1、带方向零序电流保护,高整定值段67N带方向零序电流保护,速断段热过负荷保护(电动机)49M3热过负荷保护(出线、电缆)49F启动监测48/51Is/Is2t启动监测 ( 通过测速元件实现 )14ns相不平衡 / 相序不正确保护46I低电流保护373I三相差动速断保护零序差动保护87NREF高阻抗差动保护过电压保护,低定值段59U过电压保护,高定值段三相低电压保护,低定值段273U三相低电压保护,高定值段低电压保护,高定值段U零序电压保护,高定值段逆功率保护32PP电动机、发电机过励磁保护40X电动机、发电机欠励磁保护X频率保护,滑差闭锁81U/81Of/df/dt定子接地保护64测量功能零序差
2、动64p、 64s超温跳闸?23三相/ 两相电流测量3I/2I零序电流测量I0不平衡电流测量I三相电压测量3U零序电压测量U0有功、无功、电度测量(直接测量) 有功、无功、电度测量(经变送器测量) 故障录波正反向功率保护控制功能32E/P/Q断路器控制 1断路器控制 2接地开关 / 隔离手车位置指示 1 3 距离保护 22检测功能 IEEE 代码控制回路断线监视 电流输入异常检测同期检测 25通讯功能 IEEE 代码SPA规约LON规约面板显示 / 人机界面PC通讯软件MODBUSRTU/ASC规II约保护功能 ANSI 代码7UT6127UT6x3 7UT635 三相变压器单相变压 器自耦变
3、压器发电机 /电动机三相母线 分相母线差动保护 87T/G/M/L 111 X X X X X X零序差动保护 87N 12 2X X X*) X 过流保护 50/51 1 33X X X X X 零序 3I0 保护 50/51N1 33 X X X X 零序 IE 保护 50/51G 122 X X X X X X单相过流保护 1 1 1XX X X X X负序保护 46 1 1 1 X X X 热过负荷 IEC 60255-8491 2 2 X X X X X热过负荷 IEC 60354 492 X X X X X 过励磁保护 V/Hz 241 X X X X X X过电压保护 V 59
4、X X X X 低电压保护 V,f 81O/U1 X X X X 逆功率保护 32R 1X X X X 正向功率保护32F 1XX PT 断线闭锁 60FL 1断路器失灵保护50BF 12 2 XX X外部温度测量38 X XX X X跳闸命令锁存86 X X测量值监视 X跳闸回路监视74TC X X X X外部直跳功能 1外部直跳功能 2运行测量值 X自定义保护功能27,32,47,50,55,59,81 12 1247 复合电压保护x 有该功能 没有该功能*) 仅适用于 7UT6x3/635 结构68ProtInrush current blockingInrush harmonicNon
5、-directional overcurrent IDMTNon-directional overcurrent lowNon-directional overcurrent high50Non-directional overcurrent instantaneousDirectional overcurrent lowDirectional overcurrent highNon-directional earth-fault IDMTNon-directional earth-fault lowNon-directional earth-fault highDirectional ear
6、th-fault sensitiveDirectional earth-fault lowDirectional earth-fault highDirectional earth-fault sector (stage 1)Directional earth-fault sector (stage 2)Directional earth-fault sector (stage 3)Directional earth-fault sector (stage 4)Directional earth-fault sector (stage 5)Directional earth-fault sec
7、tor (stage 6)Directional earth-fault sector (stage 7)Directional earth-fault sector (stage 8)Directional earth-fault sector (stage 9)Directional earth-fault sector (stage 10)Overvoltage lowOvervoltage highOvervoltage instantaneousUndervoltage lowUndervoltage highUndervoltage instantaneousResidual ov
8、ervoltage lowResidual overvoltage highThermal overloadMotor start-up51LRBlocking rotor66Number of starts21+79Distance87Transformer differentialRestricted Earth-Fault (low impedance)Prot(CNegPhaseSequence)Unbalanced loadDirectional powerLow load81Frequency supervisionFrequency protection (stage 1, ne
9、twork 1)Frequency protection (stage 2,network 1)Frequency protection (stage 3,network 1)Frequency protection (stage 4,network 1)Frequency protection (stage 5,network 1)Frequency protection (stage 6,network 1)Frequency protection (stage 1,network 2)Frequency protection (stage 2,network 2)Frequency pr
10、otection (stage 3,network 2)Frequency protection (stage 4,network 2)Frequency protection (stage 5,network 2)Frequency protection (stage 6,network 2)25Synchronism check79PrimiAutorecloserPower factor controllerSwitching resonance protectionHigh harmonic protectionFault recorder21P/21G距离元件一圆特性和四 边形特性全方案继电器5消除 CVT暂态超越负荷阴挡线简易的整定模式
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