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以反饋式電流不連續(xù)電源高頻變壓器為例的設(shè)計方??/h3>
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<span>文章出處??a href=""><a >深圳市晨飛電子有限公??/a></a></span><span>網(wǎng)責(zé)任編輯：<a >NSW</a></span><span>作者：<a >NSW</a></span><span>人氣??span
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<p> 設(shè)計<strong>高頻變壓??/strong>是電源設(shè)計過程中的難點，下面以反饋式電流不連續(xù)電源高頻變壓器為例，介紹一種電??strong>高頻變壓??/strong>的設(shè)計方法??/p>
<p> 設(shè)計目標(biāo)：電源輸入交流電壓在180V~260V之間，頻率為50Hz，輸出電壓為直流5V??4A，功率為70W，電源工作頻率為30KHz。設(shè)計步驟：</p>
<p> 1、計算高頻變壓器初級峰值電流Ipp<br />
2、求最小工作周期系數(shù)Dmin<br />
3、計算高頻變壓器的初級電感值Lp<br />
4、計算出繞組面積Aw和鐵心有效面積Ae的乘積Aw*Ae,選擇鐵心尺寸??br />
5、計算空氣間隙長度Lg<br />
6、計算變壓器初級線圈Np<br />
7、計算變壓器次級線圈Ns<br />
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