EI硅钢片参数表

1、a=2c=A/3b=(12)ac=dc=A/6h=3c=A/2H=4c=2A/3B=5c=5A/6lc=(a/4+c+d/2)+(e/2+f/2+h)*2=(A-2c)/4+c+(B-h)/2+h*2=(A+2c)/4+(B+h)/2*2=2(c+h)+*（(A+2c)/4）2+（(B+h)/2）2-(c2+h2)lm=2*（a+b+2)+*cSC=a*bSM=c*hAP=SC*SMAZ=SC2*SM/lmlm线圈平均匝长GC（=*铁芯体积）V铁芯=A*H*bEIEI系系列列矽矽钢钢片片ModelA（总长）B（总高）a（舌宽）b(叠厚）d（脚宽）c（窗宽）h（窗高）EI-28282588441

2、710121416EI-30302510105515EI-353529.51057.519.53529.59.67.719.5EI-38.438.432.212.86.46.419.2EI-38.438.45212.86.46.438.4EI-414127136821413313821EI-424235147721EI-484840168824EI-505042149925EI-545445189927EI-575747.5199.59.528.5EI-60605020101030EI-66665522111133EI-757562.52512.512.537.5EI-76.276.263.5

3、25.412.712.738.1EI-78786526131339EI-78786722141439EI-84847028141442EI-85.885.871.528.614.314.342.9EI-96968032161648EI-10510587.5354417.517.552.5AaBchHd气隙?DefEI-1081089036181854EI-1141149538191957EI-12012010040202060EI-13213211044222266EI-133.2133.211144.422.222.266.6EI-14414412440262672EI-1501501255

4、0252575EI-152.4152.412750.825.425.476.2EI-16216213554272781EI-16816814056282884EI-171171142.55728.528.585.5EI-17417414558292987EI-18018015060303090EI-19219216064323296EI-210210175703535105EI-2402402008016040120H（E高）HoleSize(D)lC（磁路长度cm）lm（匝长cm） 叠厚系数KSC（截面积cm2）SM（窗口面积cm2）AP(面积积cm4）215.94.90.950.6080.

5、680.4134.00.760.5174.40.9120.6204.81.0640.7245.21.2160.827206.16.00.950.950.750.71324.57.57.525.77.845.511.5277.58.3283.58.5323.59.73410.3363.510.938411.5403.512.1444.513.35015.150.8515.452515.753516.256517.057.2517.3646.219.470621.221.70.9514.639.1875134.413lc=(a/4+c+d/2)+(e/2+f/2+h)*2=(A-2c)/4+c+(

6、B-h)/2+h*2=(A+2c)/4+(B+h)/2*2=2(c+h)+*（(A+2c)/4）2+（(B+h)/2）2-(c2+h2)lm线圈平均匝长V铁芯=A*H*bEIEI系系列列矽矽钢钢片片725.521.876723.080724.288726.688.8726.998730.0100830.3101.6830.8108832.7112933.9114934.5116935.11201036.31281038.81401042.41601048.5AZ（结构系数cm5）GC（铁芯重量）0.05236.00.09845.00.12954.00.16063.10.19372.10.113

7、46.088.182lc=(a/4+c+d/2)+(e/2+f/2+h)*2=(A-2c)/4+c+(B-h)/2+h*2=(A+2c)/4+(B+h)/2*2=2(c+h)+*（(A+2c)/4）2+（(B+h)/2）2-(c2+h2)绕组输入/出电压 V输入/出电流 A输入/出功率 W初级Primary12200.02675.8667次级Second180.554.4Second20Second30总功率4.4调整率U0.25频率f50负载B1.45K值1.25电流密度J4窗口利用Km0.21输出总功率p24.4线圈平均工作温度50求得铁芯截面Sc2.622由B值查钢片牌号为_的磁化曲线和

8、损耗曲线得：结构系数Az0.704磁感应强度磁场强度HA/cm铁损功率P W磁化电流IA钢片舌宽a13.22B105.70.0269（1-2）a b1.5B0197.40.051219.83B0(修正值）177.20.0458查EI铁芯规格表：折算到初级电流IA次级铜压降 V 舌宽a（mm）13Second10.0257Second1叠厚b（mm）16Second20.0000Second2窗高h（mm）21Second30.0000Second3磁路lC（cm）8.15初级有功电流I1A0.0289初级铜压降 V 匝长lm(cm)初级总电流IIA0.0395初次级铜损 W截面积SC（cm2）

9、1.976骨架型号负载电压窗口面积SM（cm2）骨架长a115空载电压面积积骨架高b117电压调整率铁芯重量kg0.124骨架侧厚0.5空载铁损每伏匝数（匝/V） 15.721431端空2.5每公斤铁损初级参数1电动势E1 V总圈数Ts裸线线径mm查线规表线径Primary1192.530260.0920.101参数2排线宽度mm可绕线高度mm每层圈数Ts绕线层数Primary17.769.3143.67次级参数1电动势E2 V总圈数Ts裸线线径mm查线规表线径Second191410.4190.488Second2000Second3000参数2排线宽度mm可绕线高度mm每层圈数Ts绕线层数

10、Second17.715.039.42Second20#DIV/0!#DIV/0!Second3#DIV/0!#DIV/0!小功率工频电源变压器的电压调整率变压器额定输出功率/VA3.796900349电压调整率（不大于）/%变压器线圈允许温升值（电阻法）空载B01.66对于1.65绝缘材料的耐温等级温度因子Z2.4A(105)E(120)铁损电流A空载电流AB(130)0.0032B0修正值F(155)0.00420.051H(180)0.00410.046小功率电源变压器的负载磁感应强度0.921586253电压调整率U/%#DIV/0!负载磁感应强度B/T#DIV/0!21.408165

11、17小功率电源变压器的Km值#DIV/0!输出功率P2（W）8.363226803Km10.1568340417.65911728经验值K取值9.549187814输出功率P2（W)7.179840461K值排绕系数Kp叠绕系数Kd20电阻热态铜阻1.11.1662.038740.215绕线厚度mm平均匝长cm各绕组长度m铜重量g4.98.6258.80615.39排绕系数Kp叠绕系数Kd20电阻热态铜阻Z=1.96*(234.5+T)/254.51.051.051.4991.676P1=5.55*0.01*f*f*B*B*Km/Z*Az*U/(1-0.5U)*(1-0.5U)#DIV/0!#

12、DIV/0!Az=P1*Z*(1-0.5U)*(1-0.5U)/(5.55*0.01*f*f*B*B*Km*U）#DIV/0!#DIV/0!变压器功率正比于B和j绕线厚度mm平均匝长cm各绕组长度m铜重量gB0=1.7T对于冲制铁芯一般取1.51.6T4.88.5412.08314.21B=B0(1-U/2)#DIV/0!00P1=P2/(1-U)#DIV/0!00功率容量与硅钢片材质关系表材料牌号50W35050W40050W47050W54050W60050W80050W100050W1300由B值查钢片牌号为_的磁化曲线和损耗曲线得：次级铜压降 V 小功率电源变压器的排绕和叠绕系数(无层

13、间绝缘）导线标称直径0.10.1120.60.6310102020606028.523179KT=(234.5+T)/254.5允许温升/K年平均温度Z=1.96KTz=25z=40z=55z=70752.40756045902.52907560451002.58958065501252.7785701502.971109530252015101.41.451.451.51.451.51.51.551.51.63310103030600.180.200.200.250.250.30.30.350-1010-5050-500500以上1.25-1.151.15-1.121.12-1.1012.4/2.52/2.58/2.77/2.97变压器容量材料铁损10W以下10100W60W以上P1.5/50备注3.50中高牌号4.004.705.40中等牌号6.008.00低牌号10.0013.00小功率工频电源变压器的电压调整率变压器线圈允许温升