变压器容量与母排-断路器-互感器-开关综合元器件选型配合计算表.xls

10/0.4kV（变比为25）变压器与低压断路器、互感器及母线等配合表变压器容量Se(kVA)阻抗电压Uk%额定电流(A)低压出口短路电流(kA)高压熔断器额定电流（A）总出线断路器额定电流(A)互感器变比(A)高压侧低压侧IpIk16049.2230.914.725.7716250300/5200411.5288.718.407.2220315400/5250414.4360.823.009.0225400500/5315418.2454.728.9811.3732500650/5400423.1577.436.8114.4340630800/5500428.9721.746.0118.0450800800/5630436.4909.357.9722.736310001000/5800646.21154.749.0719.258012501500/51000657.71443.461.3424.0610016002000/51250672.21804.276.6830.0712520002500/51600692.42309.498.1538.4916025003000/520006115.52886.8122.6948.1120032004000/525006144.33608.4153.3660.1425040005000/5附注：1.Ip-短路电流峰值；Ik-对称稳态三相短路电流有效值；短路电流计算以上级系统容量无穷大为计算条件。计算公式 Ik=Se/1000(3UeUk%)=100Se/1000(30.4Uk)=Se/3/4Uk(kA)Ip=2.55Ik变压器 高压侧额定电流=Sr/(3Ue)=Se/3/10(A)低压侧额定电流=Sr/(3Ue)=Se/3/0.4(A)变压器低压侧出线选择变压器低压侧中性点接地线选择母线槽(A)铜母线(TMY-)规格(mm2)VV电缆规格(mm2)YJV电缆规格(mm2)铜母线(mm2)-4(404)3150+170153-4(404)3240+11203185+1951536304(404)2(3150+170)3300+11501536304(505)2(3240+1120)2(3150+170）2038004(636.3)32(1185)+(1185)2(3185+195）20310003(806.3)+1(636.3)32(1240)+1(1240)32(1240)+1(1240)25312503(808)+1(636.3)32(1400)+1(1400)32(1300)+1(1300)25316003(1008)+1(806.3)34(1185)+2(1185)34(1150)+2(1150)30420003(12510)+1(808)34(1240)+2(1240)34(1240)+2(1240)304250032(10010)+1(10010)34(1400)+2(1400)34(1300)+2(1300)304315032(12510)+1(12510)-404400032(12510)+1(12510)-404500033(12510)+1(12516)-40510/0.4kV（变比为25）变压器与低压断路器、互感器及母线等配合表附注：1.Ip-短路电流峰值；Ik-对称稳态三相短路电流有效值；短路电流计算以上级系统容量无穷大为计算条件。镀锌扁钢(mm2)BV电缆(mm2)VV电缆(mm2)裸铜绞线(mm2)25415015013525415015013540417017015040417017015040419519517040511201120170505115011501955051150115019550511501150195635118511851120805-124011501005-12401185808-13001240变压器低压侧中性点接地线选择变变压压器器与与断断路路器器配配合合选选用用推推荐荐表表变压器第一级容量额定电流短路电压 短路电流断路器kVA(A)U%kA型号/额定电流507042RMM1-100/100ARMM2-250/100A10014144RMM1-250/160ARMM2-250/160A 16022546RMM1-250/250ARMM2-250/250A20028947.23RMM1-400/315ARMM2-630/400ARMW1-630/630ARMW2-1600/400AME630/630A25036149.03RMM1-400/400ARMM2-630/400ARMW1-630/630ARMW2-1600/400AME630/630A315455411.4RMM1-630/500ARMM2-630/630ARMW1-630/630ARMW2-1600/630AME630/630A400577414.4RMM1-630/630ARMM2-630/630ARMW1-630/630ARMW2-1600/630AME630/630A500722418.1RMW1-800/800ARMW2-1600/800AME-800/800A630900422.7RMW1-1000/1000ARMW2-1600/1000AME1000/1000A8001155523.1RMW1-1250/1250ARMW2-1600/1250AME1250/1250A10001440528.9RMW1-1600/1600ARMW2-1600/1600AME1600/1600A12501804536.1RMW1-2000/2000AME2000/2000A16002310637RMW1-2500/2500AME2500/2500A20002887646.2RMW1-3200/3200AME3200/3200A25003601657.7RMW1-4000/4000AME3205/4000A31504451674RMW1-5000/5000A注：1.计算的依据：上级电网的短路功率为500MVA 变压器为10KV/400V2.断路器分断能力按S、H等级选用，如无标志分断能力可在S、H之间任选。ME1600/1600A第二级馈 电 开 关 的 选 用 型 号/额定电流短路电流100A160A200A250AkA2RMM1-100/100ARMM2-250/100A4RMM1-100/100ARMM1-250/160ARMM2-250/100ARMM2-250/160A6RMM1-100/100ARMM1-250/160ARMM1-250/200ARMM2-250/100ARMM2-250/160ARMM2-250/250ARMM1-100/100ARMM1-250/160ARMM1-250/200ARMM1-250/250A7.23RMM2-250/100ARMM2-250/160ARMM2-250/250ARMM2-250/250ARMM1-100/100ARMM1-250/160ARMM1-250/200ARMM1-250/250A9.03RMM2-250/100ARMM2-250/160ARMM2-250/250ARMM2-250/250A11.4RMM1-100/100ARMM1-250/160ARMM1-250/200ARMM1-250/250ARMM2-250/100ARMM2-250/160ARMM2-250/250ARMM2-250/250A14.4RMM1-100/100ARMM1-250/160ARMM1-250/200ARMM1-250/250ARMM2-250/100ARMM2-250/160ARMM2-250/250ARMM2-250/250A18.1RMM1-100/100ARMM1-250/160ARMM1-250/200ARMM1-250/250ARMM2-250/100ARMM2-250/160ARMM2-250/250ARMM2-250/250A22.7RMM1-250/200ARMM1-250/250ARMM1-100/100ARMM1-250/160ARMM2-250/250ARMM2-250/250ARMW1-630/630ARMM2-250/100ARMM2-250/160ARMW2-1600/200ARMW2-1600/400AME630/630AME630/630A23.1RMM1-250/200ARMM1-250/250ARMM1-100/100ARMM1-250/160ARMM2-250/250ARMM2-250/250ARMW1-630/630ARMM2-250/100ARMM2-250/160ARMW2-1600/200ARMW2-1600/400AME630/630AME630/630A28.9RMM1-250/200ARMM1-250/250ARMM1-100/100ARMM1-250/160ARMM2-250/250ARMM2-250/250ARMW1-630/630ARMM2-250/100ARMM2-250/160ARMW2-1600/200ARMW2-1600/400A变变压压器器与与断断路路器器配配合合选选用用推推荐荐表表RMM2-250/160A ME630/630AME630/630A36.1RMM1-250/200ARMM1-250/250ARMM1-100H/100A RMM1-250H/160ARMM2-250/250ARMM2-250/250ARMW1-630/630ARMM2-250/100ARMM2-250/160ARMW2-1600/200ARMW2-1600/400AME630/630AME630/630A37RMM1-250/200ARMM1-250/250ARMM1-100H/100A RMM1-250H/160ARMM2-250/250ARMM2-250/250ARMW1-630/630ARMM2-250/100ARMM2-250/160ARMW2-1600/200ARMW2-1600/400AME630/630AME630/630A46.2RMM2-250/250ARMM1-400H/250ARMM2-250/100ARMM2-250/160ARMM2-250/250AME630/630ARMW1-630/630AME630/630A57.7RMM2-250/100ARMM2-250/160ARMM2-250/250ARMM1-400H/250ARMM2-250/250ARMW1-630/630A74400A630A800A1000A1250ARMM1-400/400ARMM2-630/400ARMM1-400/400ARMM2-630/400ARMM1-400/400ARMM1-630/630ARMM2-630/400ARMM2-630/630ARMM1-400/400ARMM1-630/630ARMM1-800/800ARMM2-630/400ARMM2-630/630ARMW1-630/630ARMW1-630/630ARMW1-800/800ARMW2-1600/400A RMW2-1600/630ARMW2-1600/800AME630/630AME630/630AME800/800ARMM1-400/400ARMM1-630/630ARMM1-800/800ARMM2-630/400ARMM2-630/630ARMW1-630/630ARMW1-630/630ARMW1-800/800ARMW1-1000/1000ARMW2-1600/400A RMW2-1600/630ARMW2-1600/800ARMW2-1600/1000AME630/630AME630/630AME800/800AME-1000/1000ARMM1-400/400ARMM1-630/630ARMM1-800/800ARMM2-630/400ARMM2-630/