YDJ-20KVA/50KV交(jiao)直流(liu)(liu)工頻(pin)高壓(ya)試驗變壓(ya)器適用(yong)于電力(li)系統對各種(zhong)高壓(ya)電氣(qi)設備(bei)及絕(jue)緣材(cai)料進行工頻(pin)或(huo)直流(liu)(liu)高壓(ya)下的絕(jue)緣強(qiang)度試驗,20kVA/50kV高壓(ya)試驗變壓(ya)器容量為3kVA~300kVA,可根據客戶需求(qiu)定制。
YDJ-30KVA/50KV交直流工頻高壓(ya)(ya)試(shi)(shi)驗(yan)變壓(ya)(ya)器在升壓(ya)(ya)或耐壓(ya)(ya)試(shi)(shi)驗(yan)過程,如(ru)發現下列不(bu)(bu)正常情況時,應立即降(jiang)壓(ya)(ya),切斷電源,停止試(shi)(shi)驗(yan)并查明原因:①電壓(ya)(ya)表(biao)指(zhi)針擺動很(hen)大;②發現絕緣(yuan)燒焦或冒煙(yan);③被試(shi)(shi)品內有不(bu)(bu)正常的聲(sheng)音。
YDJ-50KVA/50KV交(jiao)直流工頻高(gao)壓(ya)試(shi)(shi)驗變壓(ya)器(qi)試(shi)(shi)驗變壓(ya)器(qi)的漏抗必須存在著壓(ya)降。為了(le)準確測量被試(shi)(shi)品(pin)上所施(shi)加電(dian)壓(ya),因此常在高(gao)壓(ya)側接入RCF阻容分壓(ya)器(qi)來測量電(dian)壓(ya)。
YDJ-5KVA/100KV交直流工頻高壓(ya)(ya)試(shi)(shi)驗(yan)(yan)變壓(ya)(ya)器(qi)電(dian)壓(ya)(ya)輸出至試(shi)(shi)驗(yan)(yan)變壓(ya)(ya)器(qi)的初(chu)級繞(rao)(rao)組(zu),根據電(dian)磁感應原(yuan)理,在試(shi)(shi)驗(yan)(yan)變壓(ya)(ya)器(qi)高壓(ya)(ya)繞(rao)(rao)組(zu)可(ke)獲得(de)試(shi)(shi)驗(yan)(yan)所需的高電(dian)壓(ya)(ya)。
YDJ-10KVA/100KV交直流(liu)工頻高壓(ya)(ya)(ya)試驗變壓(ya)(ya)(ya)器(qi)為(wei)了同時滿足一個(ge)(ge)變壓(ya)(ya)(ya)器(qi)電(dian)壓(ya)(ya)(ya)較(jiao)(jiao)高電(dian)壓(ya)(ya)(ya)較(jiao)(jiao)小與電(dian)流(liu)較(jiao)(jiao)低電(dian)流(liu)較(jiao)(jiao)大之間的(de)(de)矛盾,將高壓(ya)(ya)(ya)繞組分成兩個(ge)(ge)來繞,一個(ge)(ge)是電(dian)流(liu)較(jiao)(jiao)大的(de)(de)繞組,另一個(ge)(ge)是電(dian)流(liu)較(jiao)(jiao)小的(de)(de)繞組,然后(hou)兩個(ge)(ge)繞組串(chuan)接分別引出(chu),