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style="margin-right: 0px; margin-bottom: 20px; margin-left: 0px; padding: 0px; font-weight: normal; font-size: 22px; font-family: arial, sans-serif; background-color: rgb(255, 255, 255); margin-top: 0px !important;">直流高壓發(fā)生器是做什么的</h2><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); word-wrap: break-word; font-family: arial, sans-serif; background-color: rgb(255, 255, 255); line-height: 28px !important;">　　當我們開始接觸直流高壓發(fā)生器的時候，就會發(fā)現(xiàn)它的運用范圍其實非常廣泛，很多企業(yè)都在使用，從而可以看出它的實用價值，那么，直流高壓發(fā)生器主要是用來干什么的呢？</p><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); word-wrap: break-word; font-family: arial, sans-serif; background-color: rgb(255, 255, 255); line-height: 28px !important;">　　直流高壓發(fā)生器的作用主要是用于電力檢修部門、工礦、鋼鐵、冶金、船舶等企業(yè)中的動力部門用來對電力<span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51) !important;text-decoration:underline;">電纜</span>、<span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51) !important;text-decoration:underline;">發(fā)電</span>機、<span style="margin: 0px; padding: 0px;text-decoration:underline;">氧化</span>鋅避雷器、高壓<span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51) !important;text-decoration:underline;">開關</span>、<span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51) !important;text-decoration:underline;">變壓器</span>等高壓電氣設備進行直流耐壓試驗的。</p><div class="yq00aqiue" id="new-middle-berry" style="margin: 0px 0px 15px; padding: 0px; color: rgb(51, 51, 51); word-wrap: break-word; width: 590px; font-family: arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"></div><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); word-wrap: break-word; font-family: arial, sans-serif; background-color: rgb(255, 255, 255); line-height: 28px !important;">　　由于直流耐壓試驗出于電力安全角度來說有著其必要性，因此，直流高壓發(fā)生器的重要性也得到了很好的體現(xiàn)。從這個角度來說，直流高壓發(fā)生器性能的好壞直接關系到直流耐壓試驗的成功與否。</p><h2 style="margin: 40px 0px 20px; padding: 0px; font-weight: normal; font-size: 22px; font-family: arial, sans-serif; background-color: rgb(255, 255, 255);">　　直流高壓發(fā)生器的原理</h2><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); word-wrap: break-word; font-family: arial, sans-serif; background-color: rgb(255, 255, 255); line-height: 28px !important;">　　直流高壓發(fā)生器簡稱直高發(fā)，又稱高壓發(fā)生器、中頻直流高壓發(fā)生器、高壓直流發(fā)生器、直流發(fā)生器、便攜式直流高壓發(fā)生器、高頻直流高壓發(fā)生器、交直流高壓發(fā)生器。</p><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); word-wrap: break-word; font-family: arial, sans-serif; background-color: rgb(255, 255, 255); line-height: 28px !important;">　　新型直流高壓發(fā)生器提供直流高壓源，是專門用來檢測電力器件的電氣絕緣強度和泄漏電流。智能直流高壓發(fā)生器是根據(jù)中國行業(yè)標準ZBF 24003-90《便攜式直流高壓發(fā)生器通用技術條件》的要求，<span style="margin: 0px; padding: 0px;text-decoration:underline;">新型</span>研究、設計、制造的，是新時代產(chǎn)品，智能直流高壓發(fā)生器具有多種保護功能，如：低壓過流、低壓過壓、高壓過流、高壓過壓、零位保護、不接地保護等。故障取樣采用專用的<span style="margin: 0px; padding: 0px; color: rgb(51, 51, 51) !important;text-decoration:underline;">傳感器</span>，動作時間為納秒級，光隔離元件也為納秒級，動作時間一般在10微秒可*關斷直流主回路，從而最大的保護了儀器不受損傷。</p><h2 style="margin: 40px 0px 20px; padding: 0px; font-weight: normal; font-size: 22px; font-family: arial, sans-serif; background-color: rgb(255, 255, 255);">　 <span style="font-size: 16px;">直流高壓發(fā)生器是電力預防性試驗設備中比較常見的直流耐壓裝置，早期，直流高壓發(fā)生器可用于電力電纜的直流耐壓試驗，用來檢查電纜的絕緣性能，但是，隨著電力預防性試驗的研究發(fā)現(xiàn)，直流狀態(tài)下檢查絕緣性能并不完善，相對于串聯(lián)諧振試驗裝置一類的交流耐壓設備，直流高壓發(fā)生器反而對電纜的隱性破壞更大，慢慢的直流高壓發(fā)生器的使用范圍受到一定程度的局限，現(xiàn)階段，直流高壓發(fā)生器主要用于測量氧化鋅避雷器的泄露電流或者是充當直流電源。</span></h2><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">直流高壓發(fā)生器采用多級電壓預穩(wěn)電路、多環(huán)節(jié)電壓反饋電路、高穩(wěn)定低溫漂取樣電阻、級電子器件等措施，使輸出電壓穩(wěn)定度達到0.05%～0.03%，波紋系數(shù)小于0.1%，特別適合各級計量傳遞部門、各省電力科學試驗研究院和相關院校建立高壓直流標準時作為高穩(wěn)定試驗電源。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">直流高壓發(fā)生器常見故障加以說明：</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">一、按下直流高壓發(fā)生器的電源開關，數(shù)顯表不亮。發(fā)生這種情況，需要檢查所有保險管和電源連線是否有異常，有可能是保險管損壞。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">二、按下直流高壓發(fā)生器的電源開關，數(shù)顯表亮，綠色顯示燈不亮，表示無法加高壓。導致這種故障的原因可能有兩種：</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">1、如果直流高壓發(fā)生器的"歸零"燈亮，表示沒有歸零，需要逆時針轉動高壓輸出調(diào)整鈕和微調(diào)旋鈕，直到歸零燈滅，即可恢復正常。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">2、如果直流高壓發(fā)生器的其它燈亮，例如（1）接地保護燈亮，（2）斷線保護燈亮。此情況有三種可能的原因：一是接地線沒接好，或地線不可靠接地。二是高壓塔和控制箱的連接電纜沒接好，或者電纜線兩端焊接頭脫焊時，也會造成此情況。三是控制箱內(nèi)的某一線頭脫焊斷開。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">三、直流高壓發(fā)生器一切正常，但在沒升到額定輸出電壓的過程中保護。會造成兩種現(xiàn)象：</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">1、"過流"燈亮?？赡苡袃煞N原因造成：（1）泄漏電流過大或者試驗品短路。（2）大電容負載時，升壓速度過快。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">2、"過壓"燈亮，說明過壓保護整定旋鈕未置于大處。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">四、所有故障顯示燈都亮。造成此原因可能是試驗品在高壓下發(fā)生短路，短路電流大，因此所有燈都亮。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">五、試驗品故障排除后，燈依然亮，表示高壓無法加入。由于電源開關兼為故障保護重置開關，因此會造成此現(xiàn)象，重啟即可。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 宋體, Tahoma, Arial; background-color: rgb(255, 255, 255);">直流高壓發(fā)生器一般采用工頻高壓經(jīng)高壓硅堆整流而獲得直流高壓。這種方式因設備體積大、穩(wěn)定度差、紋波系數(shù)高而早已不被采用。現(xiàn)在只見于少數(shù)實驗室自制、精度要求不高的場合，以及部分安檢用x光機中。直流高壓發(fā)生器電壓調(diào)節(jié)穩(wěn)定度高，全量程平滑調(diào)壓，輸出電壓調(diào)節(jié)采用進口單個多圈電位器，升壓過程平穩(wěn)，調(diào)節(jié)精度高，并設計有粗調(diào)和細調(diào)功能。電壓調(diào)節(jié)精度優(yōu)于0.1%，電壓、電流測量誤差小于1.0%，脈動因數(shù)優(yōu)于0.5%。按免維修設計，主要部件均選用美、德、日等國進口*技術的元器件，經(jīng)久耐用，不怕連續(xù)對地直接短路放電。具有較高的電壓穩(wěn)定，微小的紋波因數(shù)，以及快速可靠的保護電路，可耐受大電容試品對地直接放電，且整機休積小，重量輕，方便野外使用。</p> <div id="yq00aqiue" class="clear"></div> </div> <div id="yq00aqiue" class="article"> <p>上一篇：<a href="/Article-2942699.html">YDJ系列油浸式試驗變壓器講解</a></p> <p>下一篇：<a 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href="/ParentList-1324322.html" onmouseover="showsubmenu('直流高壓發(fā)生器')" class="yj">直流高壓發(fā)生器</a> <div class="yq00aqiue" id="submenu_直流高壓發(fā)生器" style="display:none"> <ul> <li><a href="/SonList-1324326.html">> 直流高壓發(fā)生器</a></li> <li><a href="/SonList-1324324.html">> ZGF直流高壓發(fā)生器</a></li> </ul> </div> </li> <li><a href="/ParentList-1324311.html" onmouseover="showsubmenu('電工電修工具設備總匯')" class="yj">電工電修工具設備總匯</a> <div class="yq00aqiue" id="submenu_電工電修工具設備總匯" style="display:none"> <ul> <li><a href="/SonList-1324320.html">> 電動切紙機</a></li> <li><a href="/SonList-1324319.html">> 電工絕緣材料</a></li> <li><a href="/SonList-1324318.html">> 電機槽楔</a></li> <li><a href="/SonList-1324316.html">> 橡膠錘、電工鑿</a></li> <li><a href="/SonList-1324314.html">> 不銹鋼通條、通刷</a></li> <li><a href="/SonList-1324313.html">> 不銹鋼劃線板</a></li> <li><a href="/SonList-1324312.html">> 不銹鋼壓線板</a></li> </ul> </div> </li> <li><a href="/ParentList-1324298.html" onmouseover="showsubmenu('漆包線電動刮漆器總匯')" class="yj">漆包線電動刮漆器總匯</a> <div 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<li><a href="/SonList-1324056.html">> 研磨機</a></li> <li><a href="/SonList-1323969.html">> 砂輪機/拋光機/鉆床</a></li> <li><a href="/SonList-1323795.html">> 液壓鋼絲繩切斷器</a></li> <li><a href="/SonList-1323794.html">> 剪床/折彎機</a></li> <li><a href="/SonList-1323793.html">> 臥式帶鋸床</a></li> <li><a href="/SonList-1323792.html">> 空氣壓縮機</a></li> <li><a href="/SonList-1323791.html">> 多功能電沖機</a></li> <li><a href="/SonList-1323790.html">> 液壓角鋼切斷機</a></li> <li><a href="/SonList-1323789.html">> 磁座鉆</a></li> <li><a href="/SonList-1323788.html">> 多功能壓力機</a></li> <li><a href="/SonList-1323786.html">> 液壓螺栓拉伸器</a></li> <li><a href="/SonList-1323785.html">> 螺栓修復器</a></li> <li><a href="/SonList-1323784.html">> 液壓法蘭分離器</a></li> <li><a href="/SonList-1323783.html">> 多功能液壓開孔器</a></li> <li><a href="/SonList-1323782.html">> 斷頭螺絲取出器</a></li> <li><a href="/SonList-1323781.html">> 液壓螺帽破開器</a></li> </ul> </div> </li> <li><a href="/ParentList-1323603.html" onmouseover="showsubmenu('搬運吊裝工具總匯')" class="yj">搬運吊裝工具總匯</a> <div 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