GE 531X305NTBANG101 GE

过流保护:<20 ms(速断模式)

输出触点容量继电器输出:10 A 250 VAC/30 VDC(阻性负载)

隔离电压输入/输出间:4 kV(50 Hz,1分钟)

通道间:2 kV(50 Hz,1分钟)

3.环境与可靠性

参数类别规格详情

工作温度-25℃~70℃(工业级)

存储温度-40℃~85℃

湿度5~95%RH(无凝露)

振动抗性5~500 Hz,2 g(IEC 60068-2-6)

冲击抗性30 g,11 ms(IEC 60068-2-27)

防护等级IP40(标准),可选IP54防护罩

MTBF>300,000小时(25℃恒定负载,Telcordia SR-332标准)

认证标准IEC 60255、UL 508、CE、ATEX(Ex nA IIC T4 Gc)、GOST-R

分类: 品牌:

描述

一、产品定位与核心优势

1.品牌与产品线归属

GE(General Electric,现属GE Vernova能源板块):

531X305NTBANG101是GE Multilin系列中的一款工业级保护继电器模块,专注于电力系统保护与控制。

核心优势:

高精度保护算法:支持差动保护、过流保护、距离保护,满足IEC 61850标准。

多协议兼容:集成Modbus、DNP3、IEC 61850(GOOSE/MMS),适配智能变电站。

宽环境适应性:工作温度-25℃~70℃,耐受高湿度、盐雾、振动(符合IEC 60255标准)。

模块化设计:支持热插拔、冗余配置,便于现场升级与维护。

2.典型应用场景

电力系统保护:

发电厂:发电机差动保护、变压器后备保护。

变电站:线路距离保护、母线差动保护。

工业配电:电动机保护、电容器组保护。

可再生能源并网:

光伏/风电场汇流箱、逆变器的过压/过流保护。

轨道交通供电:

地铁/高铁牵引变电所的馈线保护。

石油化工:

爆炸危险区域(Ex d/Ex e)的电机保护与联锁控制。

二、技术参数详解

1.基础规格

参数类别规格详情

型号531X305NTBANG101

系列GE Multilin UR系列(通用保护继电器)

安装方式面板安装(前接线)或机架安装(19英寸标准)

通道数4个保护通道(可独立配置)+8个数字输入/4个数字输出

保护功能差动保护、过流保护(速断/定时限)、方向保护、低电压/过电压保护、频率保护

通信接口以太网(10/100 Mbps)+RS-485(Modbus/DNP3)+光纤接口(可选)

2.电气参数

参数类别规格详情

额定电压AC/DC 24~250 V(宽范围供电)

输入信号电流互感器(CT):5 A/1 A(二次侧)

电压互感器(PT):100 V/110 V(二次侧)

测量精度电流/电压:±0.1%

功率:±0.2%

频率:±0.01 Hz

保护动作时间差动保护:<10 ms(典型值)

过流保护:<20 ms(速断模式)

输出触点容量继电器输出:10 A 250 VAC/30 VDC(阻性负载)

隔离电压输入/输出间:4 kV(50 Hz,1分钟)

通道间:2 kV(50 Hz,1分钟)

3.环境与可靠性

参数类别规格详情

工作温度-25℃~70℃(工业级)

存储温度-40℃~85℃

湿度5~95%RH(无凝露)

振动抗性5~500 Hz,2 g(IEC 60068-2-6)

冲击抗性30 g,11 ms(IEC 60068-2-27)

防护等级IP40(标准),可选IP54防护罩

MTBF>300,000小时(25℃恒定负载,Telcordia SR-332标准)

认证标准IEC 60255、UL 508、CE、ATEX(Ex nA IIC T4 Gc)、GOST-R

三、功能特性解析

1.高精度保护与控制

自适应保护算法:

根据系统阻抗、负荷变化自动调整保护定值,减少误动/拒动风险。

多级保护逻辑:

支持主保护+后备保护双重配置,例如差动保护(主)+过流保护(后备)。

故障录波:

记录故障前/后8个周期的波形,支持COMTRADE格式导出,便于事故分析。

2.智能通信与集成

IEC 61850协议:

通过GOOSE消息实现快速跳闸信号传输(<4 ms),适配智能变电站。

HMI集成:

提供GE Digital Energy HMI软件,支持实时监控、定值修改、事件日志查询。

PLC联动:

通过Modbus TCP/IP与GE PACSystems RX3i PLC联动,实现保护动作触发联锁逻辑。

3.安全与冗余设计

双电源输入:

支持AC/DC双供电,主备电源自动切换,确保不间断运行。

自诊断功能:

监测硬件状态(如CT断线、电源故障),通过LED指示灯/通信报文报警。

冗余通信:

可配置双以太网端口,实现通信链路冗余。

1.Product positioning and core advantages

1.Brand and product line ownership

GE(General Electric,now part of GE Vernova Energy):

531X305NTBANG101 is an industrial-grade protection relay module in the GE Multilin series,focusing on power system protection and control.

Core advantages:

High-precision protection algorithm:supports differential protection,overcurrent protection,distance protection,and meets the IEC 61850 standard.

Multi-protocol compatibility:integrated Modbus,DNP3,IEC 61850(GOOSE/MMS),suitable for smart substations.

Wide environmental adaptability:working temperature-25℃~70℃,resistant to high humidity,salt spray,vibration(in compliance with IEC 60255 standard).

Modular design:supports hot-swap and redundant configuration,which is convenient for on-site upgrades and maintenance.

2.Typical application scenarios

Power system protection:

Power plant:generator differential protection,transformer backup protection.

Substation:line distance protection,busbar differential protection.

Industrial power distribution:motor protection,capacitor bank protection.

Renewable energy grid connection:

Photovoltaic/wind farm combiner box,inverter overvoltage/overcurrent protection.

Rail transit power supply:

Subway/high-speed rail traction substation feeder protection.

Petrochemical:

Motor protection and interlocking control in explosion-hazardous areas(Ex d/Ex e).

2.Technical parameter details

1.Basic specifications

Parameter category Specification details

Model 531X305NTBANG101

Series GE Multilin UR series(universal protection relay)

Installation mode Panel installation(front wiring)or rack installation(19-inch standard)

Number of channels 4 protection channels(independently configurable)+8 digital inputs/4 digital outputs

Protection functions Differential protection,overcurrent protection(fast break/time limit),direction protection,low voltage/overvoltage protection,frequency protection

Communication interface Ethernet(10/100 Mbps)+RS-485(Modbus/DNP3)+fiber optic interface(optional)

2.Electrical parameters

Parameter category Specification details

Rated voltage AC/DC 24~250 V(wide range power supply)

Input signal Current transformer(CT):5 A/1 A(secondary side)

Voltage transformer(PT):100 V/110 V(secondary side)

Measurement accuracy Current/voltage:±0.1%

Power:±0.2%

Frequency:±0.01 Hz

Protection action time Differential protection:<10 ms(typical)

Overcurrent protection:<20 ms(fast-break mode)

Output contact capacity Relay output:10 A 250 VAC/30 VDC(resistive load)

Isolation voltage Input/output:4 kV(50 Hz,1 minute)

Channel:2 kV(50 Hz,1 minute)

3.Environment and reliability

Parameter category Specification details

Operating temperature-25℃~70℃(industrial grade)

Storage temperature-40℃~85℃

Humidity 5~95%RH(non-condensing)

Vibration resistance 5~500 Hz,2 g(IEC 60068-2-6)

Shock resistance 30 g,11 ms(IEC 60068-2-27)

Protection level IP40(standard),optional IP54 protective cover

MTBF>300,000 hours(25℃constant load,Telcordia SR-332 standard)

Certification standards IEC 60255,UL 508,CE,ATEX(Ex nA IIC T4 Gc),GOST-R

III.Functional characteristics analysis

1.High-precision protection and control

Adaptive protection algorithm:

Automatically adjust the protection setting according to system impedance and load changes to reduce the risk of false operation/refusal to operate.

Multi-level protection logic:

Supports dual configuration of main protection+backup protection,such as differential protection(main)+overcurrent protection(backup).

Fault recording:

Records waveforms of 8 cycles before/after the fault,supports COMTRADE format export,and is convenient for accident analysis.

2.Intelligent communication and integration

IEC 61850 protocol:

Fast trip signal transmission(<4 ms)is achieved through GOOSE messages,suitable for smart substations.

HMI integration:

GE Digital Energy HMI software is provided to support real-time monitoring,fixed value modification,and event log query.

PLC linkage:

Link with GE PACSystems RX3i PLC through Modbus TCP/IP to realize protection action triggering interlocking logic.

3.Safety and redundancy design

Dual power input:

Support AC/DC dual power supply,automatic switching of main and standby power supplies to ensure uninterrupted operation.

Self-diagnosis function:

Monitor hardware status(such as CT disconnection,power failure),and alarm through LED indicators/communication messages.

Redundant communication:

Configurable dual Ethernet ports to achieve communication link redundancy.

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