inverse-time thermo-overcurrent trip

简明释义

反时限热过电流脱扣

英英释义

An inverse-time thermo-overcurrent trip is a protective device in electrical systems that disconnects the circuit when the current exceeds a predetermined level, with the disconnection time inversely related to the magnitude of the overcurrent. This means that higher currents lead to faster disconnection to prevent damage.

逆时间热过电流跳闸是一种电气系统中的保护装置,当电流超过预定水平时,会断开电路,断开的时间与过电流的大小成反比。这意味着较高的电流会导致更快的断开,以防止损坏。

例句

1.In industrial settings, an inverse-time thermo-overcurrent trip can help prevent damage to motors during startup.

在工业环境中,反时热过流跳闸可以帮助防止电动机在启动时损坏。

2.The circuit breaker is designed with an inverse-time thermo-overcurrent trip feature to protect the system from overloads.

该断路器设计了一个反时热过流跳闸功能,以保护系统免受过载。

3.The inverse-time thermo-overcurrent trip mechanism allows for a delayed response, which is crucial for handling temporary surges.

反时热过流跳闸机制允许延迟响应,这对于处理临时浪涌至关重要。

4.When selecting a protective relay, consider one with an inverse-time thermo-overcurrent trip for better response to overload conditions.

在选择保护继电器时,考虑采用带有反时热过流跳闸的设备,以更好地应对过载情况。

5.Our new transformer is equipped with an inverse-time thermo-overcurrent trip to enhance safety during operation.

我们的新变压器配备了反时热过流跳闸装置,以增强运行安全性。

作文

In the realm of electrical engineering, safety and reliability are paramount. One critical aspect of ensuring these factors is the use of protective devices that prevent damage to electrical systems. Among these devices, the concept of inverse-time thermo-overcurrent trip plays a vital role. This term refers to a specific type of protection mechanism that monitors electrical currents and responds accordingly to prevent overheating and potential failures. Understanding how this system operates can help engineers design safer and more efficient electrical networks.The inverse-time thermo-overcurrent trip is designed to detect excessive current flow in electrical circuits. Unlike traditional overcurrent protection devices that operate on a fixed time delay, this technology employs a unique approach where the response time decreases as the level of overcurrent increases. This means that in the event of a fault, the device will trip faster if the current exceeds a certain threshold significantly. This characteristic is essential because it allows for a more dynamic response to varying levels of current, thereby providing enhanced protection for both equipment and personnel.The operation of an inverse-time thermo-overcurrent trip relies on thermal principles. The device typically contains a bimetallic element that bends when heated by excessive current. The degree to which the element bends is proportional to the amount of heat generated by the current flowing through it. If the current remains at a high level for an extended period, the bimetallic strip will eventually bend enough to activate the trip mechanism, interrupting the circuit and preventing further damage.One of the significant advantages of using an inverse-time thermo-overcurrent trip is its ability to discriminate between temporary overloads and sustained faults. For instance, during startup conditions, electric motors may draw high inrush currents that could mistakenly trigger a standard overcurrent relay. However, the inverse-time characteristic allows the device to tolerate these temporary spikes without tripping, thus ensuring normal operation while still providing protection against genuine faults.Moreover, the inverse-time thermo-overcurrent trip can be adjusted to suit specific applications. Engineers can modify the settings based on the characteristics of the load being protected. For example, in industrial settings where machinery may have different operational profiles, customizing the trip settings can lead to improved reliability and efficiency. This adaptability makes it a preferred choice among professionals in the field.In summary, the inverse-time thermo-overcurrent trip is a sophisticated protective device that plays a crucial role in modern electrical systems. Its unique ability to respond dynamically to changing current levels ensures that equipment is safeguarded against damage caused by overheating and overcurrent conditions. By understanding the principles behind this technology, engineers can design better protection schemes that enhance the safety and reliability of electrical installations. As we continue to advance in technology, the importance of such protective measures cannot be overstated, making the inverse-time thermo-overcurrent trip an essential component of electrical engineering.

在电气工程领域,安全性和可靠性是至关重要的。确保这些因素的一个关键方面是使用保护设备,以防止电气系统的损坏。在这些设备中,反时限热过流跳闸的概念发挥着重要作用。这个术语指的是一种特定类型的保护机制,它监测电流并相应地做出反应,以防止过热和潜在的故障。理解该系统的操作可以帮助工程师设计更安全、更高效的电气网络。反时限热过流跳闸旨在检测电路中的过量电流流动。与传统的固定时间延迟过流保护设备不同,这项技术采用了一种独特的方法,其中响应时间随着过流水平的增加而减少。这意味着在发生故障时,如果电流显著超过某个阈值,设备将更快地跳闸。这一特性至关重要,因为它允许对不同电流水平做出更动态的响应,从而为设备和人员提供增强的保护。反时限热过流跳闸的工作原理依赖于热原理。该设备通常包含一个双金属元件,当由于过量电流而加热时,该元件会弯曲。元件弯曲的程度与通过它流动的电流产生的热量成正比。如果电流在较长时间内保持在高水平,双金属条最终会弯曲到足以激活跳闸机制,从而中断电路,防止进一步损坏。使用反时限热过流跳闸的一个显著优势是其能够区分暂时性过载和持续性故障。例如,在启动条件下,电动机可能会吸引高峰值电流,这可能错误地触发标准过流继电器。然而,反时限特性允许设备容忍这些暂时性尖峰,而不跳闸,从而确保正常运行,同时仍然提供对真正故障的保护。此外,反时限热过流跳闸可以根据具体应用进行调整。工程师可以根据被保护负载的特性修改设置。例如,在工业环境中,机器可能具有不同的操作特征,定制跳闸设置可以提高可靠性和效率。这种适应性使其成为该领域专业人士的首选。总之,反时限热过流跳闸是一种复杂的保护设备,在现代电气系统中发挥着至关重要的作用。其对变化电流水平做出动态响应的独特能力确保了设备免受过热和过流条件造成的损害。通过理解这一技术背后的原理,工程师可以设计更好的保护方案,提高电气安装的安全性和可靠性。随着我们在技术上的不断进步,这种保护措施的重要性不容小觑,使得反时限热过流跳闸成为电气工程的一个重要组成部分。