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data-height="200"> <div id="pr3mjyzo" class="phx-panel-title clearfix"> <span id="pr3mjyzo" class="text pull-left">文章詳情</span> </div> <div id="pr3mjyzo" class="phx-panel"> <div class="pr3mjyzo" id="app_52253022_style" class="hide"> </div> <div id="pr3mjyzo" class="appWrapper" id="app_52253022" role="draggable" data-type="app" data-appid="datumInfo" data-config="" data-state="true"> <div id="pr3mjyzo" class="appMask"></div> <div id="pr3mjyzo" class="appContent"> <div id="pr3mjyzo" class="datum_info"> <h1 class="title">交直流高壓試驗(yàn)變壓器應(yīng)用中的試驗(yàn)方法</h1> <div id="pr3mjyzo" class="bgcolor_01"> <div id="pr3mjyzo" class="bgcolor_sum"> <div id="pr3mjyzo" class="left">日期：2024-11-18 10:30</div> <div id="pr3mjyzo" class="right">瀏覽次數(shù)：129</div> </div> <div id="pr3mjyzo" class="bgcolor_sum01"> 摘要：上海康登電氣科技有限公司電力技術(shù) </div> </div> <div id="pr3mjyzo" class="content"> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"><span style="font-size:16px;"></span>講解交直流<a href="http://m.seoer8.com/kangdengdq_ProCatalog_3658678_1.html" class="keyword_inherit" name="keyword_inherit" target="_blank">高壓試驗(yàn)變壓器</a>應(yīng)用中的試驗(yàn)方法</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">1、交流耐壓試驗(yàn)</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">它是破壞性試驗(yàn)中的一種，它能進(jìn)一步診斷出電氣設(shè)備的絕緣缺陷。交流耐壓試驗(yàn)是鑒定電氣設(shè)備絕緣強(qiáng)度的zui嚴(yán)格、zui有效和zui直接的試驗(yàn)方法，它能檢出絕緣在正常運(yùn)行時(shí)的zui弱點(diǎn)，對(duì)判斷電氣設(shè)備能否繼續(xù)投入運(yùn)行具有決定性的作用。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">2、直流耐壓試驗(yàn)</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">它除能發(fā)現(xiàn)設(shè)備絕緣受潮、劣化外，對(duì)發(fā)現(xiàn)絕緣的某些局部缺陷具有特殊的作用。直流耐壓試驗(yàn)?zāi)軌虬l(fā)現(xiàn)某些交流耐壓試驗(yàn)所不能發(fā)現(xiàn)的缺陷，交流與直流耐壓試驗(yàn)這兩種試驗(yàn)不能互相代替，必須同時(shí)應(yīng)用于預(yù)防性試驗(yàn)中，特別是電機(jī)、電纜等更應(yīng)當(dāng)做直流耐壓試驗(yàn)。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">3、測(cè)量絕緣電阻</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">它是一種zui常用而又zui簡(jiǎn)單的試驗(yàn)方法，通常用兆歐表進(jìn)行測(cè)量。根據(jù)測(cè)得的試品在1分鐘時(shí)的絕緣電阻的大小，可以檢測(cè)出絕緣是否有貫通的集中性缺陷、整體受潮或貫通性受潮。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">4、測(cè)量泄漏電流</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">它與測(cè)量絕緣電阻的原理基本上是相同的，而且檢出缺陷的性質(zhì)也大致相同。但由于泄漏電流測(cè)量中所用的電源一般均由高壓整流設(shè)備提供，并用微安表直接讀取泄漏電流。它有試驗(yàn)電壓可隨意調(diào)節(jié)；靈敏度高，測(cè)量重復(fù)性較好；換算絕緣電阻值；可用測(cè)量吸收比來判斷絕緣缺陷等特點(diǎn)。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">5、高壓試驗(yàn)變壓器測(cè)量介質(zhì)損失角</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">它是一項(xiàng)靈敏度很高的試驗(yàn)項(xiàng)目，它可以發(fā)現(xiàn)電氣設(shè)備絕緣整體受潮、劣化、變質(zhì)以及小體積被試設(shè)備貫通或未貫通的局部缺陷。但當(dāng)被試品體積較大，而缺陷所占的體積又較小時(shí)，用這種方法就難以發(fā)現(xiàn)了。它廣泛應(yīng)用在電工制造和電氣設(shè)備交接和預(yù)防性試驗(yàn)中。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">非破壞性試驗(yàn)與破壞性試驗(yàn)</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">非破壞性試驗(yàn)：是在較低電壓（低于或接近于額定電壓）下進(jìn)行試驗(yàn)。其中測(cè)量絕緣電阻、泄漏電流和介質(zhì)損失角等試驗(yàn)項(xiàng)目為非破壞性試驗(yàn)。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">破壞性試驗(yàn)：是指在高于工作電壓下所進(jìn)行的試驗(yàn)，也稱耐壓試驗(yàn)。試驗(yàn)時(shí)在電氣設(shè)備絕緣上施加規(guī)定的試驗(yàn)電壓，考驗(yàn)在此電壓下的耐受能力。直流耐壓試驗(yàn)和交流耐壓試驗(yàn)均屬于破壞性試驗(yàn)。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">這兩類試驗(yàn)是有一定順序的，應(yīng)首先進(jìn)行非破壞性試驗(yàn)，然后再進(jìn)行破壞性試驗(yàn)，這樣可避免不應(yīng)有的擊穿事故。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">附：</span><span style="font-family:宋體;letter-spacing:0px;font-size:14px;">真空斷路器測(cè)試儀講解真空度下降的原因</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">真空斷路器就是利用消除電弧賴以持續(xù)的物理因素,使電弧不能形成或不能持續(xù)。在真空斷路器中配用的真空管保持一定的真空度——使開關(guān)的動(dòng)、靜觸頭在開斷負(fù)荷電流時(shí),因沒有或存在非常少的可電離介質(zhì)而使電弧不能產(chǎn)生或持續(xù),達(dá)到熄弧的目的。而目前國(guó)內(nèi)**的真空斷路器不象現(xiàn)使用較多的sF6斷路器本身配有介質(zhì)壓力閉鎖等保護(hù),沒有定性、定量監(jiān)測(cè)真空度特性的裝置,所以斷路器配用的真空管真空度降低在實(shí)際運(yùn)行中不可能被發(fā)現(xiàn),故障為隱性故障,其危險(xiǎn)程度遠(yuǎn)遠(yuǎn)大于顯性故障。通過對(duì)我廠使用的真空斷路器故障性質(zhì)規(guī)類分析,同時(shí)與黑龍江省內(nèi)的幾家電廠的工程技術(shù)人進(jìn)行技術(shù)交流后總結(jié)出了引起真空斷路器真空下降及真空管漏氣的幾種原因如下:</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">一、彈跳的影響</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">真空斷路器的觸頭多為平面對(duì)接式結(jié)構(gòu),在分合閘操作中不可避免地產(chǎn)生不同程度的反彈現(xiàn)象。不論分閘反彈還是合閘反彈都會(huì)給運(yùn)行帶來危害:波紋管經(jīng)受強(qiáng)迫振動(dòng)可能產(chǎn)生裂紋,使滅弧室漏氣;分合閘時(shí)斷路器觸頭運(yùn)動(dòng)速度較高,動(dòng)作終結(jié)時(shí)沖擊力較大,引發(fā)彈跳,可能產(chǎn)生觸頭和導(dǎo)電桿的變形,甚至產(chǎn)生裂紋;切合電容器組的真空真空斷路器如果發(fā)生合閘彈跳,還會(huì)導(dǎo)致電容器的損壞。因此目前部分真空斷路器廠家已注意到真空斷路器彈跳造成的危害,推出了所謂的“無彈跳”真空斷路器,通過機(jī)械緩沖等手段,大大減少了斷路器在分合閘時(shí)產(chǎn)生的機(jī)械沖擊。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">二、分合閘速度的影響</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">斷路器的分合閘速度對(duì)真空斷路器的滅弧起到了一定的作用,也決定著真空斷路器的使用壽命。所以斷路器在投運(yùn)前均應(yīng)測(cè)量分合閘速度,可以及時(shí)發(fā)現(xiàn)產(chǎn)品質(zhì)量和調(diào)試上的一些問題。一方面防止分合閘速度過大,斷路器觸頭動(dòng)作終了時(shí)機(jī)械撞激烈,使滅弧室產(chǎn)生更為嚴(yán)重震動(dòng)。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">三、觸頭行程的影響</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">目前國(guó)內(nèi)**的各種型號(hào)的10kv真空斷路器滅弧室,其觸頭超行程按規(guī)程規(guī)定在4mm左右,開距11mm左右。真空斷路器在安裝或檢修時(shí),應(yīng)嚴(yán)格按照產(chǎn)品安裝說明書中觸頭行程要求準(zhǔn)確測(cè)量,調(diào)整拉桿,防止行程超越,且真空斷路器在每年大檢修中,都應(yīng)仔細(xì)復(fù)查斷路器的行程、超行程及觸頭的開距。在實(shí)際運(yùn)行中不乏因斷路器超行程調(diào)整不當(dāng),造成斷路器合閘過程中機(jī)械沖擊引起滅弧室破裂、導(dǎo)電桿變形的事故。 </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">四、緩沖器的影響</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">應(yīng)仔細(xì)檢查緩沖器行程,不應(yīng)有變形損傷現(xiàn)象或壓縮超量,須留緩沖裕度。部分充油緩沖器應(yīng)定時(shí)檢查緩沖器油位情況,及時(shí)補(bǔ)油。</span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;"> </span> </p> <p style="padding:0px;color:#333333;font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Helvetica, Arial, sans-serif;font-size:16px;background-color:#FFFFFF;"> <span style="font-family:宋體;letter-spacing:0px;font-size:14px;">由于這幾年在真空斷路器的檢修、維護(hù)工作中,使用真空測(cè)試儀、特性測(cè)試儀等先進(jìn)的科學(xué)儀器進(jìn)行測(cè)試,使藏而不露的問題以科學(xué)數(shù)據(jù)的形式顯現(xiàn)出來。在處理這些問題的過程中,也積累了一些經(jīng)驗(yàn),做到了綜合性檢修,防患于未然,保證了真空斷路器的**可靠運(yùn)行。</span> </p> </div> <div id="pr3mjyzo" class="datumrelate"> <span>下一篇：</span> <a href="/kangdengdq_Article_11750841.html" title="鉗形接地電阻測(cè)試儀使用方法及常見故障處理">鉗形接地電阻測(cè)試儀使用方法及常見故障處理</a> <br> <span>上一篇：</span> <a href="/kangdengdq_Article_11751527.html" title="雙鉗口接地電阻測(cè)試儀利用雙鉗法測(cè)試方法">雙鉗口接地電阻測(cè)試儀利用雙鉗法測(cè)試方法</a> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <footer id="footer" class="footer" data-appid="layout"> <div class="pr3mjyzo" id="footerWrapper" class="footerWrapper" data-appid="wrapper"> <div class="pr3mjyzo" id="footerContainer" class="footerContainer" data-appid="container"> <div id="pr3mjyzo" class="row" role="draggable" data-appid="row" 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