selective relay

简明释义

选择继电器

英英释义

例句

1.A well-configured selective relay can enhance the safety of electrical installations by preventing unnecessary outages.

配置良好的选择性继电器可以通过防止不必要的停电来增强电气安装的安全性。

2.In power distribution networks, a selective relay helps isolate faults without disrupting the entire grid.

在电力分配网络中，选择性继电器有助于在不干扰整个电网的情况下隔离故障。

3.The engineer implemented a selective relay to ensure that only specific faults would trigger the alarm system.

工程师实施了一个选择性继电器，以确保只有特定的故障会触发报警系统。

4.Using a selective relay can significantly reduce downtime during maintenance by allowing for targeted repairs.

使用选择性继电器可以通过允许针对性维修显著减少维护期间的停机时间。

5.The selective relay was designed to respond only to overload conditions in the system.

该选择性继电器旨在仅对系统中的过载情况作出响应。

作文

In the realm of electrical engineering and telecommunications, the term selective relay refers to a device that is designed to respond to specific conditions or signals while ignoring others. This concept is crucial for ensuring that systems operate efficiently and safely. A selective relay can be thought of as a sophisticated filter that allows only certain signals to pass through while blocking out noise or irrelevant information. This functionality is particularly important in applications such as power distribution, where it is essential to isolate faults without disrupting the entire system. For instance, if a fault occurs in one section of a power grid, a selective relay will detect this issue and disconnect only the affected segment, thereby maintaining the integrity of the rest of the network.The operation of a selective relay is based on predefined criteria that determine when and how the relay should activate. These criteria may include voltage levels, current thresholds, or frequency variations. By utilizing advanced algorithms and sensors, modern selective relays can make real-time decisions that enhance the reliability of electrical systems. This capability is especially valuable in smart grids, where the ability to manage resources dynamically is paramount.Moreover, the implementation of selective relays contributes to the overall safety of electrical installations. By preventing unnecessary outages and allowing for precise fault isolation, these devices minimize the risk of equipment damage and enhance operational efficiency. In industrial settings, where downtime can result in significant financial losses, the role of a selective relay becomes even more critical.In addition to power systems, selective relays are also utilized in various communication technologies. For example, in telecommunication networks, they help manage data traffic by selectively allowing certain packets to pass through based on their priority or type. This selective transmission ensures that high-priority communications are not delayed by less critical data, thereby optimizing the performance of the network.As technology continues to evolve, the design and functionality of selective relays are also advancing. Innovations such as digital relays are increasingly being adopted, offering enhanced features such as remote monitoring and programmable settings. These advancements not only improve the accuracy and responsiveness of selective relays but also facilitate integration with other smart technologies, paving the way for more automated and efficient systems.In conclusion, the concept of selective relay plays a vital role in both electrical engineering and telecommunications. Its ability to filter signals and respond to specific conditions significantly enhances the reliability, efficiency, and safety of various systems. As industries continue to embrace technological advancements, the importance of selective relays will undoubtedly grow, making them an essential component in the future of energy management and communication networks.

在电气工程和电信领域，短语selective relay指的是一种旨在响应特定条件或信号，同时忽略其他信号的设备。这个概念对于确保系统高效和安全运行至关重要。selective relay可以被视为一种复杂的过滤器，它只允许某些信号通过，同时阻挡噪声或不相关的信息。这种功能在电力分配等应用中尤为重要，在这些应用中，必须在不干扰整个系统的情况下隔离故障。例如，如果电网的某个部分发生故障，selective relay将检测到这个问题并断开仅受影响的部分，从而保持其余网络的完整性。selective relay的操作基于预定义的标准，这些标准决定了继电器何时以及如何激活。这些标准可能包括电压水平、电流阈值或频率变化。通过利用先进的算法和传感器，现代selective relays能够做出实时决策，从而增强电气系统的可靠性。这种能力在智能电网中尤其有价值，因为动态管理资源的能力至关重要。此外，selective relays的实施有助于提高电气安装的整体安全性。通过防止不必要的停电并允许精确的故障隔离，这些设备最小化了设备损坏的风险，并提高了操作效率。在工业环境中，停机时间可能导致显著的财务损失，因此selective relay的作用变得更加关键。除了电力系统，selective relays还广泛应用于各种通信技术。例如，在电信网络中，它们通过根据优先级或类型选择性地允许某些数据包通过来帮助管理数据流量。这种选择性传输确保高优先级的通信不会因较少关键的数据而延迟，从而优化网络的性能。随着技术的不断发展，selective relays的设计和功能也在不断进步。数字继电器等创新产品正越来越多地被采用，提供了远程监控和可编程设置等增强功能。这些进步不仅提高了selective relays的准确性和响应能力，还促进了它们与其他智能技术的集成，为更自动化和高效的系统铺平了道路。总之，selective relay的概念在电气工程和电信中发挥着至关重要的作用。它过滤信号和响应特定条件的能力显著增强了各种系统的可靠性、效率和安全性。随着各行业继续拥抱技术进步，selective relays的重要性无疑会增长，使其成为未来能源管理和通信网络中不可或缺的组成部分。