回复 #20 lilyorid 的帖子
我改了care1=B1*H1 !低压包截面积
CSYM1=1 !绕组对称系数
FILL1=sperturn1*turn1/care1 !绕组填充系数
volu1=care1*3.1415926*(D10+B1) !线圈体积
r,21,care1,turn1,volu1,0,1,0, !低压包实常数
RMORE,CSYM1,FILL1, 有一点点进展
我把负载(原为电容)改为纯电阻,可能给大了点(希望可以调),高低压绕组电流如图
问题是:我发现我的三相电流是等相位或者是反向位的,能解决一下么?
一个周期内铁芯磁密如下,我设计时1.5T,ansys里的单位为高斯,因此理想值为15000,但是我的结果相差10^6~10^7,我找了很久的原因找不出来,实常数我也该过了,不知该如何了
[ 本帖最后由 ponderadams 于 2007-4-6 18:50 编辑 ]
回复 #22 ponderadams 的帖子
变压器应该是高压线圈通电的,感觉你的程序中交流电流源与变压器的连接好像不对,你再看看 不好意思,我的变压器是要求的,350/36000V,400Hz,设计上与一些变压器不一样如果大家能帮忙解决问题,感激不尽,我觉得可能2d能做出来,但是基于很多情况下,我觉得2d不会太准确,所以用3d 下面是我的一个错误结果:我把其中的一相摘录出来,其他两相的相位同向和反向
结果显示连线电阻上电流很大,线圈电流却很小,功率也然,不知怎么回事
我想把三相中各相电源相互独立开来,我怀疑形成环流了
EL= 82701RESISTOR CIRCU124KOPT(1)= 0 !相间连线电阻
NODES = 17110 17105
RES = 0.10000E-05 (Ohm)
VOLTAGE =260.17 (Volt) (real)
CURRENT = 0.26017E+09 (Ampere)(real)
POWER (LOSSES) = 0.67691E+11 (Watt) (real)
EL= 82702STRANDED COIL CURRENT SOURCE CIRCU124KOPT(1)= 5 !一次侧线圈
NODES = 17105 17106 4084
SCAL =1.0000
VOLTAGE = -260.17 (Volt) (real)
CURRENT = 0.16588E-02 (Ampere)(real)
POWER (ABSORP) =-0.43158 (Watt) (real) (output if negative)
EL= 82705INDEPENDENT VOLTAGE SOURCE CIRCU124KOPT(1)= 4 !独立电压源
NODES = 17105 17106 17116
VOLTAGE SOURCE = -262.78 (Volt) (real)
VOLTAGE = -260.17 (Volt) (real)
CURRENT = 0.26017E+09 (Ampere)(real)
POWER (ABSORP) =-0.67691E+11 (Watt) (real) (output if negative)
EL= 82708STRANDED COIL CURRENT SOURCE CIRCU124KOPT(1)= 5 !二次侧线圈
NODES = 17111 17114 1092
SCAL =1.0000
VOLTAGE = -1.5907 (Volt) (real)
CURRENT =-0.28922E-04 (Ampere)(real)
POWER (LOSSES) = 0.46006E-04 (Watt) (real)
EL= 82709CAPACITOR CIRCU124KOPT(1)= 2 !二次侧电容负载
NODES = 17111 17115
CAP = 0.15315E-07 (Farad) VC0=0.0000 (Volt)
VOLTAGE = 0.94426 (Volt) (real)
CURRENT = 0.28922E-04 (Ampere)(real)
POWER (LOSSES) = 0.27310E-04 (Watt) (real)
[ 本帖最后由 ponderadams 于 2007-4-18 08:58 编辑 ] 一次侧三角形相间连线断开后,结果同上面的很相似,我的变压器是升压的,结果二次侧电压和电流都比预想设计的要低
为什么一次侧电流会这么小呢,是不是我建模时实常数有问题,或者电阻率有问题呀,高手们,帮我看看
EL= 82701STRANDED COIL CURRENT SOURCE CIRCU124KOPT(1)= 5 !一次侧线圈
NODES = 17109 17110 1636
SCAL =1.0000
VOLTAGE = -262.78 (Volt) (real)
CURRENT =-0.17338E-02 (Ampere)(real)
POWER (LOSSES) = 0.45560 (Watt) (real)
EL= 82702INDEPENDENT VOLTAGE SOURCE CIRCU124KOPT(1)= 4 !独立电压源
NODES = 17105 17106 17116
VOLTAGE SOURCE = -262.78 (Volt) (real)
VOLTAGE = -262.78 (Volt) (real)
CURRENT =-0.16555E-02 (Ampere)(real)
POWER (LOSSES) = 0.43504 (Watt) (real)
EL= 82705STRANDED COIL CURRENT SOURCE CIRCU124KOPT(1)= 5 !二次侧线圈
NODES = 17111 17114 1092
SCAL =1.0000
VOLTAGE = -2.7901 (Volt) (real)
CURRENT =-0.29029E-04 (Ampere)(real)
POWER (LOSSES) = 0.80993E-04 (Watt) (real)
EL= 82708CAPACITOR CIRCU124KOPT(1)= 2 !二次侧电容负载
NODES = 17112 17115
CAP = 0.15315E-07 (Farad) VC0=0.0000 (Volt)
VOLTAGE =-0.90514 (Volt) (real)
CURRENT =-0.27724E-04 (Ampere)(real)
POWER (LOSSES) = 0.25094E-04 (Watt) (real) 楼主的问题怎么解决的,可以透漏一下吗?是不是97单元的实常数定义问题?谢谢
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