1、當市電(dian)(dian)(dian)(dian)(dian)(dian)正常時，由(you)市電(dian)(dian)(dian)(dian)(dian)(dian)經(jing)過互投裝(zhuang)置給重要(yao)負載(zai)(zai)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)，同時進行市電(dian)(dian)(dian)(dian)(dian)(dian)檢測及(ji)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管理，然后再由(you)電(dian)(dian)(dian)(dian)(dian)(dian)池組(zu)向(xiang)(xiang)逆(ni)變器提(ti)供(gong)(gong)直(zhi)流(liu)能源。在(zai)(zai)這里(li),充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器是(shi)一(yi)個僅需向(xiang)(xiang)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池組(zu)提(ti)供(gong)(gong)相當于(yu)10%蓄電(dian)(dian)(dian)(dian)(dian)(dian)池組(zu)容量（Ah）的(de)(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)小(xiao)功率直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源，它(ta)并不(bu)具備直(zhi)接向(xiang)(xiang)逆(ni)變器提(ti)供(gong)(gong)直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源的(de)(de)(de)能力。此(ci)時，市電(dian)(dian)(dian)(dian)(dian)(dian)經(jing)由(you)EPS的(de)(de)(de)交流(liu)旁(pang)路和轉換(huan)開關所組(zu)成的(de)(de)(de)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)系統向(xiang)(xiang)用戶的(de)(de)(de)各種應急負載(zai)(zai)供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)。與(yu)此(ci)同時，在(zai)(zai)EPS的(de)(de)(de)邏(luo)輯控制板的(de)(de)(de)調控下(xia)，逆(ni)變器停止(zhi)工(gong)作處于(yu)自(zi)動關機狀態。在(zai)(zai)此(ci)條件(jian)下(xia)，用戶負載(zai)(zai)實際使用的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)源是(shi)來自(zi)電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)的(de)(de)(de)市電(dian)(dian)(dian)(dian)(dian)(dian)，因此(ci)，EPS應急電(dian)(dian)(dian)(dian)(dian)(dian)源也(ye)是(shi)通常說的(de)(de)(de)一(yi)直(zhi)工(gong)作在(zai)(zai)睡(shui)眠狀態，可以有效的(de)(de)(de)達到節(jie)能的(de)(de)(de)效果。
2、當市(shi)電(dian)(dian)供電(dian)(dian)中斷或市(shi)電(dian)(dian)電(dian)(dian)壓超限（±15%或±20%額定輸入電(dian)(dian)壓）時，互投(tou)裝置將(jiang)立即(ji)投(tou)切至(zhi)逆(ni)變(bian)器供電(dian)(dian)，在電(dian)(dian)池組(zu)所(suo)提(ti)供的(de)直流(liu)能源的(de)支持下(xia)，此時，用戶負載所(suo)使用的(de)電(dian)(dian)源是通(tong)過EPS的(de)逆(ni)變(bian)器轉(zhuan)換(huan)的(de)交流(liu)電(dian)(dian)源，而不是來自市(shi)電(dian)(dian)。
3、當市電(dian)電(dian)壓恢復(fu)正常工作(zuo)時(shi)(shi)，EPS的(de)(de)控(kong)制中心發出信號對逆變(bian)器執行(xing)自動(dong)關(guan)機操(cao)作(zuo)，同(tong)時(shi)(shi)還通(tong)過它的(de)(de)轉換開關(guan)執行(xing)從逆變(bian)器供電(dian)向(xiang)交流旁路(lu)供電(dian)的(de)(de)切換操(cao)作(zuo)。此后，EPS在經交流旁路(lu)供電(dian)通(tong)路(lu)向(xiang)負(fu)載(zai)提供市電(dian)的(de)(de)同(tong)時(shi)(shi)，還通(tong)過充(chong)電(dian)器向(xiang)電(dian)池組充(chong)電(dian)。
4、除用于應(ying)急照(zhao)明系統外，其(qi)中三相智能(neng)化變頻(pin)應(ying)急電(dian)源(yuan)主要是為一級(ji)(ji)負(fu)荷中的電(dian)動(dong)機提(ti)供(gong)一種可變頻(pin)的應(ying)急電(dian)源(yuan)系統，該(gai)產品方便解決了(le)電(dian)動(dong)機的應(ying)急供(gong)電(dian)及其(qi)啟動(dong)過程中對供(gong)電(dian)設備的沖擊影響。智能(neng)化應(ying)急電(dian)源(yuan)可接受消防聯動(dong)信號(hao)、建(jian)筑智能(neng)總線信號(hao)控制，并可設定優先級(ji)(ji)，防止越級(ji)(ji)控制。
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