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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，并檢查消防設備和排風系統(tǒng)是否質量良好。散熱風扇沒有問題，溫控器是否有故障，斷開高壓側等電位連接旋鈕，鎖定高壓開關油門，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，并再次關閉高壓側等電位連接旋鈕，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> <div 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平口短路接地線</a></li> <li><a href="/SonList-1355932.html">> 高壓平口短路接地線</a></li> </ul> </div> </li> <li><a href="/ParentList-1331761.html" onmouseover="showsubmenu('絕緣電阻接地防雷測試儀')" class="yj">絕緣電阻接地防雷測試儀</a> <div class="f55nvtnxj1n" id="submenu_絕緣電阻接地防雷測試儀" style="display:none"> <ul> <li><a href="/SonList-1331764.html">> 絕緣電阻測試儀類</a></li> <li><a href="/SonList-1331763.html">> 接地防雷測試儀類</a></li> <li><a href="/SonList-1331762.html">> 其它產(chǎn)品類</a></li> </ul> </div> </li> <li><a href="/ParentList-1327095.html" onmouseover="showsubmenu('相位伏安表')" class="yj">相位伏安表</a> <div class="f55nvtnxj1n" id="submenu_相位伏安表" style="display:none"> <ul> <li><a href="/SonList-1327110.html">> 相位伏安表</a></li> <li><a href="/SonList-1327109.html">> 電參數(shù)測試</a></li> <li><a href="/SonList-1327108.html">> 用電檢查儀</a></li> <li><a href="/SonList-1327107.html">> 現(xiàn)場校驗儀</a></li> <li><a href="/SonList-1327106.html">> 終端測試儀</a></li> <li><a href="/SonList-1327104.html">> 標準電能表</a></li> <li><a href="/SonList-1327103.html">> 便攜式裝置</a></li> <li><a href="/SonList-1327102.html">> 電能表裝置</a></li> <li><a href="/SonList-1327101.html">> 數(shù)字表裝置</a></li> <li><a href="/SonList-1327100.html">> 互感器裝置</a></li> <li><a href="/SonList-1327099.html">> 電測量器材</a></li> <li><a href="/SonList-1327097.html">> 附件和配件</a></li> <li><a href="/SonList-1327096.html">> 研發(fā)訂制產(chǎn)品</a></li> </ul> </div> </li> <li><a href="/ParentList-1354476.html" onmouseover="showsubmenu('測試夾')" class="yj">測試夾</a> <div class="f55nvtnxj1n" id="submenu_測試夾" style="display:none"> <ul> <li><a href="/SonList-1354488.html">> ZCQ系列電力測試鉗</a></li> <li><a href="/SonList-1354486.html">> 電力測試導線</a></li> <li><a href="/SonList-1354485.html">> JXZ系列接線柱（插座）</a></li> <li><a href="/SonList-1354483.html">> 測試夾</a></li> <li><a href="/SonList-1354481.html">> 高壓硅膠絕緣試驗電纜</a></li> <li><a href="/SonList-1354480.html">> 接線柱</a></li> <li><a href="/SonList-1354479.html">> 測試電力導線包</a></li> </ul> </div> </li> <li><a href="/ParentList-1332628.html" 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