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class="eja">隔離開關(guān)觸頭壓力測試儀</a></li> </ul> </div> </li> </ul> </div> </div></div> <div id="f0kbceeioz" class="inpage_right"> <div id="f0kbceeioz" class="mbx2"><a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 2021-06-08</div> <div id="f0kbceeioz" class="inpage_content"> <div id="f0kbceeioz" class="nr_main_box"> <h1 class="inside_rnewtil">直流高壓發(fā)生器有哪些技術(shù)要點</h1> <div id="f0kbceeioz" class="inside_rnewtime">點擊次數(shù)：747 更新更新時間：2021-06-08</div> <div id="f0kbceeioz" class="inside_rnewcon"><p><strong>直流高壓發(fā)生器有哪些技術(shù)要點</strong></p><p> <span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">直流高壓發(fā)生器應(yīng)用PWM脈寬調(diào)制技術(shù)和大功率IGBT器件，采用電壓大反饋，輸出電壓穩(wěn)定度高，紋波系數(shù)小。主要適用于電力部門、工礦、冶金、鋼鐵等企業(yè)動力部門對氧化鋅避雷器、電力電纜、變壓器、斷路器、發(fā)電機等高壓電氣設(shè)備進行直流耐壓試驗或直流泄露電流試驗。產(chǎn)品特點：</span></p><p><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">1、機箱采用通用型機箱，立臥兩用。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">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><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">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><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">4、全量程平滑調(diào)壓，電壓調(diào)節(jié)細度好調(diào)節(jié)精度≤0.5%，穩(wěn)定度≤1%，電壓電流誤差1%±1個字。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">5、升壓電位器零起升壓。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">6、0.75UDC1mA功能按鈕，方便氧化鋅避雷器試驗，精度≤1%。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">7、過壓保護采用拔碼設(shè)定，一目了然，誤差±1%。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;"> </span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">直流高壓發(fā)生器在使用時要注意環(huán)境因素：</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">1、應(yīng)該避免放在潮濕、高溫、多塵的環(huán)境中。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">2、避免上潮，等損壞直流高壓發(fā)生器的操作。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">3、避免高溫，出現(xiàn)電池短命，元器件溶化等問題。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">4、直流高壓發(fā)生器是精密的電子儀器不可隨意的打開，在打開之時我們要做好相關(guān)的保護措施，以外毀壞。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">5、避免上潮銹蝕里面的元器件，使用不了。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">6、長時間不使用的情況下，應(yīng)該取出里面的電池。避免長久不用，內(nèi)部產(chǎn)生放電的作用，損壞直流高壓發(fā)生器。在我們經(jīng)常的操作過程中，應(yīng)該z少一年換一次電池。以免電池的作用影響直流高壓發(fā)生器的工作出現(xiàn)問題。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">7、避免多塵出現(xiàn)灰塵吹進直流高壓發(fā)生器造成短路等原因。使得電池沖電損壞直流高壓發(fā)生器。</span><br style="font-family: 宋體, Tahoma, Arial; font-size: 14px;" /><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;">8、在長久的沒有運用直流高壓發(fā)生器，我們在需要運用的時候，需要檢測耐壓試驗，數(shù)據(jù)值是否準確，絕緣桿是否正常。</span></p><p><span style="font-family: 宋體, Tahoma, Arial; font-size: 14px;"><img alt="" src="https://img77.chem17.com/9/20210608/637587843178293105651.png" style="width: 672px; height: 767px;" /></span></p></div> <div id="f0kbceeioz" 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