干式試驗變壓器異常的判斷方法維護保養(yǎng)-上?？档请姎饪萍加邢薰?/title> <link type="text/css" rel="stylesheet" href="/Skins/106676/css/index.css" /> <script src="/skins/106676/js/jquery-3.6.0.min.js"></script> <link rel="stylesheet" type="text/css" href="/skins/106676/css/swiper.min.css"> <script type="text/javascript" src="/skins/106676/js/swiper.min.js"></script>  <script language="javascript" type="text/javascript"> var nav= '5'; var menu= '0'; </script>  <link rel="shortcut icon" href="/skins/106676/favicon.ico"> <script type="application/ld+json"> { "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld", "@id": "http:///Article-3421236.html", "title": "干式試驗變壓器異常的判斷方法維護保養(yǎng)", "pubDate": "2023-07-21T10:52:16", "upDate": "2023-07-21T10:52:16" }</script> <script language="javaScript" src="/js/JSChat.js"></script><script language="javaScript">function ChatBoxClickGXH() { DoChatBoxClickGXH('https://chat.chem17.com',83189) }</script><script>!window.jQuery && document.write('<script 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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>您當前的位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 干式試驗變壓器異常的判斷方法維護保養(yǎng)</span></div>  <div id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>干式試驗變壓器異常的判斷方法維護保養(yǎng)</h1> <p class="source"><span>日期：2023-07-21</span><span>瀏覽：938次</span></p> <div> <p><strong>干式試驗變壓器異常的判斷方法維護保養(yǎng)</strong><br/></p><p><span style="font-family: 宋體, SimSun; font-size: 16px; background-color: rgb(255, 255, 255); text-indent: 2em;">如果溫度異常過高，具體處理措施和步驟如下：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">1、檢查溫控器、溫度計是否失靈；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">2、檢查吹風裝置和室內(nèi)通風情況是否正常；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">3、檢查變壓器的負載情況和溫控器探頭插入情況排除溫控器、吹風裝置故障，在正常負載條件下，溫度不斷上升，應確認是變壓器內(nèi)部發(fā)生故障，應停止運行，進行檢修。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">引起溫度異常升高的原因有：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">1、變壓器繞組局部層間或匝間的短路，內(nèi)部接點有松動，接觸電阻加大，二次線路上有短路情況等等；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">2、變壓器鐵芯局部短路、夾緊鐵芯用的穿芯螺絲絕緣損壞；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">3、長期過負荷運行或事故過負荷；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">4、散熱條件惡化等。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="color: rgb(0, 0, 0); font-family: 宋體, SimSun; font-size: 16px; text-indent: 2em;">干式試驗變壓器聲音異常的處理：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">變壓器聲音分正常聲音和非正常聲音。正常聲音是由變壓器勵磁發(fā)出的“嗡嗡"聲，它是隨負載的大小有強弱變化；當變壓器出現(xiàn)非正常聲，首先分析判斷聲音是在變壓器內(nèi)部的還是外部。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">如果是內(nèi)部，可能產(chǎn)生的部位有：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">1、鐵心夾持不緊發(fā)生松動，將會發(fā)出“叮當"和“呼呼"聲；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">2、鐵心不接地，將會發(fā)出“嘩剝"“嘩剝"的輕微放電聲；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">3、開關(guān)接觸不良將發(fā)生“吱吱"“噼啪"聲，而且是隨負載增加而變大；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">4、套管表面油污嚴重時會發(fā)出“嘶嘶"聲。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">如果是外部，可能產(chǎn)生的部位有：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">1、超載運行會發(fā)出沉重的“嗡嗡"；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">2、電壓過高，變壓器聲音大而且較尖銳；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">3、缺相運行時，變壓器聲音較平常尖銳；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">4、電網(wǎng)系統(tǒng)發(fā)生磁諧振時，變壓器會發(fā)出粗細不勻的噪聲；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">5、低壓側(cè)有短路或接地時，變壓器會發(fā)巨大的“轟轟"聲；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);">6、外部連接有松動時，有弧光或火花。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);"></span></p><p style="text-align: center"><img style="max-width: 800px; max-height: 300%; width: 513.193px; height: 430px;" src="https://img70.chem17.com/9/20230712/638247534342349878709.png" alt="638247534342349878709.png" width="513" height="430"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; border: 0px; color: rgb(102, 102, 102); font-family: "Microsoft Yahei", arial, sans-serif; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; border: 0px; font-size: 16px; font-family: 宋體, SimSun; color: rgb(0, 0, 0);"></span><br/></p><p><strong></strong></p><p><span>一、<strong>干式變壓器維修方法</strong></span></p><p><span><br/></span></p><p><span>干式變壓器維修時，檢查干式變壓器等電位連接是否良好，導線接頭是否腐蝕，是否經(jīng)常拆換腐蝕；擰緊引線連接器、引腳、等電位連接螺釘和連接母線螺釘。干式變壓器維修時，必須將變壓器及附件周圍的灰塵清理干凈，并檢查消防設(shè)備和排風系統(tǒng)是否質(zhì)量良好。散熱風扇沒有問題，溫控器是否有故障，斷開高壓側(cè)等電位連接旋鈕，鎖定高壓開關(guān)油門，用2500V振子測量絕緣電阻。與原干式變壓器實測值相比，絕緣電阻應不低于原廠原始記錄的70%。如不符合規(guī)定，應先報告，并再次關(guān)閉高壓側(cè)等電位連接旋鈕，對干式變壓器電池充電。變壓器室和干式變壓器內(nèi)沒有任何道具殘留，電焊工人員將詳細講解干式變壓器保護試驗操作。</span></p><p><span><br/></span></p><p><span>二、<strong>干式變壓器的維護</strong></span></p><p><span><br/></span></p><p><span>干式變壓器的維修，首先要清洗瓷套管和套管，然后檢查套管、墊片、瓷套管是否有裂紋，放電痕跡或橡膠墊是否老化，電纜和母線是否變形。代替。</span></p><p><span><br/></span></p><p><span>在干式變壓器的維修中，還需要檢查母線接觸面是否保持清潔。接觸面應去除氧化層并涂上粉末復合潤滑脂。檢查變壓器接地是否良好，接地線是否被腐蝕。如果腐蝕嚴重，則應更換。擰緊引線端子、引腳、接地螺釘和母線螺釘。如有松動，拆下螺絲，或用細平銼輕輕銼接觸面，或更換彈簧墊圈和螺絲，直至接觸良好。</span></p><p><span><br/></span></p><p><span>干式變壓器維修需要清理變壓器及附件周圍的灰塵，檢查消防設(shè)施和通風系統(tǒng)是否完好。檢查變壓器室和變壓器是否有剩余工具，并撤離現(xiàn)場。對干式變壓器進行詳細的維護和試運行記錄。</span></p><p><strong><br/></strong><br/></p> 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href="/SonList-1324451.html">> 壓接鉗</a></li> <li><a href="/SonList-1324450.html">> 液壓鉗</a></li> </ul> </div> </li> <li><a href="/ParentList-1324332.html" onmouseover="showsubmenu('繞組匝間沖擊耐電壓試驗儀')" class="yj">繞組匝間沖擊耐電壓試驗儀</a> <div class="iqaqewgi6e" id="submenu_繞組匝間沖擊耐電壓試驗儀" style="display:none"> <ul> <li><a href="/SonList-1324343.html">> 耐電壓試驗儀</a></li> </ul> </div> </li> <li><a href="/ParentList-1324322.html" onmouseover="showsubmenu('直流高壓發(fā)生器')" class="yj">直流高壓發(fā)生器</a> <div class="iqaqewgi6e" id="submenu_直流高壓發(fā)生器" style="display:none"> <ul> <li><a href="/SonList-1324326.html">> 直流高壓發(fā)生器</a></li> <li><a href="/SonList-1324324.html">> ZGF直流高壓發(fā)生器</a></li> </ul> </div> </li> <li><a href="/ParentList-1324311.html" onmouseover="showsubmenu('電工電修工具設(shè)備總匯')" class="yj">電工電修工具設(shè)備總匯</a> <div class="iqaqewgi6e" id="submenu_電工電修工具設(shè)備總匯" style="display:none"> <ul> <li><a href="/SonList-1324320.html">> 電動切紙機</a></li> <li><a href="/SonList-1324319.html">> 電工絕緣材料</a></li> <li><a href="/SonList-1324318.html">> 電機槽楔</a></li> <li><a href="/SonList-1324316.html">> 橡膠錘、電工鑿</a></li> <li><a href="/SonList-1324314.html">> 不銹鋼通條、通刷</a></li> <li><a href="/SonList-1324313.html">> 不銹鋼劃線板</a></li> <li><a href="/SonList-1324312.html">> 不銹鋼壓線板</a></li> </ul> </div> </li> <li><a href="/ParentList-1324298.html" onmouseover="showsubmenu('漆包線電動刮漆器總匯')" class="yj">漆包線電動刮漆器總匯</a> <div class="iqaqewgi6e" id="submenu_漆包線電動刮漆器總匯" style="display:none"> <ul> <li><a href="/SonList-1324300.html">> 漆包線電動刮漆器</a></li> </ul> </div> </li> <li><a href="/ParentList-1324280.html" onmouseover="showsubmenu('電機萬用繞線?？倕R')" class="yj">電機萬用繞線模總匯</a> <div class="iqaqewgi6e" id="submenu_電機萬用繞線?？倕R" style="display:none"> <ul> <li><a href="/SonList-1324281.html">> 電機萬用繞線模</a></li> </ul> </div> </li> <li><a href="/ParentList-1324244.html" onmouseover="showsubmenu('拆線機、烘箱總匯')" class="yj">拆線機、烘箱總匯</a> <div class="iqaqewgi6e" id="submenu_拆線機、烘箱總匯" style="display:none"> <ul> <li><a 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<li><a href="/SonList-1323168.html">> 螺旋式千斤頂</a></li> <li><a href="/SonList-1323167.html">> 立式油壓千斤頂</a></li> <li><a href="/SonList-1323166.html">> 立臥兩用千斤頂</a></li> <li><a href="/SonList-1323165.html">> 自鎖式液壓千斤頂</a></li> <li><a href="/SonList-1323164.html">> 中空式液壓千斤頂</a></li> <li><a href="/SonList-1323163.html">> 單作用薄型千斤頂</a></li> <li><a href="/SonList-1323161.html">> 分離式液壓千斤頂</a></li> </ul> </div> </li> <li><a href="/ParentList-1322984.html" onmouseover="showsubmenu('液壓拉馬總匯')" class="yj">液壓拉馬總匯</a> <div class="iqaqewgi6e" id="submenu_液壓拉馬總匯" style="display:none"> <ul> <li><a href="/SonList-1322996.html">> 液壓拉馬機械工具箱</a></li> <li><a href="/SonList-1322995.html">> 軸承起拔器/無損傷起拔器</a></li> <li><a href="/SonList-1322994.html">> 偶合器專用拉馬</a></li> <li><a href="/SonList-1322993.html">> 手動機械拉馬</a></li> <li><a href="/SonList-1322992.html">> 螺旋式齒輪拉馬</a></li> <li><a href="/SonList-1322990.html">> 機械/液壓防滑拔輪器</a></li> <li><a href="/SonList-1322989.html">> 車載式液壓拉馬</a></li> <li><a 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