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高頻變壓器怎么會(huì)發(fā)燙

我的機(jī)用24v,是串雙硅的,電容是15uf,關(guān)斷電容是55的,1.0的線(xiàn)兩根并繞100圈,變壓器是85的6+6,次級(jí)174圈,橋式整流,頻率是8k,變壓器發(fā)燙是怎么回事
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luojun
LV.8
2
2009-06-12 19:49
呵呵,說(shuō)了這么多,就是沒(méi)有提到用什么變壓器的,變壓器用什么參數(shù)的!
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
  500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
   500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
    500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
     500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
      500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
       500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
        500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
         500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
          500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
           500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}" onmousewheel="return imgzoom(this);">
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2009-06-12 20:20
@luojun
呵呵,說(shuō)了這么多,就是沒(méi)有提到用什么變壓器的,變壓器用什么參數(shù)的![圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">  [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">  [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">    [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">    [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">      [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">      [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">        [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">        [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">          [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">          [圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/78/1287111244807251.gif');}"onmousewheel="returnimgzoom(this);">
變壓器是ee85的,初級(jí)6+6,次級(jí)174圈的
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zxc789
LV.6
4
2009-06-12 21:38
@dongyangyang
變壓器是ee85的,初級(jí)6+6,次級(jí)174圈的
發(fā)熱是正常,只要不是很熱就好了,可以加個(gè)風(fēng)扇啊.你那個(gè)變壓器又沒(méi)有說(shuō)清楚是用多大的線(xiàn)?
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2009-06-12 21:49
他激?自激?初級(jí)線(xiàn)多大?發(fā)熱少些是正常,(比場(chǎng)管發(fā)熱好)發(fā)燙就不好了.
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2009-06-12 22:22
@兄弟電器
他激?自激?初級(jí)線(xiàn)多大?發(fā)熱少些是正常,(比場(chǎng)管發(fā)熱好)發(fā)燙就不好了.
初級(jí)的線(xiàn)是7平方的6+6,次級(jí)174匝0.8的線(xiàn),是3525推場(chǎng)管推小變壓器的,頻率是8k的,電了一會(huì)兒變壓器發(fā)燙,變壓器的聲音也不對(duì)了,好像功率變小了
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2009-06-12 22:27
@dongyangyang
初級(jí)的線(xiàn)是7平方的6+6,次級(jí)174匝0.8的線(xiàn),是3525推場(chǎng)管推小變壓器的,頻率是8k的,電了一會(huì)兒變壓器發(fā)燙,變壓器的聲音也不對(duì)了,好像功率變小了
如果是高頻的,就是頻率低了,電流大,就熱,改頻率試下
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2009-06-12 22:29
@dongyangyang
初級(jí)的線(xiàn)是7平方的6+6,次級(jí)174匝0.8的線(xiàn),是3525推場(chǎng)管推小變壓器的,頻率是8k的,電了一會(huì)兒變壓器發(fā)燙,變壓器的聲音也不對(duì)了,好像功率變小了
我用了兩個(gè)風(fēng)扇,接次級(jí)抽頭150圈時(shí)發(fā)熱好點(diǎn)
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tby2008
LV.9
9
2009-06-12 22:40
@dongyangyang
初級(jí)的線(xiàn)是7平方的6+6,次級(jí)174匝0.8的線(xiàn),是3525推場(chǎng)管推小變壓器的,頻率是8k的,電了一會(huì)兒變壓器發(fā)燙,變壓器的聲音也不對(duì)了,好像功率變小了
董哥!
12V工作時(shí) 變壓器熱嘛
應(yīng)該還是后級(jí)問(wèn)題
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2009-06-12 22:42
@tby2008
董哥!12V工作時(shí)變壓器熱嘛應(yīng)該還是后級(jí)問(wèn)題
12伏不熱的
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豆芽菜
LV.8
11
2009-06-12 22:46
@dongyangyang
12伏不熱的
驅(qū)動(dòng)不足電流增大吧
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tby2008
LV.9
12
2009-06-12 22:50
@dongyangyang
12伏不熱的
24V時(shí)  接1000W負(fù)載 頻率開(kāi)到5檔
也就是頻率不要太高  變壓器會(huì)熱嘛
是磁芯熱 還是初級(jí)線(xiàn)圈熱啊
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tby2008
LV.9
13
2009-06-12 22:52
@tby2008
24V時(shí)  接1000W負(fù)載頻率開(kāi)到5檔也就是頻率不要太高  變壓器會(huì)熱嘛是磁芯熱還是初級(jí)線(xiàn)圈熱啊
睡覺(jué)了  明天晚上QQ幫你找原因
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2009-06-15 18:38
@tby2008
睡覺(jué)了  明天晚上QQ幫你找原因
怎么沒(méi)人幫忙呀
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shanghaibs
LV.8
15
2009-06-20 18:00
變壓器應(yīng)該不小了,原則上應(yīng)該不發(fā)熱.我認(rèn)為是前級(jí)頻率太低造成的,改變一下頻率試一下.用20K.
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