跪求高手指点高频变压器设计!代工企业也请进!

变压器:工作频率100KHZ.EE16磁芯(如果饱和可换EE20).初级50V.次级(3组):1.3绕组每组1000V,4.4MA(0.0044A).2绕组2KV,8.8MA,变比为1:20:40:20,如何求初次级线径和匝数.
电路图如下:

请高手赐教,希望了解计算过程,谢谢!
QQ:99193432  
代工企业可联络15862196595  0516-87682825500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/63/2377201206532500.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">