![](http://u.dianyuan.com/bbs/u/76/1278851239178935.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
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![](http://u.dianyuan.com/bbs/u/76/1278851239178945.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
500) {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/76/1278851239178945.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">
我是业余玩的,因为有充足的时间,捡到一堆垃圾
![](http://u.dianyuan.com/bbs/u/76/1278851239179153.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
500) {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/76/1278851239179153.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">
想用12V做1000W,真的好难.只能做到800W,
1:输入线与主变连接有很大的压降,主变的工艺要很好.
2:并管难,以上我的4对3205都是全新的一至的,曾经用过不一至的管,其中个别发热,很是头痛.
3:如要闭环稳压,必须在高压整流与滤波电容间串联电感,我用EE42/1.0线绕150圈,否则3205的温度一直上升.
4:为了保险,必须加风冷.
我的主变规格:EE55加厚,频率=25KHZ,输入组=2T(0.5线/12*4组=48条)+2T(0.5线/12*4组=48条),输出线用0.5线*10条/45T,绕法是先绕输入组后绕输出组.
主变输入组的出线一定不能大意,我曾经电烙铁功率不够,造成包线而两边不对称,后用大功率电烙铁把线头全部上锡后再焊上.
管与散热片要处理好,绝缘片不要太厚,最好加散热胶,曾经试过管很热而散热片一点都不热,造成走弯路.