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直(zhi)流高壓發生器(qi)是(shi)提(ti)供高壓直(zhi)流電源的(de)設備(bei)。使用(yong)(yong)設備(bei)之(zhi)前，需要(yao)確(que)保設備(bei)接(jie)地。使用(yong)(yong)直(zhi)流高壓發電機(ji)的(de)員工需要(yao)具有“高壓測試(shi)證書”的(de)專家。要(yao)使用(yong)(yong)直(zhi)流高壓發生器(qi)，用(yong)(yong)戶必須(xu)遵守《電氣安全規程》第168條的(de)規定，并在工作電源進(jin)入測試(shi)儀(yi)之(zhi)前安裝兩個(ge)明顯的(de)斷開點(dian)。用(yong)(yong)測試(shi)產品更(geng)換接(jie)線時，必須(xu)先明確(que)斷開兩個(ge)電源斷開點(dian)。同(tong)時，必須(xu)至(zhi)少(shao)有三(san)名工人在現(xian)場，以確(que)保使用(yong)(yong)者的(de)安全。
在(zai)打(da)開設(she)備電(dian)(dian)(dian)(dian)(dian)(dian)源之(zhi)前，請(qing)(qing)確保將(jiang)直流高壓發(fa)(fa)生器(qi)(qi)連接(jie)到220V交流電(dian)(dian)(dian)(dian)(dian)(dian)源，仔細檢查接(jie)線，并確保高壓放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)棒(bang)的(de)接(jie)線可(ke)靠。請(qing)(qing)在(zai)直流高壓發(fa)(fa)生器(qi)(qi)的(de)升(sheng)壓/降壓過程中，必須保持(chi)緩(huan)慢的(de)上升(sheng)和減速，穩(wen)定的(de)升(sheng)壓是延長直流高壓發(fa)(fa)生器(qi)(qi)壽命(ming)的(de)要(yao)點之(zhi)一。另外(wai)，請(qing)(qing)勿在(zai)超出范(fan)圍(wei)的(de)范(fan)圍(wei)內(nei)使用(yong)設(she)備。每(mei)次測(ce)試(shi)(shi)后(hou)(hou)，將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)勢差計返回零位，關閉(bi)電(dian)(dian)(dian)(dian)(dian)(dian)源，然后(hou)(hou)彈出測(ce)試(shi)(shi)產品。放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)過程分為(wei)兩個(ge)階段。對(dui)大電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)試(shi)(shi)品的(de)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)應(ying)用(yong)ZS放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)阻棒(bang)對(dui)試(shi)(shi)品放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)。放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)時不(bu)(bu)能(neng)將(jiang)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)棒(bang)立即接(jie)觸(chu)試(shi)(shi)品，應(ying)先將(jiang)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)棒(bang)逐(zhu)漸接(jie)近(jin)試(shi)(shi)品，到一定距離空(kong)氣間隙(xi)開始游離放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)，有(you)嘶嘶聲，當(dang)無聲音時可(ke)用(yong)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)棒(bang)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)，后(hou)(hou)直接(jie)接(jie)上地(di)線放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)。當(dang)直流高壓為(wei)200kV或更高時，測(ce)試(shi)(shi)儀穿著絕(jue)緣鞋，不(bu)(bu)在(zai)安(an)全距離之(zhi)內(nei)，但是由于(yu)高壓直流離子的(de)空(kong)間電(dian)(dian)(dian)(dian)(dian)(dian)場分布(bu)的(de)影(ying)響(xiang)，附近(jin)人體(ti)的(de)直流電(dian)(dian)(dian)(dian)(dian)(dian)勢會(hui)有(you)所不(bu)(bu)同(tong)。檢查員不(bu)(bu)得搖動或觸(chu)摸(mo)地(di)面(mian)接(jie)觸(chu)物體(ti)。會(hui)發(fa)(fa)生輕微的(de)電(dian)(dian)(dian)(dian)(dian)(dian)擊。這種現象在(zai)干燥地(di)區和冬季(ji)更為(wei)明顯，但是由于(yu)其能(neng)量低，通常不(bu)(bu)會(hui)傷(shang)害人體(ti)。
直流(liu)高壓(ya)發生器(qi)控制(zhi)箱(xiang)的電(dian)(dian)源(yuan)(yuan)為AC220V±10%，50Hz。在現場以1/1隔離或自發電(dian)(dian)源(yuan)(yuan)更換電(dian)(dian)源(yuan)(yuan)時，則必須人(ren)為將電(dian)(dian)源(yuan)(yuan)的一點(dian)與(yu)大地聯接。
