• 采区设计图纸 > 变压器设计图纸
  • 变压器设计图纸

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    文档作者:MC SYSTEM
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    "Sheet1"
    "变压器设计图纸"
    "项目"
    ,,"电压(V)","电流(A)","功率(W)"
    "输出电压",1,5,2,10
    ,2,16,1,16
    ,3,16,1,16
    ,4,25,0.5,12.5
    ,5,3,0.5,1.5
    ,6,,,0
    ,7,,,0
    ,8,,,0
    ,9,,,0
    ,"Vfb",12,0.05,0.6
    ,,"公式","数值","单位"
    "输出总功率","Po",,60,"W"
    "输入功率","Pi","Pi=Po/h",85.71428571,"W"
    "效率","h","70~80%",0.7
    "最大占空比","Dmax",,0.35
    "最小输入电压","Vmin","mmin*√2-30",120,"V"
    "工作频率"," ",,60,"KHz"
    "导通时间","Ts","1000000/ ",16.66666667,"us"
    "最大导通时间","Ton","Dmax*Ts",5.833333333,"us"
    "磁芯有效面积","Ae",,105,"mm","型号"
    "磁通密度","Bm","200~300mT",0.18,"mt"
    "初级匝数","Np","Vmin*Ton/Bm*Ae",37.03703704,"修正值",40
    "初级每伏匝数","Ns","Vmin/Np",3
    "变压器参数",,,,,"线径","二极管"
    "初级匝数","Np","Vmin*Ton/Bm*Ae",,"修正值"
    "次级各匝数","N1","N1=(V1+VF)/Ns",1.9,2
    ,"N2","N2=(V2+VF)/Nd",5.859649123,7
    ,"N3","N3=(V3+VF)/Nd",5.859649123,7
    ,"N4","N4=(V4+VF)/Nd",9.01754386,9
    ,"N5","N5=(V5+VF)/Nd",1.298245614,1
    ,"N6","N6=(V6+VF)/Nd",0.245614035
    ,"N7","N7=(V7+VF)/Nd",0.245614035
    ,"N8","N8=(V8+VF)/Nd",0.245614035
    ,"N9","N9=(V9+VF)/Nd",0.245614035
    ,"NVFB","NVfb=(Vfb+VF)/Nd",4.456140351,6
    "初级电感量","Lp","Lp=(Vmin*△T)/△I",119.6581197,200
    "计算新的匝数比","Nd","Nd=(V1+VF)/N1",2.85
    "计算△T",,"△T=(Ts*Nd)/(Nd+Ns)",8.11965812
    "平均输入电流","Ip","Pi/Vmin",0.714285714
    "计算IM","Im","Im=(Ip*Ts)/Ton",8.142857143
    "计算IP1","Ip1","Ip1=Im/2",4.071428571
    "计算IP2","Ip2","Ip2=3Ip1",12.21428571
    "计算△I",,"△I=Ip2-Ip1",8.142857143
    "初级电感量","Lp","Lp=(Vmin*△T)/△I",119.6581197
    "计算磁芯电感系数","Al","Al=Lp/(Np*Np)",0.074786325
    "磁芯气隙","Lg","Lg=(uo*Np*Np*Ae)/Lp","1.76432E-06"
    "二极管最大反向电压","Vmax","Vo+(Nc/Np)*Uimax"
    "Sheet2"
    "Sheet3"
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