智(zhi)(zhi)能(neng)式低壓電力電容器(qi)(qi)(簡(jian)稱智(zhi)(zhi)能(neng)電容器(qi)(qi))是低壓配(pei)電系統補(bu)償無(wu)功(gong)(gong)功(gong)(gong)率的專用設備 ,由(you)兩(liang)臺(tai)(tai)三相(xiang)電容器(qi)(qi)或三臺(tai)(tai)單相(xiang)電容器(qi)(qi)、兩(liang)臺(tai)(tai)共補(bu)智(zhi)(zhi)能(neng)復(fu)(fu)合投切開(kai)關(guan)或一臺(tai)(tai)分補(bu)智(zhi)(zhi)能(neng)復(fu)(fu)合開(kai)關(guan)、無(wu)功(gong)(gong)補(bu)償控制器(qi)(qi)、小型斷路器(qi)(qi)等四大部件組成,采用微(wei)(wei)控制器(qi)(qi)MCU、微(wei)(wei)型傳感(gan)器(qi)(qi)、網絡技術等 新科(ke)技成果將無(wu)功(gong)(gong)補(bu)償更加智(zhi)(zhi)能(neng)化,在(zai)一個裝置(zhi)里(li)同時達到過零(ling)投切、微(wei)(wei)機保(bao)護(hu)、電力測量、網絡通信、智(zhi)(zhi)能(neng)控制等功(gong)(gong)能(neng)。
智能建(jian)筑中(zhong)無(wu)功(gong)補(bu)償元器件在電力系統的作用和(he)結構(gou)
當檢(jian)測到超(chao)前信號(hao)如(ru)cosΦ<0.98,即呈(cheng)容(rong)性載荷時(shi),那(nei)么控制器(qi)就逐一切(qie)除電(dian)容(rong)器(qi)組(zu)。要遵循的(de)原則就是(shi)(shi):先(xian)投入(ru)的(de)那(nei)組(zu)電(dian)容(rong)器(qi)組(zu)在切(qie)除時(shi)就要先(xian)切(qie)除。如(ru)果把延(yan)時(shi)時(shi)間(jian)整定為300s,而(er)這套(tao)補償(chang)裝置有十路電(dian)容(rong)器(qi)組(zu),那(nei)么全(quan)部投入(ru)的(de)時(shi)間(jian)就為30分鐘,切(qie)除也是(shi)(shi)這樣(yang)。
適用于(yu)交流50Hz、額(e)定電壓(ya)(ya)在660V以下(xia),負載(zai)功(gong)率(lv)變(bian)化(hua)較(jiao)大(da),對電壓(ya)(ya)波動(dong)和功(gong)率(lv)因數有較(jiao)高(gao)要求的(de)電力、汽(qi)車、石油、化(hua)工(gong)、冶金、鐵路、港(gang)口、煤礦、油田等(deng)行業。基本技術(shu)參數及工(gong)作環(huan)(huan)境(jing):環(huan)(huan)境(jing)溫(wen)度(du)(du):-25oC~+40oC(戶外型);-5oC~+40oC(戶內型),較(jiao)大(da)日平(ping)均溫(wen)度(du)(du)30oC;海拔高(gao)度(du)(du):1000m;相對濕度(du)(du):<85%(+25oC);較(jiao)大(da)降雨:50mm/10min;安(an)裝環(huan)(huan)境(jing):周圍介質無(wu)(wu)(wu)爆炸及易燃危險(xian)、無(wu)(wu)(wu)足以損壞絕緣及腐蝕(shi)金屬的(de)氣體、無(wu)(wu)(wu)導(dao)電塵埃。無(wu)(wu)(wu)劇烈震動(dong)和顛簸,安(an)裝傾斜度(du)(du)<5%。技術(shu)指標:額(e)定電壓(ya)(ya):220V、380V(50Hz);判斷(duan)依(yi)據:無(wu)(wu)(wu)功(gong)功(gong)率(lv)、電壓(ya)(ya);響應(ying)時間:<20ms;補償容量:90kvar~900kvar;允許誤(wu)差:0~10%。