一、直流屏柜的種類及作用
正常情況下,直流屏都(dou)是單柜(ju)或者一(yi)體柜(ju),一(yi)般會根(gen)據客(ke)戶的(de)要(yao)(yao)(yao)求設置。如果直(zhi)(zhi)流(liu)屏(ping)規(gui)格比(bi)較大(da),比(bi)如100AH的(de)直(zhi)(zhi)流(liu)屏(ping),可能就(jiu)需要(yao)(yao)(yao)做(zuo)成雙柜(ju)的(de),一(yi)個主機柜(ju),一(yi)個電(dian)池(chi)柜(ju)。不過還(huan)有很多(duo)特殊規(gui)格的(de),需要(yao)(yao)(yao)配的(de)柜(ju)子數(shu)量就(jiu)更多(duo),比(bi)如大(da)型變配電(dian)室用(yong)的(de)直(zhi)(zhi)流(liu)屏(ping)柜(ju)可能包括(kuo)充電(dian)柜(ju)、饋電(dian)柜(ju)、電(dian)池(chi)柜(ju)和(he)信號箱(xiang)。下面為大(da)家講一(yi)下它(ta)們的(de)作用(yong)分別是什么。
1、充電柜
充電(dian)(dian)(dian)(dian)柜在日常生(sheng)活(huo)中應(ying)用(yong)非常廣泛,我們涉及較多(duo)的(de)就是(shi)一種將交(jiao)流(liu)電(dian)(dian)(dian)(dian)轉換多(duo)線路裝置的(de)電(dian)(dian)(dian)(dian)腦設備(bei)。充電(dian)(dian)(dian)(dian)柜廣泛應(ying)用(yong)在學校、機關企事業單(dan)位、醫院、商(shang)場、寫字(zi)樓(lou)等集體單(dan)位。充電(dian)(dian)(dian)(dian)柜采用(yong)抽(chou)屜(ti)式結構設計,方便接(jie)駁充電(dian)(dian)(dian)(dian),無(wu)須人體直(zhi)接(jie)接(jie)觸市(shi)電(dian)(dian)(dian)(dian),安(an)全性大(da)大(da)提(ti)高。柜內溫(wen)度達到(dao)35℃時,散熱(re)器自(zi)動(dong)(dong)開啟(qi)。很多(duo)充電(dian)(dian)(dian)(dian)柜會在底部安(an)裝移(yi)動(dong)(dong)滑輪,方便搬運和(he)運輸。由此可推理(li),直(zhi)流(liu)屏充電(dian)(dian)(dian)(dian)柜,就是(shi)給直(zhi)流(liu)屏電(dian)(dian)(dian)(dian)池柜進行充電(dian)(dian)(dian)(dian)的(de)充電(dian)(dian)(dian)(dian)柜。
2、饋電柜
饋(kui)電(dian)(dian)(dian)柜(ju),從字面上(shang)理(li)解(jie),饋(kui),就是(shi)送(song)出(chu)的(de)意思,這(zhe)里可(ke)理(li)解(jie)為(wei)輸(shu)出(chu)、分(fen)配(pei)的(de)意思;電(dian)(dian)(dian),是(shi)電(dian)(dian)(dian)力;柜(ju),就是(shi)設備,連起來(lai)理(li)解(jie)就是(shi)輸(shu)出(chu)、分(fen)配(pei)電(dian)(dian)(dian)力的(de)設備,也可(ke)稱為(wei)出(chu)線(xian)柜(ju)。饋(kui)電(dian)(dian)(dian)是(shi)只向負載送(song)電(dian)(dian)(dian)或叫供電(dian)(dian)(dian),由配(pei)電(dian)(dian)(dian)柜(ju)進行分(fen)配(pei)或聯絡(luo)到饋(kui)電(dian)(dian)(dian)柜(ju)中,根據使用環(huan)境的(de)不同可(ke)將(jiang)饋(kui)電(dian)(dian)(dian)柜(ju)和配(pei)電(dian)(dian)(dian)柜(ju)合并(bing)在一個(ge)柜(ju)子,大中型配(pei)電(dian)(dian)(dian)房需要(yao)進行分(fen)開設置(zhi)。
3、電池柜
電(dian)(dian)(dian)(dian)池(chi)柜(ju)(ju)也可以叫(jiao)做電(dian)(dian)(dian)(dian)池(chi)箱,就是由一節或多(duo)節電(dian)(dian)(dian)(dian)池(chi)部(bu)件組成(cheng)的(de),根據使用(yong)環境(jing)要求不同,電(dian)(dian)(dian)(dian)池(chi)型號(hao)也不一樣,電(dian)(dian)(dian)(dian)池(chi)柜(ju)(ju)要求預留(liu)出足(zu)夠大的(de)容(rong)納(na)空間基礎上,還要保證滿(man)足(zu)多(duo)變的(de)運行環境(jing)。這樣可以保證電(dian)(dian)(dian)(dian)池(chi)柜(ju)(ju)內的(de)電(dian)(dian)(dian)(dian)池(chi)得以通風散熱、絕緣、防水、并能夠大限度的(de)保護電(dian)(dian)(dian)(dian)池(chi)免(mian)受碰撞。
4、信號箱
信(xin)號(hao)箱是一個(ge)報警裝(zhuang)置(zhi)(zhi),就(jiu)是在設(she)備發(fa)生故(gu)障時,信(xin)號(hao)箱會自(zi)動(dong)發(fa)起警報,告知值班人(ren)員(yuan)馬(ma)上處(chu)理設(she)置(zhi)(zhi)故(gu)障,可分為事故(gu)音響(xiang)和預告音響(xiang)。
二、直流屏柜和pt柜的區別
1、PT柜是安裝電壓互感器的電柜,是一種高度絕緣的特殊用途的變壓器,通常由高壓變成低壓然后供二次設備顯示,具有觀察、測量、計量的作用;而直流屏是直流(liu)電源柜,通(tong)常用(yong)(yong)交流(liu)電轉(zhuan)變(bian)成直流(liu)電配合(he)(he)蓄電池供電輸出,常有110VDC和220VDC,用(yong)(yong)重要設備的保(bao)(bao)護和控制(zhi)用(yong)(yong),具有電動分合(he)(he)閘、監測保(bao)(bao)護、故障報警等功能(neng)。
2、PT柜是電(dian)(dian)壓變換裝置,變配電(dian)(dian)儀表測量(liang)和繼(ji)電(dian)(dian)保護等的用(yong)電(dian)(dian),屬(shu)一(yi)次設備。直(zhi)流屏(ping)主要給(gei)開關柜內(nei)執行(xing)設備提供(gong)永恒不間斷直(zhi)流電(dian)(dian)源,屬(shu)二(er)次設備。