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class="inside_rnewtil">YDJ（G）、TDM（G）型高壓交直流試驗變壓器工作原理</h1> <div id="1571n5fppxr7" class="inside_rnewtime">點擊次數(shù)：359 更新時間：2024-04-19</div> <div id="1571n5fppxr7" class="inside_rnewcon"><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體"></span></span></p><p><strong><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">YDJ（G）、TDM（G）型高壓交直流試驗變壓器工作原理</span></span></strong></p><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"><span style="font-family:宋體">1、單臺YDJ（G）試驗壓器的工作原理圖見圖3</span></span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img51.chem17.com/9/20240419/638491121367674599974.png" width="441" height="283" title="}6W_[[AUR%YXS9ZU08K{X(T.png" alt="}6W_[[AUR%YXS9ZU08K{X(T.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"><span style="font-family:宋體">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></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"> </span></span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img54.chem17.com/9/20240419/638491122279550566237.png" title="1S_J7{)C$E)Q{(I`HW0F9A3.png" alt="1S_J7{)C$E)Q{(I`HW0F9A3.png"/></p><p style="text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體"></span></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 style="font-family:宋體">–</span></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"><span style="font-family:宋體">VD </span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">–</span></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:28px;text-indent:37px;line-height:33px"><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">3、三臺試驗變壓器串級獲得更高電壓的結(jié)線原理見圖5。串級高壓試驗變壓器有很大的*性，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> </p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img59.chem17.com/9/20240419/638491122458363690134.png" title="79PSK4DWRL9KX[C6`(3PQ%N.png" alt="79PSK4DWRL9KX[C6`(3PQ%N.png"/></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"><span style="font-family:宋體">V </span></span><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">–</span></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"><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 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 style="font-family:宋體">–</span></span><span style=";font-family:宋體;font-size:19px"> <span style="font-family:宋體">絕緣支架</span></span></p><p><span style=";font-family:宋體;font-size:19px"><span style="font-family:宋體">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></span></p><p><br/></p></div> <div id="1571n5fppxr7" class="inside_newsthree"> <p id="newsprev">上一篇：<b 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