無(wu)負(fu)壓(ya)(ya)變頻供(gong)(gong)水(shui)設(she)備(bei)適用(yong)于市(shi)(shi)政(zheng)自來水(shui)管網(wang)壓(ya)(ya)力(li)(li)不足，需要二(er)次(ci)加壓(ya)(ya)供(gong)(gong)水(shui)的(de)單位。通(tong)過傳(chuan)感器監(jian)測進出水(shui)口壓(ya)(ya)力(li)(li)，運(yun)算(suan)運(yun)行(xing)數值(zhi)，利用(yong)變頻器調整(zheng)水(shui)泵頻率和轉速，實(shi)現恒(heng)壓(ya)(ya)供(gong)(gong)水(shui)。該設(she)備(bei)最大限度(du)地(di)利用(yong)了市(shi)(shi)政(zheng)自來水(shui)管網(wang)原(yuan)有的(de)壓(ya)(ya)力(li)(li)，對市(shi)(shi)政(zheng)官網(wang)不產生負(fu)壓(ya)(ya)，不影響其(qi)他單位用(yong)水(shui)，同時實(shi)現節能、高效、無(wu)污染。