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<script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="yq00aqiue" class="ncontent w_1100"> <div id="yq00aqiue" class="h-6">技術(shù)文章<span>您當(dāng)前的位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 交直流高壓試驗變壓器產(chǎn)品結(jié)構(gòu)與原理</span></div>  <div id="yq00aqiue" class="n-3 c-news"> <div id="yq00aqiue" class="newsnr"> <h1>交直流高壓試驗變壓器產(chǎn)品結(jié)構(gòu)與原理</h1> <p class="source"><span>日期：2024-09-10</span><span>瀏覽：648次</span></p> <div> <h1 style="margin-top:0;margin-bottom:0;line-height:33px"><strong><span style="font-family: 宋體;font-size: 19px">交直流高壓試驗變壓器產(chǎn)品結(jié)構(gòu)與原理</span></strong></h1><h1 style="margin-top:0;margin-bottom:0;line-height:33px"><strong><span style="font-family: 宋體;font-size: 19px">交直流高壓試驗變壓器產(chǎn)品結(jié)構(gòu)：</span></strong><strong></strong></h1><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px">YDJ-（G）、TDM（G）型試驗變壓器采用單框芯式鐵芯結(jié)構(gòu)。初級繞組繞在鐵芯上，高壓繞組在外，這種同軸布置減少了漏磁通，因而增大了繞組間的耦合。產(chǎn)品的外殼制成與器芯配合較佳的八角形結(jié)構(gòu)，整體外形顯得美觀大方。其外部結(jié)構(gòu)圖見圖1，內(nèi)部結(jié)構(gòu)圖見圖2。</span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img59.chem17.com/9/20240910/638615542613478573670.png" width="434" height="282" title="2e12d6a7-cb2f-48f0-a971-83857fd70b8f.png" alt="2e12d6a7-cb2f-48f0-a971-83857fd70b8f.png"/></p><p style="text-align:center;line-height:150%"><span style=";font-family:宋體;font-size:14px"> </span><br/></p><p style="margin-left:65px;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">圖</span><span style="font-family:宋體">1：單臺YDJ-（G）、TDM（G）試驗</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">圖</span><span style="font-family:宋體">2：單臺試驗變壓器內(nèi)部結(jié)構(gòu)圖 </span></span></p><p style="margin-left:65px;line-height:33px"><span style=";font-family:宋體;font-size:19px">變壓器外部結(jié)構(gòu)示意圖</span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">1-短路桿D</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">2-均壓球</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">3-高壓套管</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">4-變壓器提手</span></span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">5-油閥</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">6~7-次壓輸入</span></span><span style=";font-family:宋體;font-size:19px">a</span><span style=";font-family:宋體;font-size:19px">、</span><span style=";font-family:宋體;font-size:19px">x</span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">8~9-測量端子E、F</span></span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">10-變壓器外殼接地端</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">11-高壓尾X</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">12-高壓輸出A</span></span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">13-高壓硅堆</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">14-變壓器油</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">15-鐵芯</span></span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">16-次低壓繞組</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">17-測量繞組</span></span> <span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">18-二次高壓繞組</span></span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">在</span><span style="font-family:宋體">YDJ-（G）、TDM（G）試驗變壓器中，a、x為低壓輸入端子，E、F為儀表測量端子，A、X為高壓輸出。YDJ-（G）系列中無高壓硅堆。</span></span></p><h1 style="margin-top:0;margin-bottom:0;line-height:33px"><strong><span style="font-family: 宋體;font-size: 19px">四、交直流高壓試驗變壓器工作原理</span></strong><strong></strong></h1><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px">YDJ-（G）、TDM（G）型試驗變壓器為單相變壓器，連結(jié)組I. I. 用工頻220V（10KVA以上為380V）電源接入∕XC∕TC（為本公司生產(chǎn)的試驗變壓器專用設(shè)備，詳細資料請見其具體使用說明書）系列操作箱（臺），經(jīng)操作箱內(nèi)自耦調(diào)壓器（50KVA以上調(diào)壓器外附）調(diào)節(jié)至0-200V（或0-400V）電壓輸出至YDJ-（G）、TDM（G）試驗變壓器的初組繞組，根據(jù)電磁感應(yīng)原理，在試驗變壓器高壓繞組可獲得試驗所需的高電壓。</span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px">1、單臺YDJ-（G）試驗壓器的工作原理圖見圖3</span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img49.chem17.com/9/20240910/638615542940237578840.png" width="441" height="284" title="6763fcce-4db1-42ab-861f-7247e063cd15.png" alt="6763fcce-4db1-42ab-861f-7247e063cd15.png"/></p><p style="text-align:center;line-height:150%"><span style=";font-family:宋體;font-size:14px"> </span><br/></p><p style="text-align:center;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">圖</span><span style="font-family:宋體">3：單臺YDJ-（G）試驗變壓器原理圖</span></span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px">2、單臺TDM（G）試驗變壓器的工作原理圖見圖4，圖中高壓套管中裝有高壓硅堆，串接在高壓回路中作半波整流，以獲得直流高電壓。當(dāng)用一短路桿將高壓硅堆短接時，可獲得工頻高電壓，作為交流輸出狀態(tài)；取消短路桿時，作為直流輸出狀態(tài)。</span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img44.chem17.com/9/20240910/638615543156585510771.png" width="464" height="267" title="b935fbcc-5c2a-4a22-9900-266dfcb9fff1.png" alt="b935fbcc-5c2a-4a22-9900-266dfcb9fff1.png"/></p><p style="text-align:center;line-height:150%"><span style=";font-family:宋體;font-size:14px"> </span><br/></p><p style="text-align:center;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">圖</span><span style="font-family:宋體">4：單臺TDM（G）試驗變壓器原理圖</span></span></p><p style="text-align:center;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">圖中：</span><span style="font-family:宋體">D </span></span><span style=";font-family:宋體;font-size:19px">–</span><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">短路桿</span></span> <span style=";font-family:宋體;font-size:19px">VD </span><span style=";font-family:宋體;font-size:19px">–</span><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">高壓硅堆</span></span></p><p style="margin-left:0;text-indent:37px;line-height:33px"><span style="font-family:宋體;font-size:19px">1、 </span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">三臺試驗變壓器串級獲得更高電壓的結(jié)線原理見圖</span><span style="font-family:宋體">5。串級高壓試驗變壓器有很大，因為整個試驗裝置由幾臺單臺試驗變壓器組成，單臺試驗變壓器容量小、電壓低、重量輕，便于運輸和安裝。它既然可串接成高出幾倍的單臺試驗變壓器輸出電壓組合使用，又可分開成幾套單臺試驗變壓器單獨使用。整套裝置投資小，經(jīng)濟實惠。圖5中，在第一級和第二級的每個單元試驗變壓器中都有一個勵磁繞組A</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:9px"><span style="font-family:宋體">1</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、</span><span style="font-family:宋體">C</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:9px"><span style="font-family:宋體">1</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">和</span><span style="font-family:宋體">A</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:5px"><span style="font-family:宋體">2</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、</span><span style="font-family:宋體">C</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:5px"><span style="font-family:宋體">2</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">。在串級試驗變器基本原理圖中，低壓電源加在試驗變壓器</span><span style="font-family:宋體">I的初級繞組a1x1上，單臺試驗變壓Ⅰ、Ⅱ、Ⅲ的輸出電壓都是V。勵磁繞組A</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:9px"><span style="font-family:宋體">1</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、</span><span style="font-family:宋體">C</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:9px"><span style="font-family:宋體">1</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">給第二級試驗變壓器</span><span style="font-family:宋體">Ⅱ的初級繞組供電；第二級試驗變壓器Ⅱ的勵磁繞組A</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:5px"><span style="font-family:宋體">2</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、</span><span style="font-family:宋體">C</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:5px"><span style="font-family:宋體">2</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">給第三級試驗變壓器</span><span style="font-family:宋體">Ⅲ的初級繞組供電。第二級試驗變壓器Ⅱ和第三級試驗變壓器Ⅲ的箱體分別處在對地為1V和2V的高電位上，所以箱體對地是絕緣的，試驗變壓器I的箱體是接地的。這樣第一級、第二級、第三試驗變壓器對地的額定輸出電壓分別為1V、2V、3V；其額定容量分別為3P、2P、1P。</span></span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img42.chem17.com/9/20240910/638615543711967051363.png" width="457" height="327" title="3ab64d66-7364-4790-bb9b-4a048fdc69cb.png" alt="3ab64d66-7364-4790-bb9b-4a048fdc69cb.png"/></p><p style="text-align:center;line-height:150%"><span style=";font-family:宋體;font-size:14px"> </span><br/></p><p style="text-align:center;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">圖</span><span style="font-family:宋體">5：三臺試驗變壓器串級接線原理圖</span></span></p><p style="text-align:center;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">圖中：</span><span style="font-family:宋體">P - 容量（KVA）</span></span> <span style=";font-family:宋體;font-size:19px">V </span><span style=";font-family:宋體;font-size:19px">–</span><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">電壓（</span><span style="font-family:宋體">KV）</span></span> <span style=";font-family:宋體;font-size:19px">G</span><span style=";font-family:宋體;font-size:19px;position:relative;top:9px"><span style="font-family:宋體">1</span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">、</span><span style="font-family:宋體">G</span></span><span style=";font-family:宋體;font-size:19px;position:relative;top:9px"><span style="font-family:宋體">1</span></span><span style=";font-family:宋體;font-size:19px"> </span><span style=";font-family:宋體;font-size:19px">–</span><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">絕緣支架</span></span></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px">TDM（G）試驗變壓器高壓套管中的高壓硅堆未畫出，其原理與上圖相同。</span></p><p><br/></p> <div id="yq00aqiue" class="clear"></div> </div> <div id="yq00aqiue" class="article"> <p>上一篇：<a href="/Article-3803747.html">高壓試驗變壓器使用方法注意事項</a></p> <p>下一篇：<a href="/Article-3795744.html">?絕緣油介電強度測試儀耐壓擊穿試驗方法</a></p> </div> <div id="yq00aqiue" 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