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$('.gallery').lightSlider({ gallery:true, minSlide:1, maxSlide:1, currentPagerPosition:'left' }); }); </script> <div id="ubjn47ipz" class="clear"></div> </div>  <div id="ubjn47ipz" class="x-1"> <div id="ubjn47ipz" class="b-1">基礎(chǔ)信息<span>Product information</span></div> <div id="ubjn47ipz" class="proshowname">產(chǎn)品名稱：<h1>SDY914有線高壓核相儀</h1></div> <p>產(chǎn)品型號(hào)：</p> <p>廠商性質(zhì)：生產(chǎn)廠家</p> <p>所在地：上海市</p> <p>更新時(shí)間：2024-08-01</p> <p>產(chǎn)品簡(jiǎn)介：</p> <p><p> <div id="ubjn47ipz" class="desc">SDY914有線高壓核相儀，應(yīng)用于電力線路、變電所的相位校驗(yàn)和相序校驗(yàn)，具有核相、測(cè)相序、驗(yàn)電等功能。具備很強(qiáng)的抗干擾性，符合（ EMC ）標(biāo)準(zhǔn)要求，適應(yīng)各種電磁場(chǎng)干擾場(chǎng)合。將被測(cè)高電壓相位信號(hào)由采集器取出，經(jīng)過(guò)處理后直接發(fā)射出去。由核相儀接收并進(jìn)行相位比較，對(duì)核相后的結(jié)果定性。因本產(chǎn)品是無(wú)線傳輸，真正達(dá)到安全可靠、快速準(zhǔn)確，適應(yīng)各種核相場(chǎng)合。</div> </p></p> </div>  <div id="ubjn47ipz" class="x-1"> <div id="ubjn47ipz" class="b-1">產(chǎn)品特性<span>Product characteristics</span></div> <link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>其他品牌</td><th>產(chǎn)地類別</th><td>國(guó)產(chǎn)</td></tr><tr><th>應(yīng)用領(lǐng)域</th><td>環(huán)保,石油,地礦,電子,交通</td> <th></th><td></td></tr> </tbody> </table> </section><p><strong>SDY914有線高壓核相儀</strong> 的詳細(xì)介紹</p><p><strong>一、<span style="font-family:tahoma,verdana,geneva,arial,helvetica,sans-serif; font-size:17.3333px"><strong>SDY914有線高壓核相儀</strong></span>工作原理</strong></p><p>圖一中，RA=RA′為固定電阻核相棒。固定電阻Ra=Ra′可調(diào)電阻r與r′和微安表Ig組裝成一只核相表。根據(jù)廣義交流電橋原理。當(dāng)UA=UA′時(shí)，調(diào)節(jié)r和r′可使電橋平衡，即Xg=0，此時(shí)，被測(cè)兩端電端電壓幅度值和電位相同。如果兩端電壓電位相同，而幅值不*相等，調(diào)節(jié)r和r′仍能使電橋平衡。只有當(dāng)兩端相位不相同時(shí)，調(diào)節(jié)r和r′不能使電橋平衡即Ig=0。此時(shí)，被測(cè)兩端電壓不是相同位。</p><p><strong>二、測(cè)試結(jié)果</strong></p><p>1、單根核相棒電阻值和外形測(cè)量結(jié)果見表1。</p><p>表1</p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; color:rgb(73, 72, 72); font-family:microsoft yahei; line-height:24px; max-width:100%; word-break:inherit"><tbody><tr><td colspan="2" style="width:103px"><p>試品</p><p>額定電壓</p><p>（kV）</p></td><td style="width:80px"><p>標(biāo) 稱</p><p>長(zhǎng) 度（m/m）</p></td><td style="width:80px"><p>實(shí) 測(cè)</p><p>長(zhǎng) 度（m/m）</p></td><td style="width:65px"><p>誤差</p><p> </p><p>%</p></td><td style="width:79px"><p>標(biāo) 稱</p><p>電阻值（MΩ）</p></td><td style="width:80px"><p>實(shí) 測(cè)</p><p>電阻值（MΩ）</p></td><td style="width:62px"><p>誤差</p><p> </p><p>%</p></td></tr><tr><td rowspan="2" style="width:54px"><p>10</p></td><td style="width:49px"><p>A</p></td><td style="width:80px"><p>900</p></td><td style="width:80px"><p>865</p></td><td style="width:65px"><p>-5</p></td><td style="width:79px"><p>100</p></td><td style="width:80px"><p>100</p></td><td style="width:62px"><p>0</p></td></tr><tr><td style="width:49px"><p>A′</p></td><td style="width:80px"><p>900</p></td><td style="width:80px"><p>865</p></td><td style="width:65px"><p>-3.8</p></td><td style="width:79px"><p>100</p></td><td style="width:80px"><p>100</p></td><td style="width:62px"><p>0</p></td></tr><tr><td rowspan="2" style="width:54px"><p>35</p></td><td style="width:49px"><p>A</p></td><td style="width:80px"><p>1100</p></td><td style="width:80px"><p>1080.3</p></td><td style="width:65px"><p>-1.7</p></td><td style="width:79px"><p>357</p></td><td style="width:80px"><p>380</p></td><td style="width:62px"><p>6.4</p></td></tr><tr><td style="width:49px"><p>A′</p></td><td style="width:80px"><p>1100</p></td><td style="width:80px"><p>1080.3</p></td><td style="width:65px"><p>-1.7</p></td><td style="width:79px"><p>357</p></td><td style="width:80px"><p>380</p></td><td style="width:62px"><p>6.4</p></td></tr><tr><td rowspan="2" style="width:54px"><p>110</p></td><td style="width:49px"><p>A</p></td><td style="width:80px"><p>1100</p></td><td style="width:80px"><p>1150</p></td><td style="width:65px"><p>4.5</p></td><td style="width:79px"><p>660</p></td><td style="width:80px"><p>740</p></td><td style="width:62px"><p>12</p></td></tr><tr><td style="width:49px"><p>A′</p></td><td style="width:80px"><p>1100</p></td><td style="width:80px"><p>1150</p></td><td style="width:65px"><p>4.5</p></td><td style="width:79px"><p>660</p></td><td style="width:80px"><p>740</p></td><td style="width:62px"><p>12</p></td></tr></tbody></table><p>2、單根核相棒工頻耐壓試驗(yàn)結(jié)果見表2。</p><p> </p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; color:rgb(73, 72, 72); font-family:microsoft yahei; line-height:24px; max-width:100%; width:496px; word-break:inherit"><tbody><tr><td style="width:140px"><p>試品額定電壓（kV）</p></td><td style="width:124px"><p>試驗(yàn)電壓</p><p>（kV）</p></td><td style="width:112px"><p>持續(xù)時(shí)間</p><p>（分）</p></td><td style="width:120px"><p>結(jié) 果</p></td></tr><tr><td style="width:140px"><p>10</p></td><td style="width:124px"><p>50</p></td><td style="width:112px"><p>5</p></td><td style="width:120px"><p>良好</p></td></tr><tr><td style="width:140px"><p>35</p></td><td style="width:124px"><p>105</p></td><td style="width:112px"><p>5</p></td><td style="width:120px"><p>良好</p></td></tr><tr><td style="width:140px"><p>110</p></td><td style="width:124px"><p>300</p></td><td style="width:112px"><p>5</p></td><td style="width:120px"><p>良好</p></td></tr></tbody></table><p>3、單根核相棒、電抗元件發(fā)熱試驗(yàn)結(jié)果見表3。</p><p>表3</p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; color:rgb(73, 72, 72); font-family:microsoft yahei; line-height:24px; max-width:100%; width:559px; word-break:inherit"><tbody><tr><td style="width:95px"><p>試品</p><p>額定電壓</p><p>(kV)</p></td><td style="width:128px"><p>試驗(yàn)</p><p>電壓</p><p>(kV)</p></td><td style="width:96px"><p>測(cè) 量</p><p>電流(uA)</p></td><td style="width:96px"><p>元件</p><p>允許電流(uA)</p></td><td style="width:144px"><p>zui大電流下持續(xù)5分鐘元件的溫升 ℃</p></td></tr><tr><td rowspan="2" style="width:95px"><p>10</p></td><td style="width:128px"><p>1.0u線=10</p></td><td style="width:96px"><p>87</p></td><td rowspan="2" style="width:96px"><p>674</p></td><td rowspan="2" style="width:144px"><p>4.5</p></td></tr><tr><td style="width:128px"><p>2.0u線=20</p></td><td style="width:96px"><p>190</p></td></tr><tr><td rowspan="2" style="width:95px"><p>35</p></td><td style="width:128px"><p>1.0u線=35</p></td><td style="width:96px"><p>93</p></td><td rowspan="2" style="width:96px"><p>443</p></td><td rowspan="2" style="width:144px"><p>5.5</p></td></tr><tr><td style="width:128px"><p>2.0u線=70</p></td><td style="width:96px"><p>184</p></td></tr><tr><td rowspan="2" style="width:95px"><p>110</p></td><td style="width:128px"><p>1.0u相=63.5</p></td><td style="width:96px"><p>72</p></td><td rowspan="2" style="width:96px"><p>443</p></td><td rowspan="2" style="width:144px"><p>5</p></td></tr><tr><td style="width:128px"><p>2.0u相=127</p></td><td style="width:96px"><p>138</p><p> </p></td></tr></tbody></table> </div> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="ubjn47ipz" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> 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