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type="text/javascript"> var OBJ_TITLE = "開關(guān)電源通電燒變壓器的原因分析？"; var OBJ_ID = "577"; var MARK = "news"; var ARR_AD_MARK = ["news_detail_1", "news_detail_2", "news_detail_3"]; var SID = "0001,0002,0006"; //權(quán)限ID var AUTHORITY_ID = ""; </script> <script src="/JS/Cls_jsPage.js"></script>  <div id="6aplaizydtj" class="content"> <div id="6aplaizydtj" class="plc2"> 當(dāng)前位置??a href="/">首頁</a> » <a href="/news/">資訊中心</a> » <a href="/News/News-0001,0002,0006.shtml"> 晨飛資訊</a> » <a href="/Article/kaiguandianyuantongd_1.html">開關(guān)電源通電燒變壓器的原因分析？</a></div> <div id="6aplaizydtj" class="list4nr"> <div id="6aplaizydtj" class="n_info_con" id="printableview"> <h3> 開關(guān)電源通電燒變壓器的原因分析？</h3> <div id="6aplaizydtj" class="info_con_tit"> <div id="6aplaizydtj" class="info_con_tit"> <div id="6aplaizydtj" class="n_tit"> <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 id="cntrHits">-</span></span><span>發(fā)表時間??016-04-23 14:36:00</span> <div id="6aplaizydtj" class="newchang">  <div class="6aplaizydtj" id="ckepop"> <a class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank">分享到：</a> <a class="jiathis_button_qzone">QQ空間</a> <a class="jiathis_button_tsina"> 新浪微博</a> <a class="jiathis_button_tqq">騰訊微博</a> <a class="jiathis_button_tsohu">搜狐微博</a> <a class="jiathis_button_t163">網(wǎng)易微博</a> <a class="jiathis_button_tools_1"></a><a class="jiathis_button_tools_2"></a> </div> <script type="text/javascript"> var jiathis_config = { "data_track_clickback": true };</script> <script type="text/javascript" src="http://v2.jiathis.com/code/jia.js?uid=899792" charset="utf-8"></script>  </div> </div> </div> </div> <div class="6aplaizydtj" id="cntrBody"> <p></p> <p></p> <p class="MsoNormal"><a href="http://m.linhang.com.cn/"><strong><span style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family: 宋體;mso-font-kerning:0pt">開關(guān)電源變壓器</span></strong></a><span style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family: 宋體;mso-font-kerning:0pt">在現(xiàn)在電路中使用的比較常見，我們在自己實驗時，自己做開關(guān)電源變壓器時，由于也是新手常常會出現(xiàn)各種各樣的故障，讓自己摸不到頭腦，今天小編就分析總結(jié)了在做開關(guān)電源變壓器時常常遇到的開關(guān)電源通電時把變壓器給燒壞的原因，主要是對各種材料，匝數(shù)，隔離絕緣，同名端的連接等情況進(jìn)行入手，希望小編總結(jié)的對于讀者來說能減少一些學(xué)習(xí)彎路??/span></p> <p class="MsoNormal"><br /> <img width="217" height="217" alt="立式高頻變壓?? src="http://m.linhang.com.cn/UploadFiles/Product/20120703173338_98261.jpg" /></p> <p align="left" class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt: auto;text-align:left;mso-pagination:widow-orphan"><span style="font-size:12.0pt; font-family:宋體;mso-bidi-font-family:宋體;mso-font-kerning:0pt">變壓器的磁性材料，初級電感量，初次級匝數(shù)比，線徑，阻隔絕緣情況??span lang="EN-US"><br /> </span>這些都需要查看和觀測，開關(guān)方式的電源和通常變壓器線性電源差異大，參數(shù)不對、作業(yè)波形不正常等都有也許燒器材??</span></p> <p align="left" class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt: auto;text-align:left;mso-pagination:widow-orphan"><span lang="EN-US" style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family:宋體;mso-font-kerning: 0pt"><br /> </span><span style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family:宋體; mso-font-kerning:0pt">同名端不對，按圖是不能構(gòu)成自激驅(qū)動的條件，次級（輸出級）的極性是準(zhǔn)確的，反激構(gòu)造，輸出反應(yīng)操控實踐是過壓操控型，輸出超??span lang="EN-US">5.2V</span>擺布就反應(yīng)起控??</span></p> <p align="left" class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt: auto;text-align:left;mso-pagination:widow-orphan"><span style="font-size:12.0pt; font-family:宋體;mso-bidi-font-family:宋體;mso-font-kerning:0pt">要注意反應(yīng)操控光??span lang="EN-US">PC817</span>的轉(zhuǎn)換率，轉(zhuǎn)換率過高則帶負(fù)載也成問題，變壓器的初級電感量不能太大，要注意磁性材料的運用，這樣的變壓器肯定是要開氣隙??墊氣隙片的，輸出主濾波電容要注意其串聯(lián)等效電阻和等效電感值??</span></p> <p align="left" class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt: auto;text-align:left;mso-pagination:widow-orphan"> </p> <p class="MsoNormal"><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">以上就是小編總結(jié)的關(guān)于在自制開關(guān)電源變壓器的時候經(jīng)常燒壞的原因分析總結(jié)，希望對于剛學(xué)習(xí)開關(guān)電源變壓器的讀者能夠起到幫助，如果還有什么不明白的，歡迎咨詢</span></p> <p> </p> </div> <div id="6aplaizydtj" class="apage" id="showfenye">  <script type="text/javascript"> var pagecont=1; if(pagecont > 2) { var ss = new Cls_jsPage(1, 1, 5, "ss"); ss.setPageSE("kaiguandianyuantongd_", ".html"); ss.setPageInput("Page"); ss.setUrl(""); ss.setPageFrist("<a disabled='true'class='ob'>首頁</a>", "首頁"); ss.setPagePrev("<a disabled='true'class='ob'>上一??/a>", "上一??); ss.setPageNext("<a disabled='true'class='ob'>下一??/a>", "下一??); ss.setPageLast("<a disabled='true'class='ob'>尾頁</a>", "尾頁"); ss.setPageText("{$PageNum}", "{$PageNum}"); ss.setPageTextF("{$PageTextF}", "{$PageTextF}"); ss.setPageSelect("{$PageNum}", "{$PageNum}"); ss.setPageCss("o", "", ""); ss.setHtml("<div id="6aplaizydtj" 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