selective relay

简明释义

选择继电器

英英释义

A selective relay is an electrical device that operates to isolate a fault in a power system by detecting specific conditions and only responding to those conditions, thereby minimizing the impact on the rest of the system.

选择性继电器是一种电气设备,通过检测特定条件并仅对这些条件作出反应来隔离电力系统中的故障,从而最小化对系统其余部分的影响。

例句

1.Using a selective relay can significantly reduce downtime during maintenance.

使用选择性继电器可以显著减少维护期间的停机时间。

2.In power distribution, a selective relay helps in isolating faults without affecting the entire network.

在电力分配中,选择性继电器有助于在不影响整个网络的情况下隔离故障。

3.The engineers installed a selective relay to improve the reliability of the electrical system.

工程师们安装了一个选择性继电器,以提高电气系统的可靠性。

4.The selective relay in the substation is crucial for protecting transformers from overload.

变电站中的选择性继电器对于保护变压器免受过载至关重要。

5.The system uses a selective relay to ensure that only the affected section of the circuit is disconnected during a fault.

该系统使用选择性继电器,确保在故障发生时只有受影响的电路部分被断开。

作文

In the realm of communication systems, the concept of selective relay plays a significant role in enhancing the efficiency and effectiveness of data transmission. A selective relay (选择性中继) is a mechanism that allows for the forwarding of specific signals while filtering out others. This technique is particularly useful in environments where bandwidth is limited or where interference is prevalent. By employing a selective relay, systems can prioritize important information, ensuring that critical messages are delivered without unnecessary delays.One of the primary advantages of using a selective relay is its ability to reduce congestion in communication networks. In a typical scenario, numerous signals may be transmitted simultaneously, leading to potential collisions and loss of data. However, with the implementation of a selective relay, only the most relevant signals are allowed through, which minimizes the risk of data loss and improves overall network performance. This is particularly crucial in applications such as emergency services, where timely communication can be a matter of life and death.Moreover, the use of selective relay can enhance security within communication systems. By controlling which signals are relayed, systems can prevent unauthorized access and ensure that sensitive information remains protected. For instance, in military communications, a selective relay can be employed to transmit only classified information while blocking any unclassified or potentially harmful signals. This selective approach not only safeguards critical data but also streamlines operations by focusing resources on the most pertinent communications.The technological advancements in radio frequency and digital communication have further propelled the development of selective relay systems. Modern algorithms enable these relays to make real-time decisions about which signals to forward based on predefined criteria. This capability allows for dynamic adjustments, ensuring that the most relevant information is prioritized at any given moment. As a result, industries ranging from telecommunications to transportation are increasingly adopting selective relay technologies to improve their operational efficiency.In conclusion, the concept of selective relay is integral to modern communication systems. Its ability to filter and prioritize signals not only enhances the efficiency of data transmission but also contributes to the security and reliability of communications. As we continue to advance technologically, the importance of selective relay will only grow, making it a critical area of study for engineers and communication specialists alike. Embracing this technology can lead to more robust and resilient communication networks, ultimately benefiting society as a whole.

在通信系统领域,选择性中继的概念在提高数据传输的效率和有效性方面发挥着重要作用。选择性中继selective relay)是一种机制,允许转发特定信号,同时过滤掉其他信号。这种技术在带宽有限或干扰严重的环境中特别有用。通过采用选择性中继,系统可以优先处理重要信息,确保关键消息不被延误。使用选择性中继的主要优点之一是能够减少通信网络中的拥塞。在典型场景中,可能会同时传输大量信号,导致潜在的碰撞和数据丢失。然而,通过实施选择性中继,只有最相关的信号被允许通过,从而降低了数据丢失的风险并提高了整体网络性能。这在紧急服务等应用中尤为重要,因为及时的沟通可能关乎生死。此外,使用选择性中继还可以增强通信系统的安全性。通过控制哪些信号被中继,系统可以防止未经授权的访问,确保敏感信息保持受保护。例如,在军事通信中,可以使用选择性中继仅传输机密信息,同时阻止任何未分类或潜在有害的信号。这种选择性的方法不仅保护了关键数据,还通过将资源集中在最相关的通信上来简化操作。在射频和数字通信的技术进步进一步推动了选择性中继系统的发展。现代算法使这些中继能够根据预定义的标准实时决策,决定哪些信号被转发。这种能力允许动态调整,确保在任何给定时刻优先处理最相关的信息。因此,从电信到运输等各个行业都越来越多地采用选择性中继技术,以提高其运营效率。总之,选择性中继的概念对于现代通信系统至关重要。它过滤和优先处理信号的能力不仅提高了数据传输的效率,还为通信的安全性和可靠性做出了贡献。随着我们在技术上的不断进步,选择性中继的重要性只会增加,使其成为工程师和通信专家研究的关键领域。采用这一技术可以导致更强大和更具韧性的通信网络,最终使整个社会受益。

相关单词

selective

selective详解:怎么读、什么意思、用法

relay

relay详解:怎么读、什么意思、用法