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/21/1095471343.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">半桥两个变压器驱动,上电就爆
各位,我的电路是否有短路的地方?
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/21/1095471343.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">
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/21/1095471343.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20');}" onmousewheel="return imgzoom(this);">全部回复(51)
正序查看
倒序查看
考虑到上电就爆,我把主回路,控制回路分开测试,当单独测试控制回路时候发现辅助电源的15伏变压器烫手,输出只有2伏左右,不知为什么??
后来在3525上直接加上15伏直流(电压源)各个引脚电压如下:
1-0.99v 2-1v 3-0.07v 4-5.5v 5-2.09v 6-4.3v
7-1.06v 8-6.28v 9-1v 10-0.01v 11-0.01v 12-0v
13-15v 14-0.01v 15-15v 16-6.64v
输出11和14示波器根本看不到波形!!我衰!!问题很多...
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/21/1095630879.jpg');}" onmousewheel="return imgzoom(this);">
后来在3525上直接加上15伏直流(电压源)各个引脚电压如下:
1-0.99v 2-1v 3-0.07v 4-5.5v 5-2.09v 6-4.3v
7-1.06v 8-6.28v 9-1v 10-0.01v 11-0.01v 12-0v
13-15v 14-0.01v 15-15v 16-6.64v
输出11和14示波器根本看不到波形!!我衰!!问题很多...
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/21/1095630879.jpg');}" onmousewheel="return imgzoom(this);"> 0
