电力变压器选型计算单.xls

变变压压器器计计算算单单型型式式：S9-3150/35S9-3150/35 OPB.X179H0.0111/2页额定容量：3150仟伏安产品代号1PBBX179H.100硅钢片牌号：30Q130片 厚：0.30叠片系数0.97铁 耗铁耗系数1.11铁芯直径：铁窝尺寸：净截面磁通密度：1.312W/KG净重(kg)总损耗300.0mmHW7354.1VA/KG1095.4铁芯柱厚(cm)：M0552649.415cm217.25KGS0.53VA/cm21096.9290铁29028026024021018015011080+299.82芯7715.52115171310105.024923629电电抗抗计计算算：=0.95K=1.02阻 抗%Uk%I0低压S13.3518/3=20.1Uk0%=6.52计算值6.570.55通道S22.2520.8 =46.8Ukr%=25054(103150)标准值70.70高压S34.5524.2/3 =36.7033=0.80空载电流计算IorS=103.6033Uk%=6.57Ior=0.120.53Ukx%=24.8166.7253103.60331.020.95/(24.901264.6510000)Io=0.55连接电压350.05联结组别Y Nd11油箱散热面计算M2油箱壁0.854876153510-6=6.36损 耗散热器（片式）7.638=61.04高 压I2R12818箱盖0.75(1.7660.672-0.122)=0.86涡流损耗1.74%223.00总散热面积6.36+61.04+0.86=68.26低 压I2R9726油箱单位散热量W/M2431.9油平均温升K33.6涡流损耗1.72%167高压q1=22.151.9623.1232181.0174758线头损耗5.00%温升0.8027108杂散损耗927WK30.803L=108短路损耗250543.10%24300Tx=19.1BH：52.8空载损耗3629-4.51%3800低压q2=22.169725.93.17871.01721076总 损 耗286832.07%28100温升0.734790.36组件选择规格K30.735L=90.36散热器Tx1=27.0BH：60.7储油柜440900油 面 温 升K长（mm）宽（mm）高（mm）风扇电动机4061104530735分接开关46530580套管B-20/400 3件BJL-35/315(100)3(1)件油量计算（kg)19硅钢片2492油 箱 1373132142201导线1001油 管312.0杂类1.15储油柜 57.017666721535器身总重4020器身排油 541.9箱壁展长:4876油 箱1546散热器1013总油重1200储油柜57特殊材料套管216352.5小车1090.0吹风设备1090.0散热器（片式）杂类1013油箱及附件1624油重1200油箱重1546.0总重6844重量(KG)油重KGPC1250-17/320126.68639片试散热器=8组杂散损耗面积:7.638=61.04Pz=2.1972125.56270212595.=927Wy值0.7464876646.5+2(333.5-208)2R=333.50=11.21KZ=2.19设计校核审查变变压压器器计计算算单单型型式式：S9-3150/35S9-3150/35 OPB.X179H0.0121/2页额定电压：350005%联结组：YNd11产品代号1PBX179H.100绕组：高压：3150仟伏安低压：3150仟伏安绝缘半径每匝电压et3675035000332506300150长度阻抗计算24.901221218202071919713电流51.962288.68/167163总匝数852811771253总匝数34180180分接匝数4140连续式线圈撑条数=10197线段数38 D2 E4 F6 H12 H230P8Q6R22208每段线匝18131310105 9/104 9/104 8/10219导线尺寸ZB-0.452 8.50ZB-0.452.2411.80462422.59.002.7412.30265导线截面16.6373并绕根数126.22并绕根数2265电流密度3.12323.1787265平均匝长1.52051.1310出头长度0.4265242总长1233.11295.5286.54265电阻75主分接1.582421.6624(最大分接)0.11672I2R(W)12817.8513465.869725.9530重量（kg)575.47/5911000.75401.16/41022绕绕 组组 尺尺 寸寸552M0高 压低 压匝长计算(M)辐向轴向辐向轴向 DH=20.182.5导线高952=4685.484412.3=541.2 =1.13118垫块104.5=45626=12 DH=4546=2432.88413=123 =2%373=111=676.2HH=20.242466482%压缩率9.78%=1.5205压缩量:18压缩率10.00%压缩后:6631.5205811=123363034压缩量1.5205852=129510513.272HH=HW735纵绝缘变压比校核：HW735HKBH 630HKCP 646.5HKHH 663-0.006%-0.035%0.25%涡流损耗计算KH:20.005%3.8(5016.6373218520.95)%1076301.74%223 W变比满足要求KL:2单价材料量总价3.8(502.242532260.95)%铜40100140030107663硅钢片4124921009341.72%167W油712008398铁416246496设计校对审核总成本价155858成本核算：铜1000.753434025.5硅钢片2492.230.475763.163油120078397.5997铁162469744.2529127931绝缘分布图：按每张400V电压考核层数：2345678910111213141516171819202122232425262728293031323334353637383940磁通密度：估算铁芯铁芯K:53铁芯直径:301.7铁芯重量:2609.90空载损耗3800铁心角重319.60K0.55290铁心窗高764A22903026B25834C(122.6923)油平均温升K(估算)Q36.6480.0总散热面积61油管面积54 500.262750.3121000.3621250.4121500.4621750.5122000.5622250.6122500.662高压电流密度2.73高压总导线截面积#VALUE!低压总导线截面积52.4348低压电流密度5.50550397819主通道3低线圈每层匝数12低压线圈层数23层间电压598纵绝缘的厚度70高压线圈每层匝数(1)高压线圈层数-852层间电压(50)99.6048绝缘端圈裕度47655379305阻抗计算