描述
产品概述
ABB REJ601 BD446NN1XG是一款数字继电器，属于ABB Relion®产品系列的605系列，专为配电网络设计。它集成了保护、监测和控制功能，适用于一次和二次配电网络中的公用变电站和工业电力系统，尤其在架空线路、电缆馈线及配电变压器的浪涌电流稳定场景中表现突出。
技术参数
保护功能
过电流保护：三级分级保护，适应不同故障等级。
接地故障保护：两级保护，支持CBCT内部或外部接地电流测量。
相位不连续保护：检测相位异常，防止设备损坏。
负序过流保护：应对非对称故障。
热过载保护：基于电流和温度的综合监测。
断路器故障保护：防止断路器拒动或误动。
通信协议
支持Modbus RTU和IEC 60870-5-103协议，实现远程监控与数据交互。
电源与接口
电源范围：通用电源24-265 V AC/DC，适应宽电压环境。
输入/输出接口：
标准1A或5A CT输入，支持相电流测量。
备用传感器输入扩展功能。
Rogowski电流传感器模拟接口变体（灵活配置）。
硬件设计
安装方式：压配合安装，提升安全性与可靠性。
防护性能：IP20防护等级（室内环境适用）。
自检功能：硬件和软件双重自检，确保设备稳定运行。
核心功能特点
高可用性与灵活性
本地与远程控制：支持断路器本地操作及远程控制，适配复杂配电网络需求。
事件记录：存储100条带时间戳的事件记录，便于故障追溯。
模拟故障记录：提供五种模拟故障数据，辅助诊断分析。
智能监控与配置
在线电流测量：实时监测一次值电流，支持动态调整保护参数。
用户可选频率：兼容50 Hz或60 Hz电网系统。
二进制输入/输出配置：可自定义报警LED指示灯及控制信号。
安全与扩展性
锁定功能：防止误操作导致的保护逻辑变更。
不可复位跳闸计数器：记录跳闸次数，用于设备健康评估。
通信冗余：支持Profibus PA总线，需在启动前配置地址。
REJ601 BD446NN1XG
REJ601 BD446NN1XG
Product Overview
ABB REJ601 BD446NN1XG is a digital relay belonging to the 605 series of ABB Relion®product range,designed for power distribution networks.It integrates protection,monitoring and control functions and is suitable for public substations and industrial power systems in primary and secondary distribution networks,especially in surge current stability scenarios of overhead lines,cable feeders and distribution transformers.
Technical parameters
Protection function
Overcurrent protection:three-level graded protection,adapted to different fault levels.
Ground fault protection:Two-stage protection,supporting internal or external ground current measurement of CBCT.
Phase discontinuous protection:detect phase abnormalities to prevent equipment damage.
Negative sequence overcurrent protection:deal with asymmetric faults.
Thermal overload protection:Comprehensive monitoring based on current and temperature.
Circuit breaker fault protection:prevents the circuit breaker from refusing or mismoving.
Communication Protocol
Supports Modbus RTU and IEC 60870-5-103 protocols to realize remote monitoring and data interaction.
Power supply and interface
Power range:General power supply 24-265 V AC/DC,adapted to wide voltage environments.
Input/output interface:
Standard 1A or 5A CT input,supporting phase current measurement.
Alternate sensor input extension function.
Rogowski Current Sensor Analog Interface Variable(Flexible Configuration).
Hardware design
Installation method:Press-fit installation to improve safety and reliability.
Protection performance:IP20 protection level(for indoor environment).
Self-test function:dual self-test of hardware and software to ensure stable operation of the equipment.
Core functional features
High availability and flexibility
Local and remote control:supports local operation and remote control of circuit breakers,adapting to complex distribution network needs.
Event Record:Stores 100 timestamped event records for easy fault traceability.
Analog fault record:Provides five analog fault data to assist in diagnostic analysis.
Intelligent monitoring and configuration
Online current measurement:monitor the primary current in real time and supports dynamic adjustment of protection parameters.
User-selectable frequency:compatible with 50 Hz or 60 Hz grid systems.
Binary input/output configuration:Customizable alarm LED indicators and control signals.
Security and scalability
Locking function:prevents protection logic changes caused by misoperation.
Non-reset trip counter:record the number of trips for equipment health assessment.
Communication redundancy:Supports Profibus PA bus and needs to configure the address before starting.
