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href="/ParentList-1324322.html">直流高壓發(fā)生器</a> > <a href="/SonList-1324326.html">直流高壓發(fā)生器</a> > ZGF-120KV/5MA直流高壓發(fā)生器 </span></div> <div id="yq00aqiue" class="n-8 c-product">  <div id="yq00aqiue" class="n-top">  <div id="yq00aqiue" class="nn-top"> <ul class="xqytp"> <li data-thumb="http://img72.chem17.com/gxhpic_884f2b1889/5025b523e66012f4cee9149a074c93bd362fe2fafcb3c38814ceb5aedae8babdd4c4b669baa3f929.jpg" class="proimg_bk"><a class="proimg"><img src="http://img72.chem17.com/gxhpic_884f2b1889/5025b523e66012f4cee9149a074c93bd362fe2fafcb3c38814ceb5aedae8babdd4c4b669baa3f929.jpg" /></a></li> </ul> </div> <script type="text/javascript"> $(document).ready(function() { $('.gallery').lightSlider({ gallery:true, minSlide:1, maxSlide:1, currentPagerPosition:'left' }); }); </script> <div id="yq00aqiue" class="clear"></div> </div>  <div id="yq00aqiue" class="x-1"> <div id="yq00aqiue" class="b-1">基礎(chǔ)信息<span>Product information</span></div> <div id="yq00aqiue" class="proshowname">產(chǎn)品名稱：<h1>ZGF-120KV/5MA直流高壓發(fā)生器</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：2025-03-24</p> <p>產(chǎn)品簡介：</p> <p><p> <div id="yq00aqiue" class="desc">ZGF-120KV/5MA直流高壓發(fā)生器主要適用于電力部門、工礦、冶金、鋼鐵等企業(yè)動(dòng)力部門對(duì)氧化鋅避雷器、電力電纜、變壓器、斷路器、發(fā)電機(jī)等高壓電氣設(shè)備進(jìn)行直流耐壓試驗(yàn)或直流泄露電流試驗(yàn)</div> </p></p> </div>  <div id="yq00aqiue" class="x-1"> <div id="yq00aqiue" 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>產(chǎn)地類別</th><td>國產(chǎn)</td> <th></th><td></td></tr> </tbody> </table> </section><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85);"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px">ZGF-120kv/5MA直流高壓發(fā)生器適用范圍</strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:16px">主要適用于電力部門、工礦、冶金、鋼鐵等企業(yè)動(dòng)力部門對(duì)氧化鋅避雷器、電力電纜、變壓器、斷路器、發(fā)電機(jī)等高壓電氣設(shè)備進(jìn)行直流耐壓試驗(yàn)或直流泄露電流試驗(yàn)</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px">ZGF-120kv/5MA直流高壓發(fā)生器<span style="font-size:12pt"><span style="font-family:漢儀中黑簡">技術(shù)特點(diǎn)</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">１、機(jī)箱采用通用型機(jī)箱，立臥兩用。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">２、采用中頻倍壓電路，應(yīng)用PWM脈寬調(diào)制技術(shù)和大功率IGBT器件。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">３、采用電壓大反饋，輸出電壓穩(wěn)定度高，紋波系數(shù)小≤1%。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">４、全量程平滑調(diào)壓，電壓調(diào)節(jié)細(xì)度好調(diào)節(jié)精度≤0.5%，穩(wěn)定度≤1%，電壓電流誤差1%±1個(gè)字。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">５、升壓電位器零起升壓。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">６、 0.75UDC1mA功能按鈕，方便氧化鋅避雷器試驗(yàn)，精度≤1%。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">７、過壓保護(hù)采用拔碼設(shè)定，一目了然，誤差±1%。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><img alt="" src="https://img49.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb5e0d3d6c7dda24c01fd241f340180b70596068f22f35f471c.png" style="border:0px; height:598px; margin:0px; max-width:100%; padding:0px; width:647px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px">ZGF-120kv/2MA直流高壓發(fā)生器<span style="font-size:12pt"><span style="font-family:漢儀中黑簡">工作原理框</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><img alt="" src="https://img48.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb5184c617feee2a05928e03ba96db009ffb5bb62425e2347df.png" style="border:0px; height:410px; margin:0px; max-width:100%; padding:0px; width:612px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px">ZGF-120kv/5MA直流高壓發(fā)生器<span style="font-size:12pt"><span style="font-family:漢儀中黑簡">主要技術(shù)性能及規(guī)格及</span><span style="font-family:宋體">工作方法</span></span></strong><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">：</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"> </p><table border="1" cellspacing="0" style="border-collapse:collapse; border-spacing:0px; border:none; color:rgb(85, 85, 85); font-family:tahoma; font-size:14px; margin-left:6.75pt; margin-right:6.75pt; width:595px"><tbody><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">　　　　規(guī)格</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"> </p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">技術(shù)參數(shù)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">60/2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">60/3</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">80/10</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">120/2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">120/3</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">輸出電壓 (kV)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">60</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">60</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">80</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">120</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">120</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">輸出電流 (mA)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">3</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">10</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">3</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">輸出功率 (W)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">120</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">180</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">800</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">240</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">360</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">充電電流 (mA)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">3</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">10</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">3</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">控制箱重量(kg)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">倍壓筒重量(kg)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2.5</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">2.5</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">4</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">4</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">4</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">倍壓筒規(guī)格(mm)</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">Ф</span></span><span style="font-size:12pt"><span style="font-family:宋體">90</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">340</span></span></p></td><td style="margin: 0px; padding: 0px; width: 96px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">Ф</span></span><span style="font-size:12pt"><span style="font-family:宋體">90</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">　340</span></span></p></td><td style="margin: 0px; padding: 0px; width: 84px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">Ф</span></span><span style="font-size:12pt"><span style="font-family:宋體">90</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">470</span></span></p></td><td style="margin: 0px; padding: 0px; width: 72px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">Ф</span></span><span style="font-size:12pt"><span style="font-family:宋體">90</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">470</span></span></p></td><td style="margin: 0px; padding: 0px; width: 120px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">Ф</span></span><span style="font-size:12pt"><span style="font-family:宋體">90</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">470</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">電壓測量誤差</span></span></p></td><td colspan="5" style="margin: 0px; padding: 0px; width: 468px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">1%(滿度)±1個(gè)字</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">電流測量誤差</span></span></p></td><td colspan="5" style="margin: 0px; padding: 0px; width: 468px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">1%(滿度)±1個(gè)字</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">過壓整定誤差</span></span></p></td><td colspan="5" style="margin: 0px; padding: 0px; width: 468px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">過壓保護(hù)采用撥碼設(shè)置，一目了然（精度</span></span><span style="font-size:12pt"><span style="font-family:宋體">≤</span></span><span style="font-size:12pt"><span style="font-family:宋體">1.0％）</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">0.75切換誤差</span></span></p></td><td colspan="5" style="margin: 0px; padding: 0px; width: 468px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">高精度0.75U</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">DC-1mA</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">單觸按鈕（精度</span></span><span style="font-size:12pt"><span style="font-family:宋體">≤</span></span><span style="font-size:12pt"><span style="font-family:宋體">1.0％）</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">適合氧化鋅避雷器試驗(yàn)</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">波紋系數(shù)</span></span></p></td><td colspan="5" style="margin: 0px; padding: 0px; width: 468px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">≤0.5%</span></span></p></td></tr><tr><td style="margin: 0px; padding: 0px; width: 127px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">工作方式</span></span></p></td><td colspan="5" style="margin: 0px; padding: 0px; width: 468px;"><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">間斷使用：額定負(fù)載30分鐘</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(51, 51, 51);"><span style="font-size:12pt"><span style="font-family:宋體">1.1倍額定電壓使用：10分鐘</span></span></p></td></tr></tbody></table><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"> </p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px">ZGF-120kv/2MA直流高壓發(fā)生器<span style="font-size:12pt"><span style="font-family:漢儀中黑簡">使用說明</span></span></strong></p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; font-size: 14px; color: rgb(85, 85, 85); font-family: Tahoma;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:宋體">面板說明<img alt="" src="https://img47.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb5c5b7751636311974bb5306a8f9756ab5686a05b57611731d.png" style="border:0px; height:284px; margin:0px; max-width:100%; padding:0px; width:384px" /></span></span></strong></li></ul><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"> </p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; font-size: 14px; color: rgb(85, 85, 85); font-family: Tahoma;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">1 數(shù)顯電流表：數(shù)字顯示直流高壓輸出電流。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">2 數(shù)顯電壓表：數(shù)字顯示直流高壓輸出電壓。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">3 黃色帶燈按鈕：紅燈亮?xí)r有效。當(dāng)按下黃色按鈕后黃燈亮，輸出高壓降于原來的0.75倍，并在一分鐘內(nèi)保持此狀態(tài)。此功能是專門為氧化鋅避雷器快速測量0.75U</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">DC-1</span></span></sub><sub><span style="font-size:12pt"><span style="font-family:times new roman">mA</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">用。按下綠色按鈕紅燈、黃燈均滅，高壓切斷并退出0.75倍狀態(tài)。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">4 紅色帶燈按鈕：高壓接通按鈕、高壓指示燈。在綠燈亮的狀態(tài)下，按下紅色按鈕后，紅燈亮綠燈滅，表示高壓回路接通，此時(shí)可升壓。此按鈕須在電壓調(diào)節(jié)電位器回零狀態(tài)下才有效。如按下紅色按鈕紅燈亮綠燈仍亮，但松開按鈕紅燈滅綠燈亮，表示機(jī)內(nèi)保護(hù)電路已工作，此時(shí)必須關(guān)機(jī)檢查過壓整定撥盤開關(guān)設(shè)置是否小于滿量程的5%及有無其它故障后，再開機(jī)。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">5 綠色帶燈按鈕：綠燈亮表示電源已接通及高壓斷開。在紅燈亮狀態(tài)下按下綠色按鈕，紅燈滅綠燈亮，高壓回路切斷。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">6 電源開關(guān)：將此開關(guān)朝右邊按下，電源接通，綠燈亮。反之為關(guān)斷。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">7 過壓整定撥盤開關(guān)：用于設(shè)定過電壓保護(hù)值。過壓速定范圍為0.05～1.2倍額定電壓，撥盤開關(guān)所顯示值單位為kV。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">8 電壓調(diào)節(jié)電位器：該電位器為多圈電位器。順時(shí)針旋轉(zhuǎn)為升壓，反之為降壓。此電位器具備電子零位保護(hù)功能，因此升壓前必須先回零。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">9電源輸入插座：將隨機(jī)配置的電源線與電源輸入插座相聯(lián)。(交流220V±10%，插座內(nèi)自帶保險(xiǎn)管。)</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體"><span style="font-size:12pt">10. </span><span style="font-size:12pt">接地端子：此接地端子與倍壓筒接地端子及試品接地聯(lián)接為一點(diǎn)后再與接地網(wǎng)相連。</span></span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體"><span style="font-size:12pt"><span style="font-size:12pt">11. 中頻及測量電纜快速聯(lián)接插座：用于機(jī)箱與倍壓部分的聯(lián)接。聯(lián)接時(shí)只需將電纜插頭對(duì)準(zhǔn)插座推進(jìn)到位即可。拆線時(shí)先將電纜插頭外面一個(gè)卡圈向后移動(dòng)并稍用力即可。</span></span></span></span></li></ul><p style="margin: 0px 0px 0px 45pt; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><img alt="" src="https://img48.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb56cc0c29c65e5a9ad3fdb7277f4245821609056afa89dc836.png" style="border:0px; height:331px; margin:0px; max-width:100%; padding:0px; width:429px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">三、</span></span>ZGF-120kv/2MA直流高壓發(fā)生器<span style="font-size:12pt"><span style="font-family:漢儀中黑簡">操作說明</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">使用前應(yīng)檢查連接電纜不應(yīng)有斷路和短路現(xiàn)象，倍壓筒不應(yīng)有凝露現(xiàn)象。然后將倍壓筒與控制箱用七芯電纜連接好，倍壓筒和控制箱必須保持足夠距離。用不小于2.5mm²的銅線將被試品、倍壓筒和控制箱三者可靠接地，倍壓筒高壓輸出端經(jīng)微安表與被試品連接好。接通電源開關(guān)，將儀器預(yù)熱5分鐘，然后設(shè)定好所需電流、電壓的值，將升壓電位器沿反時(shí)針方向旋轉(zhuǎn)回到零位，，高壓燈亮?xí)r再沿順時(shí)針方向慢慢調(diào)節(jié)升壓電位器，同時(shí)注視電流表、電壓表數(shù)值，直到達(dá)到所需電流、電壓值時(shí)為止。如需要輸出當(dāng)前電壓的0.75倍值時(shí)，只要按下0.75U按鍵，輸出便自動(dòng)下降到當(dāng)前電壓的0.75倍值，不必調(diào)節(jié)升壓電位器。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"> </p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">（注1），到設(shè)定時(shí)間后儀器便自動(dòng)切斷輸出并報(bào)警。如要終止試驗(yàn)，可按綠燈鍵或關(guān)掉電源來關(guān)閉輸出。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">（注2）：當(dāng)發(fā)生器帶負(fù)載時(shí)，75%按鍵按下后，應(yīng)按下復(fù)位鍵后方能使75%鍵彈起。否則會(huì)損壞設(shè)備。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">四、</span></span>ZGF-120kv/2MA直流高壓發(fā)生器<span style="font-size:12pt"><span style="font-family:漢儀中黑簡">操作步驟</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">● 控制箱上的顯示燈、開關(guān)、旋鈕等已標(biāo)清楚，看此操作說明時(shí)請(qǐng)參照控制箱的面板上元器件名稱使用。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">●倍壓筒底盤側(cè)面有（四）五芯插座為聯(lián)接控制箱電纜之插座，底盤側(cè)面有銅接線柱為接地端子作連接地線用。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">●附帶的高壓屏蔽電流表為數(shù)顯微安表，表頂端上的插孔為連接被試品的線插孔，同時(shí)也作為電源開關(guān)，不用時(shí)請(qǐng)拔掉插頭，就自動(dòng)關(guān)閉電源。換電池時(shí)請(qǐng)將后蓋旋下，換好后請(qǐng)將后蓋旋緊。</span></span></p><p style="margin: 0px 0px 0px 21pt; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.1 使用前準(zhǔn)備</span></span></p><p style="margin: 0px 0px 0px 21pt; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.1.1 試驗(yàn)器在使用前應(yīng)檢查其完好性，聯(lián)接電纜不應(yīng)有斷路和短路，設(shè)備無破裂等損壞。</span></span></p><p style="margin: 0px 0px 0px 21pt; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.1.2 將倍壓筒從機(jī)箱中取出放置到合適的安全位置，分別聯(lián)接好電源線、電纜線和接</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">地線。保護(hù)接地線與工作接地線以及放電棒的接地線均單獨(dú)接到試品的地線上(即一點(diǎn)接地)。嚴(yán)禁各接地線相互串聯(lián)。為此，應(yīng)使用接地線。(見圖4)上。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><img alt="" src="https://img49.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb54d5da48a8a7a950c3c3ea7fb17532a641b1a3cade5a67440.png" style="border:0px; height:228px; margin:0px; max-width:100%; padding:0px; width:348px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma; text-align: center;"><span style="font-size:12pt"><span style="font-family:宋體">圖4 試驗(yàn)回路接地線示意圖</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.1.3 電源開關(guān)放在關(guān)斷位置并檢查調(diào)壓電位器應(yīng)在零位。過電壓保護(hù)整定撥盤開關(guān)設(shè)置在適當(dāng)位置上，一般為1.15 - 1.20倍測試電壓值。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.2 空載升壓試驗(yàn)并驗(yàn)證過電壓保護(hù)整定</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.1 接通電源開關(guān)，此時(shí)綠燈亮，表示電源接通。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.2 按紅色按鈕，則紅燈亮，表示高壓接通。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.3 順時(shí)針方向平緩調(diào)節(jié)調(diào)壓電位器，輸出端即從零開始升壓。升至所需電壓后，按規(guī)定時(shí)間記錄電流表讀數(shù)，并檢查控制箱及輸出電纜有無異?，F(xiàn)象及聲響。必要時(shí)用外接高壓分壓器校準(zhǔn)控制箱上的直流高壓指示。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.4 升電壓至過壓保護(hù)設(shè)定值，機(jī)內(nèi)保護(hù)電路應(yīng)動(dòng)作，綠燈亮、紅燈滅。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.2.5 將調(diào)壓電位器回零，關(guān)閉電源開關(guān)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.3 對(duì)試品進(jìn)行泄漏及直流耐壓試驗(yàn)</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.3.1 在進(jìn)行5.1 </span></span><span style="font-size:12pt"><span style="font-family:times new roman">–</span></span><span style="font-size:12pt"><span style="font-family:宋體"> 5.2 檢查試驗(yàn)確認(rèn)試驗(yàn)無異常情況后即可開始進(jìn)行試品的泄漏及直流耐壓試驗(yàn)。將試品、地線等聯(lián)接好，檢查無后即打開電源。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.3.2 依步驟5.2.1 </span></span><span style="font-size:12pt"><span style="font-family:times new roman">–</span></span><span style="font-size:12pt"><span style="font-family:宋體"> 5.2.3 升壓至所需電壓或電流。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">升壓速度以每秒3 - 5 kV試驗(yàn)電壓為宜。對(duì)于大電容試品升壓時(shí)還需監(jiān)視電流表充電電流不超過試驗(yàn)器的充電電流。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">對(duì)小電容試品如氧化鋅避雷器、磁吹避雷器等先升至所需電壓(電流)的95%，再緩慢仔細(xì)升至所需的電壓(電流)。然后從數(shù)顯表上讀出電壓(電流)值。如需對(duì)氧化鋅避雷器進(jìn)行0.75U</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">DC-1</span></span></sub><sub><span style="font-size:12pt"><span style="font-family:times new roman">mA</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">測量時(shí)，先升至U</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">DC-1</span></span></sub><sub><span style="font-size:12pt"><span style="font-family:times new roman">mA</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">電壓值，然后按下黃色按鈕，此時(shí)電壓即降至原來的75%，</span></span><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:宋體">并在一分鐘內(nèi)保持此狀態(tài)</span></span></strong><span style="font-size:12pt"><span style="font-family:宋體">。此時(shí)可讀取微安數(shù)。測量完畢后，調(diào)壓電位器逆時(shí)針回到零，按下綠色按鈕。需再次升壓時(shí)按紅色按鈕即可。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.3.3 試驗(yàn)完畢，將調(diào)壓電位器逆時(shí)針回到零，按下綠色按鈕，關(guān)閉電源開關(guān)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.4 幾種測量方法</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.1 一般測量時(shí)，當(dāng)接好線后，先把聯(lián)接試品的線懸空，升到試驗(yàn)電壓后讀取空試時(shí)的電暈和雜散電流I</span></span><span style="font-size:12pt"><span style="font-family:times new roman">’</span></span><span style="font-size:12pt"><span style="font-family:宋體">，然后接上試品升到試驗(yàn)電壓讀取總電流I</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">1</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體">。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">試品泄漏電流：I</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">0</span></span></sub><span style="font-size:12pt"><span style="font-family:宋體"> = I</span></span><sub><span style="font-size:12pt"><span style="font-family:宋體">1</span></span></sub> <span style="font-size:12pt"><span style="font-family:times new roman">–</span></span><span style="font-size:12pt"><span style="font-family:宋體">I</span></span><span style="font-size:12pt"><span style="font-family:times new roman">’</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.2 當(dāng)需要精密測量被試品泄漏電流時(shí)，則應(yīng)在高壓側(cè)串入GL型高壓微安表(見圖)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體"><img alt="" src="https://img48.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb55a4bf50a072560d8c41f43b824b9514f01290d3ed68b109f.png" style="border:0px; height:199px; margin:0px; max-width:100%; padding:0px; width:312px" /></span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"> <span style="font-family:宋體; font-size:12pt; text-align:center">圖5 a 微安表接入試品Cχ高壓側(cè)接線圖</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">微安表必須有金屬屏蔽，應(yīng)采用屏蔽線與試品聯(lián)接。高壓引線的屏蔽引出應(yīng)與儀表端的屏蔽緊密聯(lián)接。如果要排除試品表面泄漏電流的影響可在試品高電位端用裸金屬軟線緊密繞幾圈后與高壓引線的屏蔽相聯(lián)接(見圖5b)</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體"> <img alt="" src="https://img47.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb5dc8ab749029229285e3f6a1e8a3ae430cab3fce03ec2f1b3.png" style="border:0px; height:199px; margin:0px; max-width:100%; padding:0px; width:312px" /> </span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體"> </span></span><span style="font-family:宋體; font-size:12pt; text-align:center">b 排除試品Cχ表面影響接線圖</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.3 對(duì)氧化鋅、磁吹避雷器等試品接地端可分開的情況下，也可采用在試品的底部(地電位側(cè))串入電流表進(jìn)行測量的方式。但也必須使用屏蔽線(見圖6a)。當(dāng)要排除試品表面泄漏電流的影響，可用軟的裸銅線在試品地電位端繞上幾圈并與屏蔽線的屏蔽相聯(lián)接(見圖6b)</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"> <img alt="" src="https://img48.chem17.com/gxhpic_884f2b1889/75503484d2cf2c3802945b1bfa5d2fb5e2c4fc93ce5df83c3c2f68f3bd6125c078ca7ba1cd3508d6.png" style="border:0px; height:212px; margin:0px; max-width:100%; padding:0px; width:553px" /></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-family:宋體; font-size:12pt">4.4.4 試驗(yàn)完畢，將調(diào)壓電位器逆時(shí)針回到零，按下綠色按鈕，關(guān)閉電源開關(guān)。</span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.4.5 對(duì)于氧化鋅避雷器等小電容試品一般通過倍壓筒內(nèi)部測壓電阻放電即可。而對(duì)電纜等大電容試品一般要待試品電壓自放電至試驗(yàn)電壓的20%以下，再通過配套的放電棒進(jìn)行放電。待試品充分放電后并掛好接地線，才允許進(jìn)行高壓引線的拆除和更換接線工作。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.5 保護(hù)動(dòng)作后的操作</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">在使用過程中發(fā)現(xiàn)紅燈滅，綠燈亮，直流高壓下降，即為有關(guān)保護(hù)動(dòng)作。此時(shí)應(yīng)按下列步驟操作。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.5.1 關(guān)閉電源開關(guān)，面板指示燈均不亮</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.5.2 將調(diào)壓電位器退回零位。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4.5.3 一分鐘后待機(jī)內(nèi)低壓電容器充分放電后才允許再次打開電源開關(guān)。重新進(jìn)行空載試驗(yàn)并查明情況后可再次升壓試驗(yàn)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:宋體">五</span></span></strong><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">、注意事項(xiàng)</span></span></strong></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">1、為確保人身安全，在此反復(fù)提醒用戶注意控制箱及倍壓筒的良好接地以及停機(jī)后的試品及倍壓筒放電問題。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">2、防止異物進(jìn)入控制箱，如控制箱有風(fēng)扇時(shí)，應(yīng)經(jīng)常檢查風(fēng)扇是否正常運(yùn)轉(zhuǎn)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">3、當(dāng)倍壓筒絕緣筒臟污時(shí)請(qǐng)用干布擦凈，不可用酒精，汽油等有機(jī)類溶劑擦洗。可用洗滌劑清洗絕緣筒表面，等風(fēng)干后方可使用，運(yùn)輸或不使用時(shí)請(qǐng)放入箱內(nèi)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">4、換保險(xiǎn)管時(shí)，請(qǐng)按保險(xiǎn)管座旁標(biāo)定的安培數(shù)更換保險(xiǎn)管。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">5、若高壓屏蔽微安表上顯示"LOW BAT"時(shí)，請(qǐng)更換9V電池，以避免測量誤差。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">6、未經(jīng)允許，請(qǐng)勿開啟控制箱及倍壓筒，否則會(huì)影響產(chǎn)品的保修，自行拆卸廠方概不負(fù)責(zé)。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">7、儀器運(yùn)輸時(shí)應(yīng)避免雨水浸蝕,嚴(yán)防碰撞和墜落。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma; text-align: center;"> </p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:宋體">六</span></span></strong><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:漢儀中黑簡">、</span></span></strong><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:宋體">數(shù)顯式直流高壓微安表</span></span></strong><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:宋體">使用說明書</span></span></strong></p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; font-size: 14px; color: rgb(85, 85, 85); font-family: Tahoma;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">本表用于直流電壓試驗(yàn)時(shí)在高壓側(cè)測量高壓電氣設(shè)備內(nèi)絕緣泄漏電流值，量程為 0～1999.9 uA,（2mA型）0-19999（5mA型）允許電流為20毫安。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">本表原理為法拉第籠等電位屏蔽法測量，所有測量部件均處于金屬球體的屏蔽內(nèi)部。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">直流高壓試驗(yàn)器高壓輸出端經(jīng)高壓限流電阻接到該高壓微安表，再經(jīng)高壓微安表的插頭，屏蔽導(dǎo)線接到被試品。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">為減少被試品高壓線頭裸露時(shí)的電暈離子電流對(duì)內(nèi)絕緣泄漏電流的附加誤差影響，建議用良好的絕緣將被試品高壓接線處包起來。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">該高壓微安表內(nèi)部采用9V干電池電源。高壓引線插頭插入后，內(nèi)部電源接通，拔出時(shí)內(nèi)部斷電，為延長電池壽命建議在停止測量時(shí)盡可能斷開電源。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">電纜或高壓電容器直流耐壓試驗(yàn)時(shí)充電電流值可超過本表額定2毫安小于20毫安時(shí)本表不會(huì)損壞。</span></span></li><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><span style="font-size:12pt"><span style="font-family:宋體">試品直流高壓實(shí)驗(yàn)完畢后，用直流高壓試驗(yàn)放電棒在微安表外殼處放電。</span></span></li></ul><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">注意：放電棒不得直接接觸及高壓直流放電，應(yīng)保持一段距離，待放電棒初產(chǎn)生電暈放電，被試品上電壓逐步下降20%試驗(yàn)電壓時(shí)，再將放電棒觸及微安表外殼放電。后將放電棒接地端地線直接掛在被試品上。</span></span></p><ul style="margin: 0px; padding-right: 0px; padding-left: 0px; list-style: square; border: 0px; font-size: 14px; color: rgb(85, 85, 85); font-family: Tahoma;"><li style="margin: 0px; padding: 0px; list-style: disc inside; border: 0px;"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-size:16px; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"><span style="font-size:12pt"><span style="font-family:宋體">特別注意不準(zhǔn)將地線直接在高壓微安表外殼上直接放電，以免強(qiáng)大的沖擊放電電流引起高壓微安表損壞。</span></span></strong></li></ul><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:12pt"><span style="font-family:宋體">9.本產(chǎn)品免費(fèi)保修三年，終身維修；但違反本使用說明造成損壞時(shí)，修理費(fèi)用戶自理。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:16px"><strong style="color:rgb(51, 51, 51); font-family:微軟雅黑; font-stretch:normal; font-variant-east-asian:normal; font-variant-numeric:normal; line-height:30px"> <span style="color:rgb(255, 0, 0)">直流高壓發(fā)生器</span></strong><span style="color:rgb(255, 0, 0)"><span style="font-family:黑體; text-align:center">安全警告</span></span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:16px"><span style="font-family:宋體">● </span> <span style="font-family:宋體">使用直流高壓試驗(yàn)器的工作人員必須是具有“高壓試驗(yàn)上崗證”的專業(yè)人員。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:16px"><span style="font-family:宋體">● 使用本儀器請(qǐng)用戶必須按《電力安規(guī)》168條規(guī)定，并在工作電源進(jìn)入試驗(yàn)器前加裝兩個(gè)明顯斷開點(diǎn)；當(dāng)更換試品和接線時(shí)應(yīng)先將兩個(gè)電源斷開點(diǎn)明顯斷開。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:16px"><span style="font-family:宋體">● 試驗(yàn)前請(qǐng)檢查試驗(yàn)器控制箱、倍壓筒和試品的接地線是否接好。試驗(yàn)回路接地線應(yīng)按本說明書（圖4）所示一點(diǎn)接地。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:16px"><span style="font-family:宋體">● 對(duì)大電容試品的放電應(yīng)經(jīng)100Ω/V放電電阻棒對(duì)試品放電。放電時(shí)不能將放電棒立即接觸試品，應(yīng)先將放電棒逐漸接近試品，至一定距離高空氣間隙開始游離放電．有嘶嘶聲：當(dāng)無聲音時(shí)可用隨電棒放電，后直接接上地線放電。</span></span></p><p style="margin: 0px; padding: 0px; color: rgb(85, 85, 85); font-size: 14px; font-family: Tahoma;"><span style="font-size:16px"><span style="font-family:宋體">●</span><span style="font-family:times new 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