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<div id="iqaqewgi6e" class="searchbox"> <form name="form1" method="post" action="/products.html" onsubmit="return checkform(form1)" class="input"> <input name="keyword" onblur="if(this.value=='')this.value='請(qǐng)輸入您要查詢的產(chǎn)品'" onfocus="this.value=''" value="請(qǐng)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(yè)</a> > <a href="/article.html">技術(shù)文章</a> > 回路電阻測(cè)試儀原理以及如何操作</span></div>  <div id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>回路電阻測(cè)試儀原理以及如何操作</h1> <p class="source"><span>日期：2023-10-16</span><span>瀏覽：650次</span></p> <div> <div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px;"><strong><span style="max-width: 100%;">智能回路電阻測(cè)試儀原理以及如何操作</span></strong></span></p><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="max-width: 100%; font-size: 16px;">智能回路電阻測(cè)試儀是電力工作者經(jīng)常使用的測(cè)試設(shè)備。想要檢測(cè)高壓開關(guān)、斷路器控制設(shè)備的接觸電阻、回路電阻使用該測(cè)試儀，將會(huì)高效精確地解決試驗(yàn)人員的回路電阻檢測(cè)問題。對(duì)于電網(wǎng)中運(yùn)行的高壓開關(guān)、斷路器等，對(duì)其進(jìn)行定期的回路電阻的檢測(cè)試驗(yàn)十分有必要，這關(guān)系到電網(wǎng)運(yùn)行的安全問題。如何解讀回路電阻測(cè)試儀的試驗(yàn)工作原理？如何使用回路電阻測(cè)試儀呢？下面文章將為你揭曉答案。</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">智能回路電阻測(cè)試儀的工作原理為：電流電壓法測(cè)試原理，大家也稱其為四端接線法。電力輸出是按照電力部門推薦的直流100A，恒定電流輸出，來測(cè)得回路的標(biāo)準(zhǔn)電阻（Ro）和待測(cè)電阻（Rx）。當(dāng)恒定電流通過I+、I-兩端口，在被試品上加載電流流過標(biāo)準(zhǔn)電阻和待測(cè)電阻時(shí)，采樣器采集標(biāo)準(zhǔn)電阻（Ro）上的電壓信號(hào)（Uo），經(jīng)過濾波信號(hào)放大器進(jìn)行數(shù)值轉(zhuǎn)換，測(cè)試儀器自動(dòng)計(jì)算出電流值（I）；采樣器采集待測(cè)電阻（ Rx）上的電壓信號(hào)（ Ux），同樣經(jīng)過濾波放大器進(jìn)行數(shù)值轉(zhuǎn)換，回路電阻測(cè)試儀自動(dòng)計(jì)算出電阻值（Rx）。</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">計(jì)算公式為：I=Uo/Ro</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">Rx=Ux/I</span></p><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="max-width: 100%; font-size: 16px;"> </span></p><p style="text-align: center"><img style="max-width: 800px; max-height: 300%; width: 430px; height: 322px;" src="https://img60.chem17.com/9/20231016/638330400194255118186.jpg" width="430" height="322" alt="638330400194255118186.jpg"/></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 28px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">智能回路電阻測(cè)試儀的工作原理四端接線測(cè)試法，能有效避免在大電流條件工作下的試驗(yàn)過程過熱、消除引線電阻等問題，并且能夠提高回路電阻檢測(cè)的精度，測(cè)量準(zhǔn)確度非常高。因此，目前回路電阻測(cè)試儀的工作原理使用上已經(jīng)非常成熟可靠了。</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">如何使用回路電阻測(cè)試儀呢？做試驗(yàn)過程十分簡(jiǎn)單，容易上手。測(cè)試儀有高清顯示屏，屏幕上數(shù)據(jù)清晰顯示，試驗(yàn)步驟如下：</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">步驟一：按照四端接線法接線。也就是電流線夾在被試品的外側(cè)，電壓線夾在被試品的內(nèi)側(cè)，電流與電壓必須同極性。且注意接線處扭緊不能有松動(dòng)。</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px;"><span style="font-size: 16px; max-width: 100%;">步驟二：開機(jī)點(diǎn)擊開始測(cè)試。在確認(rèn)接線無誤后，打開電源開關(guān)，進(jìn)入測(cè)試界面，儀器默認(rèn)直流100A，測(cè)試時(shí)間為10S。也可選擇不同的測(cè)試擋位，如電流50A，測(cè)試時(shí)間的范圍從5至599秒可任意設(shè)定。參數(shù)設(shè)定好之后，點(diǎn)擊開始測(cè)試，儀器按照設(shè)定好的參數(shù)自動(dòng)進(jìn)行回路電阻的測(cè)量。測(cè)試過程中由于大電流經(jīng)過測(cè)試線，因此切勿拔掉測(cè)試線，以免造成人員和儀器的傷害?；芈冯娮柚禍y(cè)試結(jié)果自動(dòng)顯示。測(cè)試結(jié)果可儲(chǔ)存和打印。</span> </span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">步驟三：完成測(cè)試拆線。測(cè)量完畢后，關(guān)閉電源開關(guān)，進(jìn)行拆線即可。</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">以上測(cè)試過程簡(jiǎn)單快速，并且測(cè)試結(jié)果準(zhǔn)確，精度高，因此，回路電阻測(cè)試儀是電力工作者進(jìn)行回路電阻測(cè)量的非常好的測(cè)試工具。</span></p></div><div id="iqaqewgi6e" class="dpu8C _2kCxD " style="max-width: 100%; overflow-x: visible; font-size: 18px; line-height: 30px; color: rgb(34, 34, 34); margin-top: 24px; font-family: arial; white-space: normal; background-color: rgb(255, 255, 255);"><p style="overflow-y: auto; max-width: 100%; line-height: 30px; margin-top: 0px !important; margin-bottom: 0px !important; padding: 0px !important;"><span style="font-size: 16px; max-width: 100%;">隨著電力工業(yè)的發(fā)展，電力部門對(duì)于電力傳輸，電力運(yùn)行，電力安全等要求越來越嚴(yán)格，回路電阻是表示電回路連接是否良好的重要參數(shù)，回路電阻值的大小關(guān)系到電網(wǎng)回路的載流能力和短路電流的切斷能力，因此，在預(yù)防性試驗(yàn)和交接性試驗(yàn)中，使用回路電阻測(cè)試儀對(duì)電氣設(shè)備進(jìn)行回路電阻值的檢測(cè)是十分重要的檢測(cè)工作?；芈冯娮铚y(cè)試儀能幫助電力工作者高效解決回路電阻值的測(cè)量問題。</span></p></div><p><br/></p> <div id="iqaqewgi6e" class="clear"></div> </div> <div id="iqaqewgi6e" class="article"> <p>上一篇：<a href="/Article-3500282.html">導(dǎo)電回路接觸電阻測(cè)試儀方法與試驗(yàn)注意事項(xiàng)</a></p> <p>下一篇：<a href="/Article-3500277.html">手搖兆歐表正確使用方法：</a></p> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="n-9"> <div id="iqaqewgi6e" class="c-right"> <div id="iqaqewgi6e" class="c-1 r-pro"> <div id="iqaqewgi6e" class="c-left"> <div id="iqaqewgi6e" class="h-2"><a href="/products.html">產(chǎn)品分類</a></div> <ul> <li><a href="/ParentList-1388067.html" onmouseover="showsubmenu('大電流發(fā)生器')" class="yj">大電流發(fā)生器</a> <div class="iqaqewgi6e" id="submenu_大電流發(fā)生器" 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