低(di)壓雙電源開關柜其(qi)原(yuan)(yuan)(yuan)理(li)是(shi)通過主用電源和(he)備用電源的(de)(de)自動切換來實現的(de)(de)，當主電路停(ting)電或出(chu)現故障時，線路系統會(hui)自動切換至(zhi)備用電源線路。一(yi)般(ban)采用接觸器(qi)或繼電器(qi)實現自動切換，不同搭配方案其(qi)工作原(yuan)(yuan)(yuan)理(li)也是(shi)不同的(de)(de)。下面介紹三種(zhong)配電方案的(de)(de)工作原(yuan)(yuan)(yuan)理(li)。

一、方案一

兩個接(jie)觸(chu)器實現(xian)切換備(bei)(bei)用(yong)電(dian)(dian)源(yuan)(yuan)的(de)(de)線圈走主(zhu)接(jie)觸(chu)器的(de)(de)常閉(bi)點(dian)，主(zhu)電(dian)(dian)源(yuan)(yuan)接(jie)觸(chu)器吸合(he)主(zhu)電(dian)(dian)路導(dao)通。主(zhu)電(dian)(dian)源(yuan)(yuan)斷電(dian)(dian)，備(bei)(bei)用(yong)電(dian)(dian)源(yuan)(yuan)通過主(zhu)接(jie)觸(chu)器的(de)(de)常閉(bi)點(dian)導(dao)通。如果主(zhu)電(dian)(dian)源(yuan)(yuan)恢復正(zheng)常，備(bei)(bei)用(yong)電(dian)(dian)源(yuan)(yuan)斷開。

二、方案二

雙(shuang)轉換(huan)觸(chu)點繼電(dian)器是雙(shuang)轉換(huan)觸(chu)點，通電(dian)時(shi)(shi)，兩(liang)組觸(chu)點閉(bi)合(he)。斷電(dian)時(shi)(shi)兩(liang)組觸(chu)點閉(bi)合(he)。一(yi)個電(dian)器元件就(jiu)可以完成。如果A路是單相220伏電(dian)源，繼電(dian)器的(de)線圈電(dian)壓也選用交(jiao)流(liu)220伏的(de)

三、方案三

一個繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)兩(liang)個接(jie)觸(chu)器(qi)(qi)(qi)主電(dian)(dian)(dian)(dian)源的(de)接(jie)觸(chu)器(qi)(qi)(qi)線圈(quan)走繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)常(chang)開(kai)觸(chu)點(dian)，備用電(dian)(dian)(dian)(dian)源的(de)接(jie)觸(chu)器(qi)(qi)(qi)線圈(quan)走繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)常(chang)閉(bi)觸(chu)點(dian)。主線路(lu)(lu)(lu)有電(dian)(dian)(dian)(dian)的(de)時候(hou)，繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)吸合，常(chang)開(kai)觸(chu)點(dian)閉(bi)合，主線路(lu)(lu)(lu)導通。常(chang)閉(bi)觸(chu)點(dian)斷(duan)開(kai)，備用電(dian)(dian)(dian)(dian)源不工作。當主線路(lu)(lu)(lu)斷(duan)電(dian)(dian)(dian)(dian)的(de)時候(hou)，繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)也(ye)斷(duan)電(dian)(dian)(dian)(dian)。常(chang)開(kai)觸(chu)點(dian)恢復初(chu)始斷(duan)開(kai)狀(zhuang)態，主線路(lu)(lu)(lu)斷(duan)開(kai)。備用電(dian)(dian)(dian)(dian)路(lu)(lu)(lu)的(de)接(jie)觸(chu)器(qi)(qi)(qi)通過繼電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)常(chang)閉(bi)觸(chu)點(dian)開(kai)始工作。

4、具有三相電流指示、三相電壓指示、主備電源指示及聲光報警，工作狀態一目了然；5、具有防雷功能，泰州雙電源柜公司，避免損壞對于雷電設備；6、具有自動照明和柜內自動溫濕度調節功能；7、具有自動檢測接口，可定期自動切換雙電源設備的運行，并檢測主備電源狀態；8、配備res單電流電氣火災監測探測器，可與電氣火災主機通訊，防止電氣火災；9、柜體采用好的冷軋鋼板焊接，酸洗噴塑，耐沖擊、耐腐蝕，防護等級一般達到IP55。

雙電(dian)(dian)源(yuan)切(qie)(qie)換(huan)開(kai)關(guan)(guan)(guan)就是因故停電(dian)(dian)自動(dong)切(qie)(qie)換(huan)到另(ling)外一個電(dian)(dian)源(yuan)的開(kai)關(guan)(guan)(guan)。一般(ban)雙電(dian)(dian)源(yuan)切(qie)(qie)換(huan)開(kai)關(guan)(guan)(guan)是廣泛(fan)應用(yong)于高層(ceng)建筑、小區、醫院(yuan)、機(ji)場、碼頭、消防(fang)、冶金、化工(gong)、紡織等不允許(xu)停電(dian)(dian)的重要(yao)場所。二、工(gong)作原(yuan)理1.0STS(Static Transfer Switch)，靜(jing)態開(kai)關(guan)(guan)(guan)，又叫靜(jing)態轉換(huan)開(kai)關(guan)(guan)(guan)。為電(dian)(dian)源(yuan)二選(xuan)一自動(dong)切(qie)(qie)換(huan)系統，di一路出現故障后STS自動(dong)切(qie)(qie)換(huan)到第二路給(gei)負載供電(dian)(dian)(前提第二路電(dian)(dian)正(zheng)常且和di一路電(dian)(dian)基本同步)。

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