直流電源系統的七個組成重點
直流(liu)電(dian)源體系主(zhu)要由兩大(da)部份(fen)組(zu)成。一部份(fen)是(shi)(shi)電(dian)池(chi)屏(ping)另一部份(fen)是(shi)(shi)直流(liu)充電(dian)屏(ping)(直流(liu)屏(ping))。電(dian)池(chi)屏(ping)便是(shi)(shi)一個能夠(gou)擺放多節電(dian)池(chi)的(de)(de)機柜(800×600×2260)。電(dian)池(chi)屏(ping)中的(de)(de)電(dian)池(chi)一般是(shi)(shi)由2V-12V的(de)(de)電(dian)池(chi)以9節到108節串(chuan)聯(lian)方(fang)式組(zu)成,對應電(dian)的(de)(de)電(dian)壓輸出(chu)也便是(shi)(shi)110V或(huo)220V。
現(xian)在運(yun)用的電(dian)(dian)(dian)池主(zhu)要是閥控(kong)式(shi)密封免維護鉛酸電(dian)(dian)(dian)池。直流(liu)屏主(zhu)要是由機(ji)柜、整(zheng)流(liu)模塊體系、監控(kong)體系、絕緣監測單元、電(dian)(dian)(dian)池巡檢單元、開關(guan)量檢測單元、降壓(ya)單元及一系列的溝通輸(shu)入、直流(liu)輸(shu)出、電(dian)(dian)(dian)壓(ya)顯(xian)現(xian)、電(dian)(dian)(dian)流(liu)顯(xian)現(xian)等配電(dian)(dian)(dian)單元。
1、整流模塊體系
電力整流(liu)模(mo)塊(kuai)(kuai)(kuai)便是把溝通(tong)電整流(liu)成(cheng)直流(liu)電的單機模(mo)塊(kuai)(kuai)(kuai),通(tong)常是以經過電流(liu)巨細(xi)來標稱(如2A模(mo)塊(kuai)(kuai)(kuai)、5A模(mo)塊(kuai)(kuai)(kuai)、10A模(mo)塊(kuai)(kuai)(kuai)、20A模(mo)塊(kuai)(kuai)(kuai)等(deng)等(deng)),按規劃理(li)念的不同也能(neng)夠(gou)分為:風冷模(mo)塊(kuai)(kuai)(kuai)、獨立風道(dao)模(mo)塊(kuai)(kuai)(kuai)、自(zi)(zi)冷模(mo)塊(kuai)(kuai)(kuai)、自(zi)(zi)能(neng)風冷模(mo)塊(kuai)(kuai)(kuai)和自(zi)(zi)能(neng)自(zi)(zi)冷模(mo)塊(kuai)(kuai)(kuai)。它(ta)能(neng)夠(gou)多(duo)臺(tai)并聯(lian)運(yun)用,完成(cheng)了N1冗(rong)余。
模塊(kuai)(kuai)輸(shu)出是110V、220V安穩可(ke)調的直流電壓(ya)。模塊(kuai)(kuai)本身有較為完善的各種維(wei)護(hu)(hu)功(gong)用如:輸(shu)入過壓(ya)維(wei)護(hu)(hu)、輸(shu)出過壓(ya)維(wei)護(hu)(hu)、輸(shu)出限流維(wei)護(hu)(hu)和輸(shu)出短路(lu)維(wei)護(hu)(hu)等。
2、監控體系
監控(kong)(kong)體(ti)系(xi)(xi)是(shi)整個直流體(ti)系(xi)(xi)的(de)操(cao)(cao)控(kong)(kong)、管理中心,其主要任(ren)務是(shi):對體(ti)系(xi)(xi)中各功用單元和(he)(he)蓄電池(chi)進行(xing)長期主動監測(ce),獲(huo)取體(ti)系(xi)(xi)中的(de)各種(zhong)運(yun)(yun)轉參數和(he)(he)狀況(kuang),根據(ju)測(ce)量數據(ju)及運(yun)(yun)轉狀況(kuang)及時(shi)進行(xing)處理,并以此為依(yi)據(ju)對體(ti)系(xi)(xi)進行(xing)操(cao)(cao)控(kong)(kong),完成電源體(ti)系(xi)(xi)的(de)全(quan)主動管理,確保其工作的(de)連續(xu)性、可靠性和(he)(he)**性。監控(kong)(kong)體(ti)系(xi)(xi)現在分為兩種(zhong):一種(zhong)是(shi)按鍵型還(huan)有一種(zhong)是(shi)觸摸屏型。監控(kong)(kong)體(ti)系(xi)(xi)提供人機界(jie)面,完成體(ti)系(xi)(xi)運(yun)(yun)轉參數顯現,體(ti)系(xi)(xi)操(cao)(cao)控(kong)(kong)操(cao)(cao)作和(he)(he)體(ti)系(xi)(xi)參數設置(zhi)。
3、絕緣監測單元(yuan)
直流體(ti)系(xi)(xi)絕(jue)(jue)緣監(jian)(jian)測單(dan)元是監(jian)(jian)督直流體(ti)系(xi)(xi)絕(jue)(jue)緣狀況(kuang)的一(yi)種設備,可實(shi)時(shi)監(jian)(jian)測線路(lu)對地漏電阻,此數值(zhi)可根據具(ju)體(ti)狀況(kuang)設定。當線路(lu)對地絕(jue)(jue)緣降低到設定值(zhi)時(shi),就會宣(xuan)布(bu)告警信(xin)號。直流體(ti)系(xi)(xi)絕(jue)(jue)緣監(jian)(jian)測單(dan)元現(xian)在有母線絕(jue)(jue)緣監(jian)(jian)測、支路(lu)絕(jue)(jue)緣監(jian)(jian)測。
4、電(dian)池巡檢單元
電(dian)(dian)(dian)(dian)池(chi)巡(xun)檢(jian)(jian)(jian)單元便是對(dui)蓄電(dian)(dian)(dian)(dian)池(chi)在線電(dian)(dian)(dian)(dian)壓狀況巡(xun)環檢(jian)(jian)(jian)測的(de)一(yi)(yi)種(zhong)設備。能(neng)夠(gou)實(shi)時(shi)檢(jian)(jian)(jian)測到每節(jie)蓄電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)壓的(de)多少(shao),當哪一(yi)(yi)節(jie)蓄電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)壓高過或低(di)過設定時(shi),就會宣布告(gao)警信號,并能(neng)經過監(jian)控體系(xi)顯(xian)現出是哪一(yi)(yi)節(jie)蓄電(dian)(dian)(dian)(dian)池(chi)發生毛病。電(dian)(dian)(dian)(dian)池(chi)巡(xun)檢(jian)(jian)(jian)單元一(yi)(yi)般能(neng)檢(jian)(jian)(jian)測2V-12V的(de)蓄電(dian)(dian)(dian)(dian)池(chi)和(he)巡(xun)環檢(jian)(jian)(jian)測1-108節(jie)蓄電(dian)(dian)(dian)(dian)池(chi)。
5、開關量檢測單元
開(kai)(kai)關量(liang)(liang)檢測單元(yuan)是(shi)(shi)對開(kai)(kai)關量(liang)(liang)在線檢測及告(gao)警(jing)干(gan)(gan)節點輸出的一種設(she)備。比(bi)如在整(zheng)套體系中哪(na)一路(lu)斷(duan)路(lu)器發生(sheng)毛(mao)病跳(tiao)閘或者是(shi)(shi)哪(na)路(lu)熔斷(duan)器熔斷(duan)后(hou)開(kai)(kai)關量(liang)(liang)檢測單元(yuan)就會宣布告(gao)警(jing)信號,并(bing)能經過監控(kong)體系顯現出是(shi)(shi)哪(na)一路(lu)斷(duan)路(lu)器發生(sheng)毛(mao)病跳(tiao)閘或者是(shi)(shi)哪(na)路(lu)熔斷(duan)器熔斷(duan)。現在開(kai)(kai)關量(liang)(liang)檢測單元(yuan)能夠收(shou)集到1-108路(lu)開(kai)(kai)關量(liang)(liang)和多路(lu)無源(yuan)干(gan)(gan)節點告(gao)警(jing)輸出。
6、降壓單元
降(jiang)壓(ya)(ya)(ya)(ya)單(dan)元(yuan)便是(shi)(shi)降(jiang)壓(ya)(ya)(ya)(ya)穩(wen)壓(ya)(ya)(ya)(ya)設(she)備,是(shi)(shi)合母(mu)(mu)電壓(ya)(ya)(ya)(ya)輸入降(jiang)壓(ya)(ya)(ya)(ya)單(dan)元(yuan),降(jiang)壓(ya)(ya)(ya)(ya)單(dan)元(yuan)再輸出(chu)到控母(mu)(mu),調理(li)控母(mu)(mu)電壓(ya)(ya)(ya)(ya)在設(she)定范圍內(nei)(110V或(huo)220V)。當合母(mu)(mu)電壓(ya)(ya)(ya)(ya)變(bian)化時(shi),降(jiang)壓(ya)(ya)(ya)(ya)單(dan)元(yuan)主動調理(li),確保(bao)輸出(chu)電壓(ya)(ya)(ya)(ya)安穩(wen)。降(jiang)壓(ya)(ya)(ya)(ya)單(dan)元(yuan)也是(shi)(shi)以(yi)輸出(chu)電流的(de)巨(ju)細來標稱的(de)。降(jiang)壓(ya)(ya)(ya)(ya)單(dan)元(yuan)現(xian)在有(you)兩種,一(yi)種是(shi)(shi)有(you)級降(jiang)壓(ya)(ya)(ya)(ya)硅鏈,一(yi)種是(shi)(shi)無級降(jiang)壓(ya)(ya)(ya)(ya)斬波。
有(you)級(ji)降(jiang)壓(ya)(ya)(ya)硅(gui)鏈(lian)有(you)5級(ji)降(jiang)壓(ya)(ya)(ya)和(he)七級(ji)降(jiang)壓(ya)(ya)(ya),電壓(ya)(ya)(ya)調理點都是(shi)(shi)3.5V,也(ye)便(bian)是(shi)(shi)說合(he)母電壓(ya)(ya)(ya)升高或下降(jiang)3.5V時降(jiang)壓(ya)(ya)(ya)硅(gui)鏈(lian)就主動調理安穩控母電壓(ya)(ya)(ya)。無級(ji)降(jiang)壓(ya)(ya)(ya)斬波(bo)便(bian)是(shi)(shi)一個降(jiang)壓(ya)(ya)(ya)模(mo)塊,它比(bi)降(jiang)壓(ya)(ya)(ya)硅(gui)鏈(lian)體(ti)積(ji)小,它沒有(you)電壓(ya)(ya)(ya)調理點所以輸出電壓(ya)(ya)(ya)也(ye)比(bi)降(jiang)壓(ya)(ya)(ya)硅(gui)鏈(lian)要(yao)安穩,還有(you)過(guo)(guo)壓(ya)(ya)(ya)、過(guo)(guo)流、和(he)電池過(guo)(guo)放電等功(gong)用。不(bu)過(guo)(guo)現在無級(ji)降(jiang)壓(ya)(ya)(ya)斬波(bo)技能還不(bu)是(shi)(shi)很成熟(shu)常發生毛(mao)病,所以還是(shi)(shi)降(jiang)壓(ya)(ya)(ya)硅(gui)鏈(lian)運用效廣泛。
7、配電單元
配電(dian)單元(yuan)主要是直(zhi)流(liu)屏中為完成溝通輸(shu)入、直(zhi)流(liu)輸(shu)出、電(dian)壓顯(xian)現(xian)、電(dian)流(liu)顯(xian)現(xian)等功用(yong)所運用(yong)的器(qi)件如:電(dian)源線(xian)、接線(xian)端子(zi)、溝通斷路器(qi)、直(zhi)流(liu)斷路器(qi)、接觸器(qi)、防(fang)雷(lei)器(qi)、分流(liu)器(qi)、熔斷器(qi)、轉換(huan)開(kai)關(guan)、按(an)鈕開(kai)關(guan)、指示(shi)燈以及電(dian)流(liu)、電(dian)壓表等等。
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