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style="display:none"> <ul class="two_profl"> <li><a href="/SonList-538075.html">直流微安表</a></li> </ul> </div> </li> </ul> </div> </div> <div id="eqckvv83f" class="nymiddlezty"> <div id="eqckvv83f" class="mianbao">您現(xiàn)在的位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 微機(jī)機(jī)電保護(hù)測試儀實(shí)驗(yàn)時的5大注意事項(xiàng)，你可千萬要當(dāng)心！</div> <div id="eqckvv83f" class="about_con"> <h1 class="newstit">微機(jī)機(jī)電保護(hù)測試儀實(shí)驗(yàn)時的5大注意事項(xiàng)，你可千萬要當(dāng)心！</h1> <div id="eqckvv83f" class="newstime"> <span id="eqckvv83f" class="skim"><em>瀏覽次數(shù)：</em>842</span><span id="eqckvv83f" class="skimtim"><em>發(fā)布日期：</em>2021-01-08 </span> </div> <div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 電力行業(yè)的工作人員在使用<span style="color: rgb(0, 0, 0);"><strong><a href="http:///SonList-514900.html" target="_blank"><span style="color: rgb(0, 0, 0);">微機(jī)機(jī)電保護(hù)測試儀</span></a></strong></span>，進(jìn)行交流試驗(yàn)時需要注意一些問題，</span><span style="font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: 微軟雅黑, Arial, Helvetica, sans-serif; text-align: center;">康登電</span></span><span style="font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: 微軟雅黑, Arial, Helvetica, sans-serif; text-align: center;">氣</span></span><span style="font-size: 16px;">特總結(jié)一些如下所示的相關(guān)事項(xiàng)，為方便大家的測試工作。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 01</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 當(dāng)我們進(jìn)行一般性的檢測時，需要設(shè)置“開關(guān)變位確認(rèn)時間”，需要注意的是，我們要將其數(shù)值設(shè)置的稍大一些。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 為了</span><span style="font-size: 16px;">保證繼電保護(hù)器</span><span style="font-size: 16px;">保護(hù)的動作可靠性，檢測其動作時間時，就必須要保證繼電保護(hù)測試儀輸出的交流量比保護(hù)的啟動值要大。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 02</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 在檢測多段式過渡保護(hù)時，常規(guī)性的方式是進(jìn)行一段一段的單獨(dú)試驗(yàn)，然后再一步步升電流至保護(hù)動作為止。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 03</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 當(dāng)短路阻抗比整定定值小的時候，才能有效地保護(hù)出口，另外在進(jìn)行模擬接地距離故障時，設(shè)置的零序補(bǔ)償系數(shù)一定要保證正確。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 04</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 對零序電流定值進(jìn)行試驗(yàn)校驗(yàn)時，需要注意分清楚值單里給出的定值是3I0，還是I0。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 05</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 對于低周保護(hù)的檢測，選擇頻率可以變動。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> 頻率變化的步長設(shè)置是根據(jù)精度要求而設(shè)。頻率從50下降直至有保護(hù)動作為止，需要注意，間隔時間需要比保護(hù)的動作時間大。</span></div><div><span style="font-size: 16px;"><br /></span></div><div><span style="font-size: 16px;"> </span><strong style="font-size: 16px;">微機(jī)機(jī)電保護(hù)測試儀</strong><span style="font-size: 16px;">是一款非常常見的高壓電力試驗(yàn)設(shè)備，具有準(zhǔn)確度高、功能多的特點(diǎn)，很受廣大電力工作者的歡迎，因此需要大家熟練掌握。</span></div> <div class="eqckvv83f" id="news_sx"><li id="eqckvv83f" class="sx_left">上一篇：<a href="/Article-378396.html">三倍頻電源發(fā)生器有哪些特點(diǎn)？</a> <br />下一篇：<a href="/Article-376589.html">紅色高壓絕緣墊概述</a></li></div> </div> </div> </div> </div> <script type="text/javascript"> $(document).ready(function(e) { $(".about_con img").each(function(index, element) { $(this).attr('style', 'max-width:100%'); }); }); </script> <div id="eqckvv83f" class="clear"></div>  <div id="eqckvv83f" 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