描述
BECKWITH M-3425A是一款发电机保护继电器模块，以下是其产品详情：
产品概述：M-3425A是一种综合型发电机保护继电器，适用于各种规模的发电机，能为任何原动机、接地和连接类型的发电机提供保护，其性能超过了IEEE C37.102和标准242对发电机保护的要求。
保护功能
同步检查：可进行带有相角、电压差（δV）和频率差（δf）的同步检查，基本配置带有空载线路/空载母线选项。
过励磁保护：具备过励磁（V/Hz）保护功能。
接地保护：包括励磁接地（64F）和电刷抬起（64B）保护，还可通过M-3921励磁接地耦合器实现相欠压保护（27）。
其他保护：具有三段式距离保护（姆欧特性）、三次谐波欠压、中性点启动、正序电压闭锁、定时限过流、瞬时中性点过流、剩余方向过流等保护功能。
技术参数
电压设定值范围：相电压过压启动值#1、#2、#3为5-180V，精度为0.5V或0.5%；三次谐波欠压、中性点启动值#1、#2为0.10-14.00V，精度为0.01V。
电流设定值范围：定时限过流启动相A#1、#2为0.20A-240.00A，精度为0.01A；瞬时中性点过流启动值为0.1-240.0A，精度为0.1A；剩余方向过流定时限启动值为0.5-240.0A，精度为0.1A。
时间延迟范围：时间延迟为1-8160个周期，精度为1个周期。
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
BECKWITH M-3425A is a generator protection relay module.The following are its product details:
Product Overview:The M-3425A is a comprehensive generator protection relay suitable for generators of all sizes.It can provide protection for generators of any prime mover,grounding and connection type.Its performance exceeds the requirements of IEEE C37.102 and Standard 242 for generator protection.
Protection Functions
Synchronous Check:Synchronous check with phase angle,voltage difference(δV)and frequency difference(δf)can be performed.The basic configuration has no-load line/no-load bus options.
Overexcitation Protection:With overexcitation(V/Hz)protection function.
Ground Protection:Includes excitation grounding(64F)and brush lift(64B)protection.Phase undervoltage protection(27)can also be achieved through the M-3921 excitation grounding coupler.
Other protections:Features include three-stage distance protection(mho characteristic),third harmonic undervoltage,neutral point pickup,positive sequence voltage blocking,definite time overcurrent,instantaneous neutral point overcurrent,and residual directional overcurrent.
Technical Parameters
Voltage Setting Range:Phase voltage overvoltage pickup values#1,#2,and#3 are 5-180V,with an accuracy of 0.5V or 0.5%;third harmonic undervoltage and neutral point pickup values#1 and#2 are 0.10-14.00V,with an accuracy of 0.01V.
Current Setting Range:Definite time overcurrent pickup for Phase A#1 and#2 is 0.20A-240.00A,with an accuracy of 0.01A;instantaneous neutral point overcurrent pickup value is 0.1-240.0A,with an accuracy of 0.1A;and residual directional overcurrent definite time pickup value is 0.5-240.0A,with an accuracy of 0.1A.
Time delay range:1-8160 cycles,with an accuracy of 1 cycle.
ABB Model:GBU72 3BHE055094R0002 Model:3BHE055094R0002 GBU72 Model:GBU72 Model:3BHE055094R0002 Model:3BHE031197R0001 Model:3BHB030310R0001 Model:73BHE055094R0002 GBU72 Model:73BHE055094R0002 Model:GBU72 Model:ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
