確(que)保(bao)光(guang)伏(fu)發(fa)電(dian)係(xi)統(tong)所(suo)發(fa)的(de)電(dian)力(li)是(shi)直(zhi)接(jie)供(gong)給(gei)當(dang)地(di)負(fu)荷(he)用(yong)電(dian)

，而(er)不(bu)饋(kui)送(song)至(zhi)電(dian)網(wang)。防(fang)逆(ni)流(liu)控(kong)製(zhi)器(qi)實(shi)時(shi)監(jian)控(kong)並(bing)網(wang)點(dian)網(wang)側(ce)的(de)電(dian)壓(ya)與(yu)電(dian)流(liu)，一(yi)旦(dan)發(fa)現(xian)向(xiang)電(dian)網(wang)輸(shu)入(ru)能(neng)量(liang)，會(hui)立(li)即(ji)通(tong)過(guo)通(tong)訊(xun)控(kong)製(zhi)逆(ni)變(bian)器(qi)降(jiang)低(di)輸(shu)出(chu)電(dian)流(liu)
，減(jian)少(shao)光(guang)伏(fu)發(fa)電(dian)係(xi)統(tong)的(de)發(fa)電(dian)功(gong)率(lv)；當(dang)用(yong)戶(hu)負(fu)載(zai)變(bian)化(hua)時(shi)，防(fang)逆(ni)流(liu)控(kong)製(zhi)器(qi)即(ji)時(shi)調(tiao)整(zheng)光(guang)伏(fu)發(fa)電(dian)係(xi)統(tong)的(de)發(fa)電(dian)功(gong)率(lv)。當(dang)出(chu)現(xian)通(tong)訊(xun)故(gu)障(zhang)或(huo)其(qi)他(ta)係(xi)統(tong)故(gu)障(zhang)時(shi)
，防(fang)逆(ni)流(liu)控(kong)製(zhi)器(qi)會(hui)控(kong)製(zhi)輸(shu)出(chu)接(jie)觸(chu)器(qi)斷(duan)開(kai)
，從(cong)而(er)徹(che)底(di)停(ting)止(zhi)向(xiang)電(dian)網(wang)供(gong)電(dian)；適用於中國市場。