着技术的不断进步，掌握像闪络电压这样的概念的重要性只会增加，突显出在电气工程领域持续教育和意识的必要性。