REB670 智能微机保护装置 实现母线保护和断路器失灵跳闸的选择性

☆型号：REB670    智能微机保护装置      实现母线保护和断路器失灵跳闸的选择性  

【产品详情】

REB670是ABB公司推出的一款智能微机保护装置，属于Relion® 670系列产品。它在电力系统保护领域具有广泛的应用，尤其在变电站、电力配电系统、发电机和线路保护等方面发挥着重要作用。

REB670的设计灵活，专为电力系统母线、T接线路和支接线路的保护和监视而设计。它的可扩展输入/输出硬件模块使得它能够满足各种复杂的接线形式下的母差保护需求，包括单母线、双母线带或不带旁母的接线，双断路器接线及一个半断路器接线等。

这款装置具有完整的母线保护功能，包括差动保护功能。它的动态区域自动选择功能使得CT能够动态连接至不同的母线保护区，同时实现母线保护和断路器失灵跳闸的选择性，以及隔离开关与断路器的状态监视等功能。

REB670在保护设备和人员安全方面表现出色。它能够在各种电力故障情况下及时动作，保护变电站设备、变压器、电缆、发电机和输电线路等免受损坏。其独特的测量原理使得它对主CT的要求相对较低，与其他数字式差动保护装置相比具有更高的性价比。

此外，REB670还提供了丰富的用户指南和说明书，方便用户进行安装、配置和维护。用户可以根据实际需求进行定制化的设置，以满足不同应用场景的需求。

总的来说，REB670是一款功能强大、性能卓越的智能微机保护装置，能够满足电力系统保护领域的多种需求。无论是新建项目还是现有系统的升级改造，它都是一个值得考虑的优秀选择。

【英文介绍】

REB670 is an intelligent microcomputer protection device from ABB, part of the Relion® 670 family of products. It has a wide range of applications in the field of power system protection, especially in substations, power distribution systems, generators and line protection plays an important role.

The REB670 is a flexible design designed for the protection and monitoring of power system busbars, T-connections and branch lines. Its expandable input/output hardware module enables it to meet the needs of a variety of complex wiring forms, including single bus, double bus tape or no side bus connection, double circuit breaker connection and half circuit breaker connection.

This device has full busbar protection, including differential protection. Its dynamic zone automatic selection function enables CT to dynamically connect to different busbar protection areas, and realize busbar protection and circuit breaker failure trip selectivity, as well as isolation switch and circuit breaker status monitoring and other functions.

REB670 does an excellent job of protecting equipment and people. It can act in a timely manner in a variety of power failure situations, protecting substation equipment, transformers, cables, generators and transmission lines from damage. Its unique measurement principle makes it relatively low requirements for master CT, and has a higher cost performance compared with other digital differential protection devices.

In addition, REB670 comes with extensive user guides and manuals for easy installation, configuration, and maintenance. Users can customize the Settings based on actual requirements to meet the requirements of different application scenarios.

Overall, the REB670 is a powerful, high-performance intelligent microcomputer protection device that can meet the needs of the field of power system protection. Whether it is a new construction project or an upgrade of an existing system, it is an excellent choice to consider.

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