
高低(di)方(fang)式由(you)于(yu)當時高壓(ya)變(bian)頻技術沒有解(jie)決(jue),就(jiu)采(cai)用(yong)(yong)一臺變(bian)壓(ya)器,先把電(dian)(dian)網(wang)電(dian)(dian)壓(ya)降低(di),然后采(cai)用(yong)(yong)一臺低(di)壓(ya)的(de)變(bian)頻器實現變(bian)頻。對(dui)于(yu)電(dian)(dian)機,可以(yi)采(cai)用(yong)(yong)低(di)壓(ya)電(dian)(dian)機,也可采(cai)用(yong)(yong)原來的(de)高壓(ya)電(dian)(dian)機,需要在變(bian)頻器和(he)電(dian)(dian)機之間增加(jia)一臺升(sheng)壓(ya)變(bian)壓(ya)器。靜電(dian)(dian)除塵電(dian)(dian)源(yuan)的(de)啟(qi)動方(fang)式包括以(yi)上方(fang)式。
