继电保护整定计算书

四川省电力公司XX电站、XX电站保护定值计算书计算：审核：批准：时间：1一、概述本计算书内容包括设备参数、三相短路计算结果、保护配置、定值计算、定值清单。二、设备参数1、发电机XX电站XX电站单位型号SF3200-36/4250ASF2500-40/4250A额定容量40003125KVA额定功率32002500KW额定电压63006300V额定电流366.7286.4A额定频率5050Hz额定功率因数0.8（滞后）0.8（滞后）额定转速166.7150r/min飞逸转速450360r/min相数33定子绕组接法2YY空载额定励磁电压8075V空载额定励磁电流120110A额定励磁电压241.5165V额定励磁电流240.3228A最大励磁电流624.3573A励磁方式可控硅静止励磁可控硅静止励磁旋转方向俯视顺时针俯视顺时针定子铁心外径Da42504250mm定子铁心内径Di38903890mm定子铁心长Lt370350mm转子铁心长Lp340350mm气隙δ77mm转子对地绝缘电阻100100MΩ定子绕组15℃时的电阻R1(15)0.091360.11639Ω转子绕组15℃时的电阻R2(15)0.68830.51Ω定子漏抗Xe0.13530.1052标幺值保梯电抗Xp0.20220.2182标幺值纵轴同步电抗Xd1.10130.9383标幺值纵轴瞬变电抗Xd'0.30710.2728标幺值纵轴超瞬变电抗Xd0.22110.1934标幺值横轴同步电抗Xq0.7020.5952标幺值横轴瞬变电抗Xq'0.7020.5952标幺值横轴超瞬变电抗Xq0.34880.3164标幺值零序电抗X00.13120.0827标幺值负序电抗X20.27130.2549标幺值定子绕组开路时励磁绕组的时间常数Td01.7432.04s2励磁绕组短路时定子绕组的时间常数Ta0.07560.057s短路比fK01.0751.2593计算值效率η94.69%95.18%计算值上机架油池1.31.3m3下机架油池0.30.3m3机组总用水量12096m3/h进水温度2828℃空冷器个数66空冷器用水量1414m3/h定子重量1725015120Kg转子重量3350033140Kg上机架重量1426514265Kg下机架重量39373937Kg总重7890076100Kg2、变压器XX电站变压器参数1#变2#变单位型号S9-6300/35S9-3150/10额定容量63003150KVA电压高压侧Ⅰ4042011000VⅡ3946010500VⅢ3850010000VⅣ37540---VⅤ36580---V低压侧63006300V接线组别Yd11Yd11高压侧电流94.5（Ⅲ档）173.2（Ⅱ档）A低压侧电流577.4288.7A冷却方式ONANONAN阻抗电压7.33%5.29%绝缘油重23401455kg器身重量78103845kg总重124907170绝缘水平LI200AC85/LI60AC25LI75AC35/LI60AC25出厂编号9721078001出厂日期1998.012008.02制造厂内江变压器厂蜀能电器有限公司XX电站变压器参数1#变2#变单位型号SF9-10000/35S9-6300/10额定容量100006300KVA电压高压侧Ⅰ4042011000V3Ⅱ3946010750VⅢ3850010500VⅣ3754010250VⅤ3658010000V低压侧63006300V接线组别Yd11Yd11高压侧电流150（Ⅲ档）346.4（Ⅲ档）A低压侧电流916.4577.4A冷却方式ONAN/ONAF65/100%ONAN阻抗电压7.61%4.89%空载电流0.36%0.12%空载损耗108003504W负载损耗4880929875W绝缘油重3250kg上节油箱重量940kg器身吊重11500kg运输重量15500kg器身总重17200kg绝缘水平LI200AC85/LI60AC25出厂编号982003110024出厂日期1998.122011.4制造厂内江变压器厂成都四鹏电器有限责任公司制造厂内江变压器厂成都四鹏电器有限责任公司3、10kV线路项目线路导线型号长度（Km）XX四合煤矿LGJ-701.82大顺煤矿LGJ-700.4大庆开关站LGJ-703.2大庆二井LGJ-701.4XX许家沟开关站LGJ-701.5兴旺砖厂LGJ-703.7方嘴砖厂LGJ-700.644、电压互感器项目设备型号电压比XX35KV母线互感器JDJJ2-3535000/√3/100/√3/100/310KV母线互感器JDZJ-1010000/√3/100/√3/100/√3/100/36KV母线互感器JDZX11-66000/√3/100/√3/100/3发电机机端互感器JDZJ-66000/√3/100/√3/100/3XX35KV母线互感器JDJJ2-3535000/√3/100/√3/100/310KV母线互感器JDZX11-10C10000/√3/100/√3/100/√3/100/36KV母线互感器JDZX11-66000/√3/100/√3/100/3发电机机端互感器JDZJ-66000/√3/100/√3/100/35、电流互感器XX1#、2#机中性点JDJ-10/210/L0.5/10P10400/51#、2#机端061、062LZZBJ9-120.2/0.5/5P10/10P15400/5主变低压侧601LZZBJ9-120.2/0.5/5P10/10P15400/5主变高压侧501LCZ-35150/52#变低压侧602LZZBJ9-120.2/0.5/5P10/10P15400/52#变高压侧901LZZBJ9-100.2/0.5/10P15/10P15250/5四合911LZZBJ9-100.2/0.5/10P15100/5大顺912LZZBJ9-100.2/0.5/10P15100/5大庆开关站913LZZBJ9-100.2/0.5/10P15200/5大庆二井914LZZBJ9-100.2/0.5/10P15100/5XX1#、2#机中性点JDJ-10/210/L0.5/10P10600/51#、2#机端061、062LZZBJ9-120.2/0.5/5P10/10P15500/5主变低压侧601LZZBJ9-120.2/0.5/5P10/10P151200/5主变高压侧501LCZ-35200/52#变低压侧602LZZBJ9-120.2/0.5/5P10/10P15750/52#变高压侧901LZZBJ9-100.2/0.5/10P15500/5许家沟开关站911LZZBJ9-100.2/0.5/10P16300/5兴旺砖厂912LZZBJ9-100.2/0.5/10P1775/5方嘴砖厂913LZZBJ9-100.2/0.5/10P1830/5三、本次保护整定计算依据51）DLT5177—2003水力发电厂继电保护设计导则2）SL455—2010水利水电工程继电保护设计规范3）大型发电机组继电保护整定计算导则4）EDCS—6000系列、EDCS—7000系列、EDCS—8000系列发电机变压器成套装置技术说明书4）发电机、变压器产品说明书四、三相短路电流计算1、主接线图1G2G1B2B6KV35KV10KV9149139129115016010610626029012、阻抗归算结果阻抗归算天仙桥石麟1#发电机次暂态电抗Xd0.19340.22112#发电机次暂态电抗Xd0.19340.22111#发电机容量3.12542#发电机容量3.12541#主变阻抗电压7.33%7.61%2#主变阻抗电压5.29%4.89%1#主变容量6.3102#主变容量3.156.3基准容量Sbs1001001#发电机等效电抗6.188805.527502#发电机等效电抗6.188805.527501#主变等效电抗1.163490.761002#主变等效电抗1.679370.77619系统阻抗归算值最大运行方式0.811650.68296最小运行方式1.030870.896673、网络图6XG1XG2XB1XB26KV35KV10KVX914X913X912X911k1k2k3k4k5k6k74、最大运行方式下短路电流计算结果短路电流计算天仙桥故障点综合电抗三相短路电流综合分支导纳公共电抗G1，G2支路分支系数S支路分支系数G1，G2支路转移阻抗s支路转移阻抗G1，G2支路电流S支路电流6KV母线短路1.20567.60160.19480.61046.18881.97511.48084.639935KV母线短路0.68172.28910.32321.16350.50000.83998.51580.81170.18321.92262#主变高压侧短路2.88501.90600.82951.67940.19480.610414.80964.72640.37131.1634石麟6KV母线短路0.94849.66280.17160.65685.52751.44401.65806.346835KV母线短路0.57212.72750.36180.76100.50000.83777.04950.68300.22142.28482#主变高压侧短路1.72463.18841.05440.77620.17160.656810.05112.62570.54712.0942名称线路阻抗10KV线路短路电流XX四合煤矿0.661.55大顺煤矿0.1451.81大庆开关站1.161.36大庆二井0.511.62XX许家沟开关站0.542.43兴旺砖厂1.341.79方嘴砖厂0.222.8375、最小运行方式下短路电流计算结果短路电流计算XX故障点综合电抗三相短路电流综合分支导纳公共电抗G1，G2支路分支系数S支路分支系数G1，G2支路转移阻抗s支路转移阻抗G1，G2支路电流S支路电流两相短路电流6KV母线短路1.28397.13810.20750.58516.18882.19441.48084.17646.181635KV母线短路0.82991.88020.32321.16350.50000.80518.51581.03090.18321.51371.62832#主变高压侧短路2.96331.85560.77891.67940.20750.585114.28395.06460.38501.08571.6070XX6KV母线短路1.03628.84460.18750.62515.52751.65771.65805.52867.659435KV母线短路0.71482.18300.36180.76100.50000.79727.04950.89670.22141.74031.89052#主变高压侧短路1.81243.03400.96510.77620.18750.62519.66812.89940.56881.89652.6274名称线路阻抗10KV线路短路电流XX四合煤矿0.661.52大顺煤矿0.1451.77大庆开关站1.161.33大庆二井0.511.58XX许家沟开关站0.542.34兴旺砖厂1.341.74方嘴砖厂0.222.716、极限最小运行方式（单机供近区）阻抗归算天仙桥石麟1#发电机次暂态电抗Xd0.19340.22112#发电机次暂态电抗Xd0.19340.22111#发电机容量3.12542#发电机容量3.12541#主变阻抗电压7.33%7.61%2#主变阻抗电压5.29%4.89%1#主变容量6.3102#主变容量3.156.3基准容量Sbs3.12541#发电机等效电抗0.19340.221182#发电机等效电抗0.19340.22111#主变等效电抗0.03640.03042#主变等效电抗0.05250.0310五、保护配置1、发电机保护配置1）差动保护2）定子过电压保护3）逆功率保护4）低压记忆过流保护5）失磁保护6）转子一点接