IEC综合保护代码.docx

1、IEC综合保护代码REM54系列(电动机、发电机保护电驿) 保护功能IEEE代码IEC标示三相无方向过流保护，低整定值段513I三相无方向过流保护，高整定值段50/51/51B3I三相无方向过流保护，速断段50/51B3I三相带方向过流保护，低整定值段673I三相带方向过流保护，高整定值段673I三相带方向过流保护，速断段673I无方向零序电流保护，低整定值段51NI0无方向零序电流保护，高整定值段50N/51NI0无方向零序电流保护，速断段50NI0带方向零序电流保护，低整定值段67N/51NI0带方向零序电流保护，高整定值段67NI0带方向零序电流保护，速断段67NI0热过负荷保护（电动机

2、）49M3热过负荷保护（出线、电缆）49F3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87T/87G/87M3I零序差动保护87NIREF高阻抗差动保护87T/87G/87M3I过电压保护，低定值段59U过电压保护，高定值段59U三相低电压保护，低定值段273U三相低电压保护，高定值段273U低电压保护，高定值段27U零序电压保护，高定值段59NU0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40X频率保护，滑差闭锁81U/81Of/df/dt定子接地保护64测量功能IEEE代

3、码IEC标示零序差动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）E/P/Q故障录波正反向功率保护32控制功能IEEE代码IEC标示断路器控制1断路器控制2接地开关/隔离手车位置指示13距离保护22检测功能IEEE代码IEC标示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IEC标示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

4、器单相变压器自耦变压器发电机/电动机三相母线分相母线差动保护87T/G/M/L111XXXXXX零序差动保护87N122XXX*)X过流保护50/51133XXXXX零序3I0保护50/51N133XXXX零序IE保护50/51G122XXXXXX单相过流保护111XXXXXX负序保护46111XXXX热过负荷IEC60255-849122XXXXX热过负荷IEC603544922XXXXX过励磁保护V/Hz241XXXXXX过电压保护V591XXXX低电压保护V,f81O/U1XXXX逆功率保护32R1XXXX正向功率保护32F1XXXXPT断线闭锁60FL1XXXX断路器失灵保护50BF1

5、22XXXXX外部温度测量38XXXXXXXXX跳闸命令锁存86XXXXXXXXX测量值监视XXXXXXXXX跳闸回路监视74TCXXXXXXXXX外部直跳功能1XXXXXXXXX外部直跳功能2XXXXXXXXX运行测量值XXXXXXXXX自定义保护功能27,32,47,50,55,59,811212XXXXX47 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 68ProtInrush harmonic51ProtNon-directional overcurrent IDMT51ProtNon-directio

6、nal overcurrent low51ProtNon-directional overcurrent high50ProtNon-directional overcurrent instantaneous67ProtDirectional overcurrent low67ProtDirectional overcurrent high51NProtNon-directional earth-fault IDMT51NProtNon-directional earth-fault low51NProtNon-directional earth-fault high67NProtDirect

7、ional earth-fault sensitive67NProtDirectional earth-fault low67NProtDirectional earth-fault high67NProtDirectional earth-fault sector (stage 1)67NProtDirectional earth-fault sector (stage 2)67NProtDirectional earth-fault sector (stage 3)67NProtDirectional earth-fault sector (stage 4)67NProtDirection

8、al earth-fault sector (stage 5)67NProtDirectional earth-fault sector (stage 6)67NProtDirectional earth-fault sector (stage 7)67NProtDirectional earth-fault sector (stage 8)67NProtDirectional earth-fault sector (stage 9)67NProtDirectional earth-fault sector (stage 10)59ProtOvervoltage low59ProtOvervo

9、ltage high59ProtOvervoltage instantaneous27ProtUndervoltage low27ProtUndervoltage high27ProtUndervoltage instantaneous59NProtResidual overvoltage low59NProtResidual overvoltage high49ProtThermal overload51ProtMotor start-up51LRProtBlocking rotor66ProtNumber of starts21+79ProtDistance87ProtTransforme

10、r differential87NProtRestricted Earth-Fault (low impedance)46Prot(CNegPhaseSequence)Unbalanced load 32ProtDirectional power37ProtLow load81ProtFrequency supervision81ProtFrequency protection (stage 1, network 1)81ProtFrequency protection (stage 2,network 1)81ProtFrequency protection (stage 3,network

11、 1)81ProtFrequency protection (stage 4,network 1)81ProtFrequency protection (stage 5,network 1)81ProtFrequency protection (stage 6,network 1)81ProtFrequency protection (stage 1,network 2)81ProtFrequency protection (stage 2,network 2)81ProtFrequency protection (stage 3,network 2)81ProtFrequency prote

12、ction (stage 4,network 2)81ProtFrequency protection (stage 5,network 2)81ProtFrequency protection (stage 6,network 2)25ProtSynchronism check79PrimiAutorecloserPrimiPower factor controllerProtSwitching resonance protectionPrimiHigh harmonic protectionPrimiFault 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C

13、VT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68系统振荡闭锁I/V突变量方向比较67N主向接地故障（DEF）纵联保护50/51/67相过流保护450N/51N/67N零序过流保护467/46负序过流保护46BC断相保护49热过负荷保护27低电压保护259过电压保护259N零序过电压保护250BF高速断路器失灵保护CTS/VTS电流和电压互感器监视79自动重合闸-支持多次重合425检同期整定值组4FL故障定位21PPDIS四边形全方案相间距离保护（5段）21GPDIS四边形全方案接地距离保护（5段

14、）50/51/67OcpPTOC/RDIR带方向/不带方向过流保护（4段）50N/51N/67NEfdPTOC/RDIR带方向/不带方向后备接地故障保护（4段）67NEfaPSCH通道辅助的零序方向保护（DEF)32N零序功率方向保护67/46NgcPTOC/RDIR带方向/不带方向负序过流保护方向比较（利用PSL）68RPSB系统震荡闭锁和失步跳闸（利用PSL）50/27PSOF合闸于故障/重合于故障保护（SOFT/TOR)85PSCH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49PTTR热过负荷保护PTRC跳闸3P1/3P1/3P79RR

15、EC自动重合闸（4次）3P1/3P1/3P25RSYN检同期可选可选可选27PTUV低电压（2段）59PTOV过电压（2段）46BC断线保护50STOcpPTOC短引线保护50BFRBRF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）142132或46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可选可选时钟同步端口（IRIG模块符号保

16、护功能起动跳闸定值YT31（YT41）即VE1YT31（YT41）即VE187T149 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AAAAAATTTTTTTTIj=0.82A,t=8Ij=1.5A,t=Ij=0.5A,t=t=0t=0t=0t=0Udz=,t=8YT32(YT42)即VE387T2 59/81 59/81 syst fail变压器差动2零序过流1零序过流2过激磁1过激磁2主变冷却器全停主变轻瓦斯主变重瓦斯AAAAATTTTTTTIj=1.7A,t=Ij=0.6A,t=s=,t=10s=,t=3t=0t=0YT33(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主变释压电抗器轻瓦斯电抗器温度避雷器动作AAAAAAATTTIj=0.93A,t=5Udz=70V%,t=4Ij=0.4At=067/50/51三相过流D49热过负荷37三相欠流46负序过流67N/50N/51N接地(单相)过流DDD32N接地功率64N(REF)高阻限制性接地故障59N零序过电压27/59相/线 低/过电压79自动重合闸87高阻差动合于故障（SOTF）电流相序50BF断路器失灵检测断路器维护和TCS46BC断线检测I2/I1负荷冷启动86输出继电器自保持