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onblur="if(this.value=='')this.value='請輸入您要查詢的產(chǎn)品'" onfocus="this.value=''" value="請輸入您要查詢的產(chǎn)品" type="text" class="search-txt"> <input name="" type="submit" class="search-btn" value=""> </form> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="nybanner"><img src="/skins/106676/images/nybanner.jpg"></div> <script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="iqaqewgi6e" class="ncontent w_1100"> <div id="iqaqewgi6e" 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> > 高壓試驗變壓器工作原理以及操作試驗方法</span></div>  <div id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>高壓試驗變壓器工作原理以及操作試驗方法</h1> <p class="source"><span>日期：2022-03-24</span><span>瀏覽：1223次</span></p> <div> <p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; white-space: normal; text-align: center;"><strong>高壓試驗變壓器工作原理以及操作試驗方法</strong></p><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;"><strong style="margin: 0px; padding: 0px; border: 0px;">高壓試驗變壓器</strong>除zui高電壓一級外，都在高壓繞組中串繞激磁組。該繞組和后一級試驗變壓器初級線圈參數(shù)相同。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">由控制箱供給第Ⅰ級試驗變壓器繞組電源。第Ⅰ級高壓繞組尾端和外殼接地，首端和第Ⅱ級試驗變壓器高壓尾及外殼連接。由第Ⅰ級串激抽頭供給第Ⅱ級低壓繞組的勵磁電源，此時Ⅱ級試驗變壓器輸出為第Ⅰ和第Ⅱ級輸出疊加。同理，可疊加第Ⅲ級。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;"><strong style="margin: 0px; padding: 0px; border: 0px;">高壓試驗變壓器</strong>操作試驗方法：</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">１、按上圖接線，檢查壓力表指示內(nèi)部氣體壓力是否正常（≥０.3MPA）</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">２、做交流耐壓時短路桿插入孔Ｊ中，做直流泄漏試驗，取出短路桿。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">３、限流電阻配置：工頻耐壓每伏0.3～１歐：直流每伏５～１０歐，一般試驗可不用。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">４、拆除被試品線引線，套管及器身臟污清除，必要時采用屏蔽措施。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">５、準(zhǔn)備工作和安全措施就緒，空試一次設(shè)備。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">６、接上被試品，直流試驗應(yīng)用屏蔽線，以消除雜散泄漏。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">７、合上電源，控制箱（柜）電源批示綠燈亮。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">８、按下起動按鈕，起動指示燈亮。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">９、對控制箱，順時針均勻加電，注視電壓表達到額定電壓值。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">１０、持續(xù)規(guī)定耐壓時間并注視電流表指示。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">１１、耐壓時間到，注視ＫＶ表，迅速均勻降零。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">１２、做圖２實驗后用放電棒經(jīng)電阻放電，然后直接接地放電。</div><div microsoft="" pingfang="" white-space:="" background-color:="" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; color: rgb(102, 102, 102); white-space: normal;">１３、高壓部分可能被充電部位一一放電后，改變或拆除高壓引線，一切引線至此一次試驗終止。</div><p 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