delay-action circuit breaker

简明释义

延时断路器

英英释义

A delay-action circuit breaker is an electrical device designed to interrupt the flow of current in a circuit after a predetermined delay, allowing temporary overloads to pass without tripping immediately.

延时动作断路器是一种电气设备,旨在在预定的延迟后中断电路中的电流流动,从而允许暂时的过载在不立即跳闸的情况下通过。

例句

1.In industrial settings, a delay-action circuit breaker can help manage the startup currents of heavy machinery.

在工业环境中,延时断路器可以帮助管理重型机械的启动电流。

2.The new design of the electrical panel includes a delay-action circuit breaker to prevent false tripping during short power surges.

新的电气面板设计中包括一个延时断路器,以防止在短时间的电力峰值期间误跳闸。

3.The delay-action circuit breaker is particularly useful in residential areas with frequent voltage fluctuations.

延时断路器在电压波动频繁的住宅区特别有用。

4.The technician recommended installing a delay-action circuit breaker to enhance the safety of the electrical system.

技术员建议安装一个延时断路器以增强电气系统的安全性。

5.To avoid nuisance tripping, we opted for a delay-action circuit breaker in our home theater setup.

为了避免不必要的跳闸,我们在家庭影院设置中选择了一个延时断路器

作文

In today's world, where technology is rapidly advancing, the importance of safety mechanisms in electrical systems cannot be overstated. One such vital component is the delay-action circuit breaker, which plays a crucial role in protecting electrical circuits from overloads and short circuits. Understanding how this device operates and its significance can help in both residential and industrial settings.A delay-action circuit breaker is designed to provide a time delay before it interrupts the electrical circuit. This feature is particularly beneficial in scenarios where temporary surges in current may occur, such as when starting electric motors or during brief fluctuations in power supply. Instead of immediately tripping the circuit, the delay allows for these transient conditions to pass without causing unnecessary interruptions. This not only enhances the reliability of the electrical system but also reduces wear and tear on electrical components.The mechanism of a delay-action circuit breaker typically involves a thermal or electronic delay element. When an overload occurs, the device monitors the current flow. If the current exceeds the preset limit, the breaker does not trip instantly. Instead, it waits for a predetermined period, allowing any temporary spikes to stabilize. Once the delay period elapses, if the overload condition persists, the breaker will then trip, cutting off the power supply to prevent damage.This functionality is particularly useful in industrial applications where machinery often experiences high inrush currents during startup. For instance, large motors may draw several times their normal operating current for a brief moment. If a standard circuit breaker were employed, it might trip unnecessarily, leading to production delays and increased downtime. However, with a delay-action circuit breaker, the system can accommodate these temporary surges without compromising safety.Moreover, the use of a delay-action circuit breaker can lead to cost savings in maintenance and repair. By preventing unnecessary tripping, facilities can reduce the frequency of service calls and minimize the risk of equipment damage. This is especially critical in environments where machinery is expensive and downtime can result in significant financial losses.In addition to industrial uses, delay-action circuit breakers are also beneficial in residential settings. Homeowners may experience situations where appliances like refrigerators or air conditioners draw higher currents upon startup. A delay-action breaker can help ensure that these appliances operate smoothly without tripping the circuit, thereby maintaining a steady power supply.It is essential for electricians and engineers to understand the specifications and settings of delay-action circuit breakers to ensure they are appropriately applied in various scenarios. Factors such as the duration of the delay and the current threshold must be tailored to suit the specific needs of the electrical system in question.In conclusion, the delay-action circuit breaker serves as a critical protective device in modern electrical systems. Its ability to delay tripping during temporary overloads enhances the reliability and efficiency of electrical circuits, making it indispensable in both industrial and residential applications. As technology continues to evolve, understanding and utilizing devices like the delay-action circuit breaker will be essential for ensuring safety and operational continuity in our increasingly electrified world.

在当今技术迅速发展的世界中,电气系统中安全机制的重要性不容低估。其中一个至关重要的组成部分是延时动作断路器,它在保护电路免受过载和短路方面发挥着关键作用。理解该设备的工作原理及其重要性可以帮助我们在住宅和工业环境中更好地使用。延时动作断路器旨在提供在中断电路之前的延迟。这一特性在电流可能出现暂时性激增的情况下尤其有益,例如启动电动机或在电源供应短暂波动期间。它不会立即跳闸,而是允许这些瞬态条件通过,从而避免不必要的中断。这不仅提高了电气系统的可靠性,还减少了电气元件的磨损。延时动作断路器的机制通常涉及热延迟或电子延迟元件。当发生过载时,设备会监测电流流动。如果电流超过预设限制,断路器不会立即跳闸。相反,它会等待预定的时间段,允许任何临时尖峰稳定下来。一旦延迟期结束,如果过载条件仍然存在,断路器将跳闸,切断电源以防止损坏。这种功能在工业应用中尤为重要,因为机械设备在启动时经常会经历高冲击电流。例如,大型电动机在启动时可能会抽取几倍于正常工作电流的电量。如果使用标准断路器,可能会不必要地跳闸,从而导致生产延误和增加停机时间。然而,使用延时动作断路器,系统可以容纳这些暂时的激增,而不影响安全。此外,使用延时动作断路器还可以节省维护和修理成本。通过防止不必要的跳闸,设施可以减少服务电话的频率,并降低设备损坏的风险。这在设备昂贵且停机时间可能导致重大财务损失的环境中尤为重要。除了工业用途,延时动作断路器在住宅环境中也很有用。房主可能会遇到像冰箱或空调这样的电器在启动时会抽取更高电流的情况。延时动作断路器可以确保这些电器顺利运行而不会跳闸,从而维持稳定的电力供应。对于电工和工程师来说,理解延时动作断路器的规格和设置至关重要,以确保在各种情况下正确应用。延迟的持续时间和电流阈值等因素必须根据特定电气系统的需求进行调整。总之,延时动作断路器作为现代电气系统中的关键保护设备,其在暂时过载情况下的延迟跳闸能力增强了电路的可靠性和效率,使其在工业和住宅应用中不可或缺。随着技术的不断发展,理解和利用像延时动作断路器这样的设备将对确保我们日益电气化世界的安全和操作连续性至关重要。

相关单词

circuit

circuit详解:怎么读、什么意思、用法

breaker

breaker详解:怎么读、什么意思、用法