1、3I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)E/P/Q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32控制功能断路器控制1断
2、路器控制2接地开关/隔离手车位置指示13距离保护22检测功能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SPA规约LON规约面板显示/人机界面PC通讯软件MODBUSRTU/ASCII规约保护功能ANSI代码7UT6127UT6x37UT635三相变压器单相变压器自耦变压发电机/电动机三相母线分相母线差动保护87T/G/M/L1XX零序差动保护87N2X*)过流保护50/513零序3I0保护50/51N零序IE保护50/51G单相过流保护负序保护46热过负荷IEC60255-84960354过励磁保护V/Hz24过电压保护V59低电压保护V,f81O/U逆功率保护32R正向功率保护32
3、FPT断线闭锁60FL断路器失灵保护50BF外部温度测量38跳闸命令锁存86测量值监视跳闸回路监视74TC外部直跳功能1外部直跳功能2运行测量值自定义保护功能27,32,47,50,55,59,811247 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 blocking Inrush harmonicNon-directional overcurrent IDMTNon-directional overcurrent lowNon-directional overcurrent high50Non-directional over
4、current instantaneousDirectional overcurrent lowDirectional overcurrent highNon-directional earth-fault IDMTNon-directional earth-fault lowNon-directional earth-fault highDirectional earth-fault sensitiveDirectional earth-fault lowDirectional earth-fault highDirectional earth-fault sector (stage 1)D
5、irectional 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 sector (stage 6)Directional earth-fault sector (stage 7)Directional earth-fault sector (stage 8)Directional earth-fau
6、lt sector (stage 9)Directional earth-fault sector (stage 10)Overvoltage lowOvervoltage highOvervoltage instantaneousUndervoltage lowUndervoltage highUndervoltage instantaneousResidual overvoltage lowResidual overvoltage high49Thermal overloadMotor start-up51LRBlocking rotor66Number of starts21+79Dis
7、tance87Transformer differentialRestricted Earth-Fault (low impedance)Prot(CNegPhaseSequence)Unbalanced load Directional powerLow load81Frequency supervisionFrequency protection (stage 1, network 1)Frequency protection (stage 2,network 1)Frequency protection (stage 3,network 1)Frequency protection (s
8、tage 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 protection (stage 3,network 2)Frequency protection (stage 4,network 2)Frequency protection (stage 5,network 2)Fre
9、quency protection (stage 6,network 2)Synchronism 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互感补偿85通道辅助方案,PUTT,POTT,闭锁式,弱馈加速跳闸一负荷丢失,和Z1延伸50/27合闸于故障系统振荡闭锁I/V突变量方向比较主向接地故障(DEF)纵联保护50
10、/51/67相过流保护450N/51N/67N零序过流保护67/46负序过流保护46BC断相保护热过负荷保护低电压保护2过电压保护零序过电压保护50BF高速断路器失灵保护CTS/VTS电流和电压互感器监视自动重合闸-支持多次重合检同期整定值组FL故障定位21PPDIS四边形全方案相间距离保护(5段)21G四边形全方案接地距离保护(5段)OcpPTOC/RDIR带方向/不带方向过流保护(4段)EfdPTOC/RDIR带方向/不带方向后备接地故障保护(4段)EfaPSCH通道辅助的零序方向保护(DEF)32N零序功率方向保护NgcPTOC/RDIR带方向/不带方向负序过流保护方向比较(利用PSL)
11、RPSB系统震荡闭锁和失步跳闸(利用PSL)PSOF合闸于故障/重合于故障保护(SOFT/TOR)PSCH通道辅助方案(欠范围允许式、超范围允许式、闭锁式)弱馈回音逻辑加速跳闸功能;负荷丢失-Z1延伸PTTRPTRC跳闸3P1/3PRREC自动重合闸(4次)RSYN可选PTUV低电压(2段)PTOV过电压(2段)断线保护50STOcpPTOC短引线保护RBRF断路器失灵VTS电压互感器监视(1相、2相、3相熔断器故障检测)CVTS电容式电压互感器监视CTS电流互感器监视51FFPTOCVT故障情况下紧急过流OptGGIO开关量输入81624RlyGGIO输出继电器(可选快速输出)2132或46
12、前端通信口(RS232/K-Bus)后端通信口(RS485/光口/以太网)第二个后端通信口RS232/RS485/K-Bus)NA时钟同步端口(IRIG模块符号起动定值YT31(YT41)即VE187T1 LV变压器差动1过负荷零序过流1零序过流2主变冷却器全停主变轻瓦斯主变重瓦斯主变释压零序过压ATIj=0.82A,t=8Ij=1.5A,t=Ij=0.5A,t=t=0Udz=,t=8YT32(YT42)即VE387T259/81 syst fail变压器差动2过激磁1过激磁2Ij=1.7A,t=Ij=0.6A,t=s=,t=10s=,t=3YT33(YT43)即VE451/27 T t151/27 T t246T低压记忆过流1低压记忆过流2(已取消)负序过流起动主变通风电抗器轻瓦斯电抗器温度避雷器动作Ij=0.93A,t=5Udz=70V%,t=4Ij=0.4A67/50/51三相过流D热过负荷三相欠流67N/50N/51N接地(单相)过流接地功率64N(REF)高阻限制性接地故障零序过电压27/59相/线 低/过电压自动重合闸高阻差动合于故障(SOTF)电流相序断路器失灵检测断路器维护和TCS断线检测I2/I1负荷冷启动86输出继电器自保持
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