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ID:44811903
大小:552.00 KB
页数:8页
时间:2019-10-29
《RET650_差动测试》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、RET650定值清单及静态测试报告2009/12/191.差动保护1.1差动定值相关清单配置部分_全局基准定值,装置名牌,差动定值 Powersystem Primaryvalues注释定值单位整定范围 PRIMVAL:1Frequency频率50.0Hz50.060.0PhaseRotation相序Normal=L1L2L3GlobalbasevaluesGBASVAL:1基准组1UBase基准电压220.00kV0.052000.00IBase基准电流328A199999SBase基准容量125MVA150000GBASVAL:2UBase110.0
2、0kV0.052000.00IBase656A199999SBase125MVA150000GBASVAL:3UBase11.00kV0.052000.00IBase1575A199999SBase30MVA150000GBASVAL:4UBase132.00kV0.052000.00IBase1000A199999SBase229MVA150000GBASVAL:5UBase132.00kV0.052000.00IBase1000A199999SBase229MVA150000GBASVAL:6UBase132.00kV0.052000.00IBase1000A199999SB
3、ase229MVA150000 Identifiers装置标识TERMINALID:1StationName厂站名称ABB18character(s)StationNumber0099999ObjectName设备名称RET650-A0518character(s)ObjectNumber0099999UnitName继电器名称RET65018character(s)UnitNumber0099999ApplicationConfiguration应用功能DIFF_PROT差动保护Differential注释定值单位整定范围8T3WPDIF:1GlobalBaseSelW1W1基
4、准选择116GlobalBaseSelW2W2基准选择216GlobalBaseSelW3W3基准选择316ConnectTypeW1W1接线方式WYE(Y)ConnectTypeW2W2接线方式WYE(Y)ConnectTypeW3W3接线方式Delta(D)ClockNumberW2W2钟点数0[0deg]ClockNumberW3W3钟点数11[30deglead]ZSCurrSubtrW1W1零流消除OnZSCurrSubtrW2W2零流消除OnZSCurrSubtrW3W3零流消除OnOperation投退控制OnIdMin最小动作电流0.30IB0.050.60End
5、Section1拐点11.25IB0.201.50EndSection2拐点23.00IB1.0010.00SlopeSection2斜率240.0%10.050.0SlopeSection3斜率380.0%30.0100.0IdUnre差速断电流10.00IB1.0050.00I2/I1Ratio二次谐波制动系数15.0%5.0100.0I5/I1Ratio五次谐波制动系数25.0%5.0100.0CrossBlockEn交叉闭锁投退OnNegSeqDiffEn负序判别元件投退OnIMinNegSeq负序元件门槛电流0.10IB0.020.20NegSeqROA负序元件动作角6
6、0.0Deg30.090.0SOTFModeSOTF投退OffIDiffAlarm差流告警定值0.08IB0.051.00tAlarmDelay差流告警延时10.000s0.00060.000配置部分的CT变比如下:W1600/1A;W21000/1A;W32000/1A,所有CT接地点指向设备(极性指向各侧母线);W1中性点CT变比为600/1A(EFPTOC1,EFPIOC1),二次额定为1A配置部分的PT变比如下:W1220/0.1kV;W2110/0.1kV;W311.0/0.1kV,W2中性点PT变比为110/0.1kV(ROVPTOV),二次额定为100V。附录:差动
7、动作电流值计算IdMin=30%IB(IB为HV额定电流,LV侧为折算到与HV等容量的电流)各侧二次额定电流:W1side.Ir2=328A/600=0.547AW2side.Ir2=656A/1000=0.656A8W3side.Ir2=1575A/2000=0.788A差动电流计算公式(说明书)(W1-HVY-connection;W2Delta-Connection“ZSCSUB=On”)根据公式3:假定三相短路,差动动作电流计算:Yside:IDL1=(1/3)*(2IL
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