HB-SW系(xi)列三相高精度(du)全自動(dong)交(jiao)流(liu)穩壓器(qi)是(shi)單相系(xi)列高精度(du)全自動(dong)交(jiao)流(liu)穩壓器(qi)的(de)組合。電(dian)(dian)網輸入為三相四線制,星形(Y形)接法,輸出(chu)亦為三相四線制,由三只(zhi)電(dian)(dian)流(liu)表分別指示(shi)各相的(de)輸出(chu)電(dian)(dian)