描述
一、产品概述
型号:REF543KB127AAAA
系列:ABB Relion®REF543+
核心定位:
集成保护、控制、测量、监视和通信功能于一体,适用于中压电机、馈线和变压器的综合自动化解决方案。
支持IEC 61850标准,可无缝接入智能电网和工业自动化系统。
典型应用场景:
石油化工、钢铁、造纸、水泥等行业的中压电机驱动系统。
发电厂、变电站的馈线保护。
工业配电系统的变压器保护。
二、硬件规格
1.保护功能
电机保护:
启动超时保护:监测电机启动时间,防止长时间堵转。
热过载保护:基于IEC 60255-8标准,动态计算电机热容量,防止过热损坏。
负序保护:检测不对称故障(如断相、相间短路),保护电机绕组。
堵转保护:通过电流-时间特性曲线快速切断故障。
接地故障保护:支持高阻接地系统检测(灵敏度可调至0.1A)。
馈线保护:
过电流保护:速断、定时限、反时限特性可选。
方向性过流保护:区分故障方向,适用于环网供电。
零序电流保护:检测单相接地故障。
变压器保护:
差动保护(需配置外部CT):快速切除变压器内部短路。
过励磁保护:监测电压/频率比(V/Hz),防止铁芯饱和。
2.测量功能
电气参数监测:
三相电压、电流有效值(精度±0.2%)。
有功功率、无功功率、功率因数(精度±0.5%)。
频率(精度±0.01Hz)、电能计量(kWh/kVarh)。
谐波分析:
监测2-50次谐波含量,支持THD(总谐波畸变率)计算。
3.输入/输出(I/O)配置
数字输入(DI):
12路可编程DI,支持24V DC或110V DC/AC(无源触点)。
典型用途:断路器位置、手车位置、保护动作信号等。
数字输出(DO):
8路可编程DO,额定250V DC/125V AC,5A(继电器触点)。
典型用途:跳闸、合闸、报警、信号复归等。
模拟输入(AI):
4路可编程AI,支持0-20mA/4-20mA或0-10V信号。
典型用途:温度、压力、流量等非电气量监测。
模拟输出(AO):
2路可编程AO,输出0-20mA/4-20mA信号。
典型用途:有功功率、电流等参数远传。
4.通信接口
以太网接口:
2个RJ45端口,支持10/100Mbps速率。
协议:IEC 61850-8-1(GOOSE、MMS)、Modbus TCP、DNP3.0、IEC 60870-5-104。
串行接口:
1个RS-485端口,支持Modbus RTU或IEC 60870-5-103协议。
光纤接口(可选):
支持ST或LC连接器,用于长距离通信或电磁干扰严重环境。
5.人机界面(HMI)
显示屏:
3.5英寸彩色TFT液晶屏,分辨率320×240。
支持中文、英文等多语言菜单。
按键:
6个功能键(F1-F6)和导航键(上下左右确认),用于本地操作和参数设置。
6.机械与电气参数
尺寸(宽×高×深):
144mm×177mm×270mm(符合IEC 60297-3标准,3U机架式安装)。
重量:
约3.5kg(含附件)。
电源:
交流供电:85-265V AC,47-63Hz。
直流供电:110-300V DC。
功耗:≤25W(典型值)。
1.Product Overview
Model:REF543KB127AAAA
Series:ABB Relion®REF543+
Core Positioning:
Integrated protection,control,measurement,monitoring and communication functions in one,suitable for comprehensive automation solutions for medium-voltage motors,feeders and transformers.
Supports IEC 61850 standard,seamless access to smart grids and industrial automation systems.
Typical application scenarios:
Medium-voltage motor drive systems in petrochemical,steel,papermaking,cement and other industries.
Feeder protection for power plants and substations.
Transformer protection for industrial power distribution systems.
2.Hardware Specifications
1.Protection Functions
Motor Protection:
Start Timeout Protection:Monitors the motor start time to prevent long-term stalling.
Thermal Overload Protection:Based on the IEC 60255-8 standard,dynamically calculates the motor thermal capacity to prevent overheating damage.
Negative Sequence Protection:Detects asymmetric faults(such as phase loss and phase-to-phase short circuit)and protects motor windings.
Staple Protection:Rapidly cuts off faults through the current-time characteristic curve.
Ground fault protection:supports high-resistance grounding system detection(sensitivity adjustable to 0.1A).
Feeder protection:
Overcurrent protection:quick-break,time-limited,and inverse-time characteristics are optional.
Directional overcurrent protection:distinguishes fault direction,suitable for ring network power supply.
Zero-sequence current protection:detects single-phase ground faults.
Transformer protection:
Differential protection(external CT needs to be configured):quickly cuts off the internal short circuit of the transformer.
Overexcitation protection:monitors the voltage/frequency ratio(V/Hz)to prevent core saturation.
2.Measurement function
Electrical parameter monitoring:
Three-phase voltage and current effective value(accuracy±0.2%).
Active power,reactive power,power factor(accuracy±0.5%).
Frequency(accuracy±0.01Hz),energy metering(kWh/kVarh).
Harmonic analysis:
Monitors 2-50th harmonic content and supports THD(total harmonic distortion)calculation.
3.Input/output(I/O)configuration
Digital input(DI):
12 programmable DI,support 24V DC or 110V DC/AC(passive contacts).
Typical uses:circuit breaker position,trolley position,protection action signal,etc.
Digital output(DO):
8 programmable DO,rated 250V DC/125V AC,5A(relay contact).
Typical uses:tripping,closing,alarm,signal reset,etc.
Analog input(AI):
4 programmable AI,support 0-20mA/4-20mA or 0-10V signal.
Typical uses:non-electrical quantity monitoring such as temperature,pressure,flow,etc.
Analog output(AO):
2 programmable AO,output 0-20mA/4-20mA signal.
Typical uses:remote transmission of parameters such as active power and current.
4.Communication interface
Ethernet interface:
2 RJ45 ports,supporting 10/100Mbps rate.
Protocol:IEC 61850-8-1(GOOSE,MMS),Modbus TCP,DNP3.0,IEC 60870-5-104.
Serial interface:
1 RS-485 port,supporting Modbus RTU or IEC 60870-5-103 protocol.
Fiber optic interface(optional):
Supports ST or LC connectors for long-distance communication or severe electromagnetic interference environment.
5.Human-machine interface(HMI)
Display:
3.5-inch color TFT LCD screen,resolution 320×240.
Supports multi-language menus such as Chinese and English.
Keys:
6 function keys(F1-F6)and navigation keys(up,down,left,and right confirmation)for local operation and parameter setting.
6.Mechanical and electrical parameters
Dimensions(width×height×depth):
144mm×177mm×270mm(compliant with IEC 60297-3 standard,3U rack mount).
Weight:
Approximately 3.5kg(including accessories).
Power supply:
AC power supply:85-265V AC,47-63Hz.
DC power supply:110-300V DC.
Power consumption:≤25W(typical value).
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