描述
一、产品概述
ABB RED670是一款高性能的智能电子设备（IED），专为电力系统的线路差动保护、控制与监测设计，属于Relion保护与控制产品系列。它适用于高压架空线路、电缆、变压器馈线等场景，支持多终端配置和复杂网络拓扑，提供高灵敏度的故障检测与快速响应能力。
二、核心功能与特点
差动保护
相位隔离电流差动保护：对高阻性故障灵敏度高，支持最多5个线路终端的相位选择，适用于多终端或复杂网络结构。
充电电流补偿：优化长距离线路或电缆的保护灵敏度。
高阻抗差动保护（PDIF、87X）：适用于三通馈线、双断路器等场景，提升穿越故障稳定性。
通信与扩展性
多协议支持：兼容IEEE C37.94（光纤通信）、IEC 61850-8-1（站总线）、Modbus Plus等协议，支持冗余通信通道。
事件记录与同步：集成干扰记录器，可记录40个模拟信号和96个二进制信号，支持GPS或回声法时间同步。
灵活配置
多断路器布置：支持单断路器或多断路器配置，包括单相、两相或三相跳闸模式。
变压器保护：可纳入双绕组或三绕组电力变压器的保护区域，自动补偿变压器矢量组差异。
后备保护与控制
距离保护：分三区域（PDIS、21），支持负载侵蚀功能，增强高阻故障检测能力。
自动重合闸：支持单相、两相或三相重合闸，可与同步检查功能联动。
三、技术参数
参数类别具体规格
输入通道6路稳定电流输入（支持最多5个终端）
通信接口8个二进制信号通道、多协议支持（C37.94、IEC 61850、Modbus Plus等）
测量精度电流/电压：≤0.25%，功率：≤0.5%（可通过现场校准优化）
环境适应性工作温度：-40°C至+70°C，防护等级IP20（需配合安装环境）
电源输入支持24V DC或115/230V AC（需配置适配模块）
1.Product Overview
ABB RED670 is a high-performance intelligent electronic device(IED)designed for line differential protection,control and monitoring of power systems.It belongs to the Relion protection and control product series.It is suitable for high-voltage overhead lines,cables,transformer feeders and other scenarios.It supports multi-terminal configuration and complex network topology,and provides high-sensitivity fault detection and fast response capabilities.
2.Core functions and features
Differential protection
Phase isolation current differential protection:High sensitivity to high resistance faults,supports phase selection of up to 5 line terminals,suitable for multi-terminal or complex network structures.
Charging current compensation:Optimize the protection sensitivity of long-distance lines or cables.
High impedance differential protection(PDIF,87X):Suitable for scenes such as 3-way feeder,dual circuit breaker,etc.,to improve the stability of cross-traffic faults.
Communication and scalability
Multi-protocol support:compatible with IEEE C37.94(fiber optical communication),IEC 61850-8-1(station bus),Modbus Plus and other protocols,and supports redundant communication channels.
Event Recording and Synchronization:Integrated interference recorder,can record 40 analog signals and 96 binary signals,and supports GPS or echo time synchronization.
Flexible configuration
Multi-circuit breaker layout:Supports single-circuit breaker or multi-circuit breaker configurations,including single-phase,two-phase or three-phase trip modes.
Transformer protection:It can be included in the protection area ofdual-winding or triple-winding power transformers to automatically compensate for the difference in transformer vector group.
Backup protection and control
Distance protection:divided into three areas(PDIS,21),supports load erosion function,and enhances high-resistance fault detection capabilities.
Automatic reclosing gate:supports single-phase,two-phase or three-phase reclosing gates,which can be linked to the synchronization inspection function.
3.Technical parameters
Parameter category Specific specifications
Input channel 6 stable current inputs(support up to 5 terminals)
Communication interface 8 binary signal channels,multi-protocol support(C37.94,IEC 61850,Modbus Plus,etc.)
Measurement accuracy Current/voltage:≤0.25%,power:≤0.5%(can be optimized through field calibration)
Environmental adaptability Operating temperature:-40°C to+70°C,protection level IP20(need to be in accordance with the installation environment)
Power input Supports 24V DC or 115/230V AC(adapter module required)
