200KV中(zhong)頻控制(zhi)箱的結構(gou)
1、控(kong)制箱(xiang)接(jie)(jie)地(di)(di)端(duan)子(zi)：控(kong)制箱(xiang)接(jie)(jie)地(di)(di)端(duan)子(zi)與(yu)倍壓筒接(jie)(jie)地(di)(di)端(duan)子(zi)及試品接(jie)(jie)地(di)(di)聯接(jie)(jie)為一點后再(zai)與(yu)接(jie)(jie)地(di)(di)網(wang)相連。
2、中頻(pin)及測量電(dian)纜快速聯接(jie)插座：用于機箱與倍壓(ya)部分的連接(jie)。連接(jie)時(shi)只需將電(dian)纜壓(ya)下插頭(tou)順時(shi)針(zhen)方向轉動到(dao)位，拆線時(shi)只需逆時(shi)針(zhen)轉動電(dian)纜插頭(tou)。
3、過(guo)壓整(zheng)定撥盤開(kai)關(guan)：用于設定過(guo)電(dian)壓保護值。撥盤開(kai)關(guan)所顯(xian)示單位(wei)為kV，設定值為試驗電(dian)壓1.1倍。
4、電源(yuan)輸(shu)入插座(zuo)(zuo)：將隨機配置的(de)電源(yuan)線與(yu)電源(yuan)輸(shu)入插座(zuo)(zuo)相連(lian)（交流(liu)220V±10%，插座(zuo)(zuo)內自帶保險管(guan)。）
5、數顯電(dian)(dian)壓表：數字(zi)顯示直流高壓輸出電(dian)(dian)壓。
6、數顯(xian)電流(liu)(liu)表：數字(zi)顯(xian)示直流(liu)(liu)高壓輸出電流(liu)(liu)。
200KV直流高壓發(fa)生(sheng)器倍壓筒的結構
1、高(gao)壓引出(chu)接線柱（可連接微安表和水電阻或限流電阻）
2、均壓球
3、倍壓筒體
4、接地端子
5、中頻連接端子
6、底座
工(gong)作原(yuan)理
將(jiang)直流(liu)高壓發生(sheng)器(qi)機箱(xiang)、倍壓筒放(fang)(fang)置(zhi)到合(he)適(shi)位(wei)(wei)置(zhi)分(fen)別連接(jie)好電(dian)(dian)(dian)(dian)源(yuan)線(xian)、電(dian)(dian)(dian)(dian)纜線(xian)和(he)接(jie)地(di)(di)線(xian)，保護(hu)(hu)接(jie)地(di)(di)線(xian)與工作(zuo)接(jie)地(di)(di)線(xian)以(yi)及(ji)放(fang)(fang)電(dian)(dian)(dian)(dian)棒的接(jie)地(di)(di)線(xian)均(jun)應單獨接(jie)到視頻的底線(xian)上（即一點接(jie)地(di)(di)），電(dian)(dian)(dian)(dian)源(yuan)開關放(fang)(fang)在(zai)(zai)關斷位(wei)(wei)置(zhi)并(bing)檢(jian)查(cha)(cha)調壓電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)應在(zai)(zai)零位(wei)(wei)。過(guo)電(dian)(dian)(dian)(dian)壓保護(hu)(hu)整定值一般為試(shi)驗(yan)電(dian)(dian)(dian)(dian)壓的1.1倍。順時針方(fang)向平緩調節電(dian)(dian)(dian)(dian)位(wei)(wei)器(qi)，輸入端即從零開始升壓。升至所需(xu)電(dian)(dian)(dian)(dian)壓后，按規定之間記錄電(dian)(dian)(dian)(dian)流(liu)表讀書，并(bing)檢(jian)查(cha)(cha)控(kong)制想及(ji)電(dian)(dian)(dian)(dian)壓輸出線(xian)有無異常現(xian)象即聲響。
升(sheng)壓(ya)(ya)至(zhi)所需電(dian)壓(ya)(ya)或電(dian)流(liu)(liu)(liu)。升(sheng)壓(ya)(ya)速度以每秒3-5kV試驗電(dian)壓(ya)(ya)為宜。對(dui)于大電(dian)容(rong)試品升(sheng)壓(ya)(ya)時還需監視(shi)電(dian)流(liu)(liu)(liu)表(biao)充電(dian)電(dian)流(liu)(liu)(liu)不超過試驗器(qi)的(de)(de)最大充電(dian)電(dian)流(liu)(liu)(liu)。對(dui)小電(dian)容(rong)試品如氧(yang)化鋅避(bi)雷器(qi)、磁(ci)吹避(bi)雷器(qi)等先升(sheng)至(zhi)所需電(dian)壓(ya)(ya)（電(dian)流(liu)(liu)(liu)）的(de)(de)95%，再緩慢(man)仔細升(sheng)至(zhi)所需的(de)(de)電(dian)壓(ya)(ya)（電(dian)流(liu)(liu)(liu)）。然后從數顯(xian)表(biao)上讀出電(dian)壓(ya)(ya)（電(dian)流(liu)(liu)(liu)）值，然后按下黃色按鈕，此(ci)時電(dian)壓(ya)(ya)即降至(zhi)原來(lai)的(de)(de)75%，并保持此(ci)狀態。此(ci)時可(ke)讀取的(de)(de)電(dian)流(liu)(liu)(liu)測量完畢(bi)。
直流高壓(ya)發生器操作(zuo)步驟.
1、使用前確保儀(yi)器完好無(wu)損，接線正確無(wu)誤。（進(jin)行容性負載測試時(shi)，請務(wu)必連接上線電流(liu)電阻）
2、將機箱的倍壓筒放在合(he)適的位(wei)置，分(fen)別(bie)連接(jie)(jie)(jie)電源線(xian)(xian)(xian)、電纜(lan)線(xian)(xian)(xian)和(he)接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)。保護接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)和(he)工作接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)以及放電條的接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)應(ying)分(fen)別(bie)連接(jie)(jie)(jie)到測試產品的接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)（即一點接(jie)(jie)(jie)地(di)(di)）。嚴禁各接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)相(xiang)互串聯。為此，應(ying)使用DHV專用接(jie)(jie)(jie)地(di)(di)線(xian)(xian)(xian)。
3、將電源開(kai)關(guan)置(zhi)于(yu)關(guan)閉位(wei)(wei)置(zhi)，檢查(cha)調壓電位(wei)(wei)器是否(fou)處于(yu)零位(wei)(wei)。過(guo)壓保護設(she)定值(zhi)通常為試驗電壓的(de)1.1倍。
4、空(kong)載(zai)升壓(ya)(ya)以驗(yan)證(zheng)過壓(ya)(ya)保護(hu)設(she)置是否靈敏。
5、打(da)開(kai)電(dian)源開(kai)關，紅燈亮，表示電(dian)源已打(da)開(kai)。
6、按(an)綠色按(an)鈕，綠燈亮，表示(shi)高壓已打開。
7、順時針方向(xiang)平(ping)穩(wen)調節電(dian)壓(ya)(ya)調節器(qi)。輸出端子從零開始升壓(ya)(ya)。上(shang)升到所需電(dian)壓(ya)(ya)后，根據時間記錄電(dian)流表讀數，并檢查控制(zhi)箱和高壓(ya)(ya)輸出線是否(fou)有異常和聲音。
8、降(jiang)壓(ya)后(hou)，降(jiang)穩壓(ya)器(qi)調回零(ling)后(hou)，按紅色按鈕切斷高壓(ya)，然后(hou)關閉電(dian)源開(kai)關。
9、升壓對試(shi)(shi)品進(jin)行泄漏(lou)及直流耐(nai)壓試(shi)(shi)驗，在進(jin)行檢查測試(shi)(shi)以確認測試(shi)(shi)儀(yi)中沒(mei)有異常(chang)之后，可以開始測試(shi)(shi)試(shi)(shi)品泄漏(lou)和DC耐(nai)壓測試(shi)(shi)儀(yi)。連接試(shi)(shi)品地線(xian)等，檢查后打開電源(yuan)。
10、升(sheng)壓(ya)(ya)(ya)(ya)(ya)到所(suo)需的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)或(huo)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。升(sheng)壓(ya)(ya)(ya)(ya)(ya)速度優選為每秒(miao)3-5kV的(de)(de)測試(shi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。當(dang)增大大電(dian)(dian)(dian)(dian)(dian)容樣本時，還必(bi)須監視(shi)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)表充(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)不超過測試(shi)儀(yi)的(de)(de)最大充(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。對于小型電(dian)(dian)(dian)(dian)(dian)容器(qi)試(shi)品，如氧化(hua)鋅避雷器(qi)、磁力避雷器(qi)等(deng)，首先上升(sheng)到所(suo)需電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)（電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)）的(de)(de)95%，然(ran)后緩慢上升(sheng)到所(suo)需的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)（電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)），然(ran)后從數字顯示器(qi)讀取電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)（電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)）值。如有必(bi)要，使用外部高壓(ya)(ya)(ya)(ya)(ya)分(fen)壓(ya)(ya)(ya)(ya)(ya)器(qi)比較控制箱上的(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。
11、測試完成后，降(jiang)壓并(bing)關閉(bi)電源。
