三相电抗器电感计算程序-矩形铁芯版本号:V3.72011/6/23额定电流(A)电感量(mH)容量kVAR电压(V)导线材料铁心厚下限铁心厚上限片宽参考铁心厚3000.759.3866.0120200100147计算电感量mH修正系数温升电流倍数温升限值K折算温度℃绕组模半径频率0.7051.011.3510012040硅钢片牌号铁芯视截面叠片系数初选磁密T空损系数气隙个数气隙放置气隙(cm)计算磁密铁饼高度铁心进位120.000.960.851.2060.3850.8680350最小高度最大高度最大电密并绕根数叠绕根数最少层数最多层数树脂厚度气道树脂厚度计算电密绕组参考高5006002.0063340.00.01.93455窗内-绕组窗外-绕组相间距上下轭空隙气道数气道铜-铜端绝缘层绝缘匝绝缘幅向裕度轴向裕度10.010.010.010610.00.400.301.151.03额定匝数计算层数绕组厚绕组高绕组总高气道内层数气道内厚度气道外层数气道外厚度净重kg线厚线厚30320.90530.00550.0015.001.005.0074.291.182.12每层匝数导线截面平均匝长导线长计算电密窗内内径窗外内径窗内外径窗外外径毛重kg线宽线宽10.008.640.5817.901.93120.0140.0150.0194.077.307.505.00绕组电阻ΩI12R1100℃附加损耗W引线损耗W负载损耗W线价元/kg片价元/kg主材料成本片宽0.0024149747183778475.0021.001046110461100漏磁面积电抗高度每匝电压洛氏系数ρ漏电抗Ω衍射宽度衍射面积有效截面积主电抗Ω铁芯厚129.8348.502.200.980.010.3716.80136.800.21195片宽铁芯厚铁芯净截面窗高HW中心距MO计算磁密单位损耗重量kg空损系数空载损耗W额定匝数100120115.20560160.00.861.59222.11.2042440绕组内侧面散热系数气道散热面散热系数绕组外侧面散热系数总散热面积单位热负荷温升K温升系数层数8158.570.3016748.750.2410854.45117304.80825.6964.600.303计算完成!5508气隙(cm)1.385机型号ACL-300/0.7主磁通产生的电感(mH)0.676漏磁通产生的电感(mH)0.029铁芯数据绝缘距离输入数据绕组计算损耗计算漏抗计算绕组温升铁芯计算绕组数据电抗计算主电抗计算成本计算运算优化类型调整设计程序使用说明圆铜线净直径漆包直径a0.330.390.950.350.411.000.380.441.060.40.481.120.420.51.180.00圆铜线0.450.511.251扁铜线0.470.531.32优化设计35Z155500.75铜箔0.50.561.4调整设计H50601.00圆铝线0.530.61.51H182扁铝线0.560.631.65进位50W4703铝箔0.60.671.71进位4.0010.752.000.630.71.8150W47050扁铜线0.670.751.9一个端部0.710.792两个端部0.750.842.12只在中部0.80.892.243.000.850.942.36只在中部0.90.992.50.951.042.6511.112.81.061.1731.121.233.151.181.293.351.251.363.551.31.413.751.41.5141.51.614.251.61.724.5扁铜线运算调整设计程序使用说明1.71.824.751.81.9251.92.025.322.125.62.122.242.242.362.362.482.52.622.632.752.832.953.053.173.283.43.533.663.83.934.14.244.54.644.84.94bR2.650.502.800.503.000.503.150.53.550.53.750.540.54.250.54.50.54.750.550.655.30.655.60.6560.656.30.656.70.657.10.657.50.880.88.50.890.89.50.8100.810.60.811.20.811.8112.5113.21扁铜线141151161171181电抗器端电压V匝数层数及×=匝数×=分布6并3叠导线mm×尺寸×截面电密平均匝长总长导线重/`100℃I2RW附加损耗%引线损耗W负载损耗W硅钢片型号片宽铁心厚铁心视截面叠片系数铁芯净截面磁密T单位损耗W铁损系数空载损耗W窗高HW中心距MO气隙位置铁饼高铁心重kg中绕组厚相间距中心距MO气道外绕组厚铁心半长间隙内绕组厚气道2201107.5530轴向46.8514.8Ω75℃电阻91182kg绕组外径(两个半气道)20.5266.512655707515010只在中部位置1060565810.00916074.2977.307050.2190.215756013.620电抗器计算单65.970.7050.6760.0294240.96115.21.591541.25601.18SBEB1.931.487.88.63518辐向7840.57917.93.54311匝37.8辐向mm2A/mm2m10106m0.0027473730有限公司ACL-300/0.7AmHkVAR合同号日期0.759.38绝缘半径窗外300铁心长120弯角R窗内10050第1页40717共2页1047060222.0833.625303.62801001201200.858957.8113.54514.8586686铁心计算50W470516017.53.541.183.543.5431.181.380.08551.380.0851.380.083.54015530560辐向3辐向501.181.01计算电感量mH主电感量mH漏电感量mH电感量容量电流电抗计算值:电感修正系数漏电抗Ω主电抗Ω计算电抗Ω设计:校核:批准:`温升计算有限公司电抗器计算单日期40717合同号气隙处总有效截面积SM=16.8+115.2/.96=136.8cm^2漏电感计算ρ=1-2×((108.65-95.45)×0.1/(π×48.5))=.982ΣD=(2×π/32.09×9.211+π×8.1665^2-115.2/.96=129.83HC=(530-7.5×6)×0.1=48.5QC=(100×120×.96)/100=115.2行射面积SE=2×.37×(10+12+2×.37)=16.8cm^2Ld=(1.257×30^2×129.83×.982)/48.5×10^5=.029mH主电感计算气隙个数=6气隙QX=.385cm铁饼高度HFE=80mm行射宽度EF=.385/π×Ln((80/10+.385)/.385)=.37cmKC0=0.56×(10^1.6/530)^0.25=.3温升电流倍数:1.35气道数:.75KC1=0.56×(6^1.6/530)^0.25=.238主电抗Lm=(1.257×30^2×136.8)/(6×.385×10^5)×=.676mHACL-300/0.7共2页第2页S1N=3×81×2π/530×0.01=8158cm^2τ1=.3×825^0.8=64.6KSC1=((89.66+98.16)×2π-20)×.454×530×0.01=16748cm^2S1=8158×.3×16748×.238×10854×1=17304cm^2Q1=784/1.7304×1.35^2=825W/m^2S1W=108×2π×530×0.01=10854cm^2设计:校核:批准:92.11(两个半气道)98.1689.66等效半径绝缘半径第1页4071781.665铁心计算数据显示温升计算40717气隙处总有效截面积SM=16.8+115.2/.96=136.8cm^2漏电感计算ρ=1-2×((108.65-95.45)×0.1/(π×48.5))=.982ΣD=(2×π/32.09×9.211+π×8.1665^2-115.2/.96=129.83QC=(100×120×.96)/100=115.2行射面积SE=2×.37×(10+12+2×.37)=16.8cm^2Ld=(1.257×30^2×129.83×.982)/48.5×10^5=.029mH主电感计算气隙个数=6气隙QX=.385cm铁饼高度HFE=80mm行射宽度EF=.385/π×Ln((80/10+.385)/.385)=.37cmKC0=0.56×(10^1.6/530)^0.25=.3温升电流倍数:1.35气道数:.75KC1=0.56×(6^1.6/530)^0.25=.238主电抗Lm=(1.257×30^2×136.8)/(6×.385×10^5)×=.676mH第2页S1N=3×81×2π/530×0.01=8158cm^2τ1=.3×825^0.8=64.6KSC1=((89.66+98.16)×2π-20)×.454×530×0.01=16748cm^2S1=8158×.3×16748×.238×10854×1=17304cm^2Q1=784/1.7304×1.35^2=825W/m^2S1W=108×2π×530×0.01=10854cm^2电抗器设计程序框图I1—电流(A)L0—电感量(mH)循环变量:铁芯尺寸DD最高磁密BM最高电密IM绕组高度KEE线圈层数M22下一循环增大气隙尺寸不合格,不合格合格合格损耗计算计算线圈匝数计算磁密显示10个最优方案选取方案人工修改初始气隙尺寸线圈计算温升计算可行解方案排队主电感计算输入数据I1、L0确定循环计算变量计算P、U1、漏电感计算选线规Forδ=0.05To10Step0.05'由调气隙计算主电抗SE=Int(2*EF*(DOOL/10+DOOS/10)*10)/10SM=Int((QC/KQ+SE)*10)/10Lm=1.257*N1^2*SM/(NN*QX1*10^5)*KLIfLm=LmmThenExitFor'跳出循环Next4)总电感LL=Ld+Lm(mH)方案存盘打印计算单电抗器计算步骤1.输入数据I1—电流(A)L0—电感量(mH)I1—电流(A)L0—电感量(mH)2.计算电抗器功率、电压P=2π×f×I1^2×L0×3/1000000(kVAR)U1=P/I1/1.732*1000(V)3.漏感计算Ld=1.257×N1^2×DM×PP/HC×10^-5(mH)DM=2π/3×F×RF+π×(D11/2)^2-QC/KQρ=1-2×(D33/2-DOO/2)/(π×HC)式中:F-线圈幅向尺寸cmRF-线圈平均半径cmD11/2-线圈内半径cmD33/2-线圈外半径cmDOO/2-铁芯等效半径cmHC-线圈电抗高度cmQC-铁芯有效截面cm2KQ-叠片系数4.主电感计算选择单个气隙尺寸δδ=0.005cm开始,逐次增加。计算行射宽度EFEF=δ/π×ln((H+δ)/δ)cmH-铁饼高度,一般5cm计算行射面积SESE=2×E×(AM+BM+2×EF)cm^2AM-叠片总厚度cmBM-最大片宽cm计算气隙处总有效截面积SM=QC/KQ+SEcm2QC-铁芯有效截面KQ-叠片系数设定气隙个数n计算主电感Lm=1.257×W^2×SM/(n×δ×10^5)(mH)4.总电感LL=Ld+Lm(mH)5.程序中的计算步骤1)计算铁心与线圈2)计算漏电感Ld3)计算主电感Lm由给定值L0减去漏电感Ld,得主磁通所产生的主电感的目标值L;由确定的气隙数及已算得的各参数,计算主电感。先设定气隙δ=0.005,计算主电感Lm,每次将δ增大0.005,直到Lm=L0-Ld跳出计算。程序如下:Forδ=0.05To10Step0.05'由调气隙计算主电抗