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晨飞资讯</a> » <a href="/Article/yifankuishidianliubu_1.html">以反馈式电流不连续电源高频变压器为例的设计方?/a></div>
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以反馈式电流不连续电源高频变压器为例的设计方?/h3>
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<span>文章出处?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电子有限公?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气?span
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<p> 设计<strong>高频变压?/strong>是电源设计过程中的难点，下面以反馈式电流不连续电源高频变压器为例，介绍一种电?strong>高频变压?/strong>的设计方法?/p>
<p> 设计目标：电源输入交流电压在180V~260V之间，频率为50Hz，输出电压为直流5V?4A，功率为70W，电源工作频率为30KHz。设计步骤：</p>
<p> 1、计算高频变压器初级峰值电流Ipp<br />
2、求最小工作周期系数Dmin<br />
3、计算高频变压器的初级电感值Lp<br />
4、计算出绕组面积Aw和铁心有效面积Ae的乘积Aw*Ae,选择铁心尺寸?br />
5、计算空气间隙长度Lg<br />
6、计算变压器初级线圈Np<br />
7、计算变压器次级线圈Ns<br />
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