selective tripping

简明释义

选择脱扣

英英释义

例句

1.The power system implemented selective tripping to isolate the fault without affecting the entire grid.

电力系统实施了选择性跳闸，以在不影响整个电网的情况下隔离故障。

2.The safety system was designed with selective tripping to enhance operational reliability.

安全系统采用了选择性跳闸设计，以提高操作可靠性。

3.In industrial settings, selective tripping helps protect sensitive equipment from overloads.

在工业环境中，选择性跳闸有助于保护敏感设备免受过载影响。

4.Using selective tripping, we can ensure that only the affected section of the circuit is disconnected.

通过使用选择性跳闸，我们可以确保只有电路受影响的部分被断开。

5.The engineer explained how selective tripping could minimize downtime during maintenance.

工程师解释了如何通过选择性跳闸来最小化维护期间的停机时间。

作文

In the realm of electrical engineering, the concept of selective tripping plays a crucial role in ensuring the safety and reliability of power systems. Selective tripping (选择性跳闸) refers to a protective mechanism that allows only the faulty section of an electrical network to be disconnected, while keeping the rest of the system operational. This is essential for minimizing downtime and maintaining service continuity, especially in critical infrastructure such as hospitals, data centers, and industrial facilities.The importance of selective tripping cannot be overstated. In a typical power distribution system, faults can occur due to various reasons, such as equipment failure, short circuits, or external factors like weather conditions. If a fault occurs, it is imperative to isolate the problem quickly to prevent further damage. However, if the entire system were to trip, it would lead to widespread outages, affecting countless customers and operations.To achieve selective tripping, engineers employ various protective devices, including circuit breakers and relays. These devices are designed to detect anomalies in the electrical current and respond accordingly. For instance, when a fault is detected, the protective relay will analyze the situation and determine whether the fault is localized. If it is, the relay will signal the circuit breaker to trip only the affected section, thereby allowing the rest of the system to remain active.One of the primary benefits of selective tripping is its ability to enhance system reliability. By ensuring that only the necessary parts of the network are disconnected, operators can quickly restore service to unaffected areas, minimizing disruption. This is particularly vital in urban environments where power outages can have significant economic repercussions.Moreover, selective tripping contributes to improved safety. In high-voltage systems, an undetected fault can lead to catastrophic failures, resulting in equipment damage, fires, or even injuries. By isolating faults effectively, selective tripping helps to protect both personnel and equipment from the dangers associated with electrical malfunctions.Additionally, the implementation of selective tripping can lead to cost savings for utility companies. By reducing the frequency and duration of outages, companies can avoid penalties and maintain customer satisfaction. Furthermore, efficient fault isolation can prolong the lifespan of equipment, as it minimizes the stress placed on the system during fault conditions.However, achieving effective selective tripping requires careful planning and coordination among various components of the electrical system. Engineers must consider factors such as the layout of the network, the characteristics of the loads, and the types of protective devices used. Properly setting the parameters for relays and circuit breakers is essential to ensure that they operate correctly under fault conditions.In conclusion, selective tripping (选择性跳闸) is a fundamental aspect of modern electrical systems that enhances safety, reliability, and efficiency. As technology continues to advance, the methods and devices used for selective tripping are likely to evolve, further improving the resilience of power networks. Understanding and implementing this concept is vital for engineers and operators who strive to maintain a stable and secure electrical supply for all users.