本系列調壓(ya)(ya)(ya)控制(zhi)操(cao)作(zuo)(zuo)箱(xiang)用于0.5～100KVA試(shi)(shi)驗(yan)(yan)變壓(ya)(ya)(ya)器(qi)、大(da)電(dian)(dian)流發生器(qi)的(de)調壓(ya)(ya)(ya)控制(zhi)。其工(gong)作(zuo)(zuo)原(yuan)理是(shi)(shi)：通過調整自(zi)耦調壓(ya)(ya)(ya)器(qi)輸出電(dian)(dian)壓(ya)(ya)(ya)，實現試(shi)(shi)驗(yan)(yan)變壓(ya)(ya)(ya)器(qi)額定(ding)壓(ya)(ya)(ya)器(qi)額定(ding)電(dian)(dian)壓(ya)(ya)(ya)范(fan)圍內(nei)的(de)工(gong)作(zuo)(zuo)電(dian)(dian)壓(ya)(ya)(ya)調節。同時，操(cao)作(zuo)(zuo)箱(xiang)（臺）內(nei)裝有高壓(ya)(ya)(ya)輸出電(dian)(dian)壓(ya)(ya)(ya)表，低(di)壓(ya)(ya)(ya)輸入電(dian)(dian)流表及(ji)過流保護電(dian)(dian)路和電(dian)(dian)動(dong)升降壓(ya)(ya)(ya)電(dian)(dian)路。可經方便(bian)地(di)讀取試(shi)(shi)驗(yan)(yan)電(dian)(dian)壓(ya)(ya)(ya)值，并能可靠(kao)地(di)保護備。其原(yuan)理簡單、結構緊(jin)湊、工(gong)作(zuo)(zuo)可靠(kao)，是(shi)(shi)進行記壓(ya)(ya)(ya)試(shi)(shi)驗(yan)(yan)理想設備。