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/20/1092160689.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">一种逆变线路,请教变压器?
曾做过试验为双线并绕18匝,N3为350匝、N4、N5为13匝、N6为30匝,输出功率为230V100W,常烧坏BG1、BG2.(注:N1、N2直径1.2,N3-N6直径0.41.但想输出功率达到350V250W,变压器匝数应多少为最佳?
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