各(ge)種備用電源的特點(dian)
1、UPS電源的特點
1)可實現不間斷(duan)供電。
2)長期帶載(zai)工(gong)作。
3)帶電機類負載需要擴容或加緩啟動措施(shi)。
4)蓄(xu)電池處理(li)有(you)生態(tai)破壞問(wen)題,應做環保處理(li)。
2、柴油發電機特點
1)容量(liang)大,噪音(yin)大,產生公害(hai)。
2)排(pai)煙中有大量的二氧化(hua)硫,污染大氣(qi),嚴重影響環(huan)保。
3)在高(gao)層(ceng)建(jian)筑(zhu)中,柴油(you)發(fa)電機組一般(ban)放在地(di)下(xia)室,設計難度大,造價高(gao),進風、冷卻(que)、排煙、減震、消(xiao)音等設施(shi)都需要充(chong)分(fen)考慮,需要專用房間。
4)日常維護必須到位,工作量大。
5)存在火災隱患。因為內(nei)部有一油(you)罐,萬一失火,后(hou)果難以設想(xiang)。發電機房內(nei)需使用(yong)(yong)水噴霧滅火,費用(yong)(yong)則越來越高(gao)。
3、應急電源(EPS電源)的特點
1)電網有電時,處于靜態,無噪音;無市電時,其(qi)噪音小于60db。不需排煙(yan)、防震處理。而且具有無火災隱患的(de)特點。
2)自動切(qie)換(huan)(huan),可(ke)實現(xian)無人(ren)值守,節能,電網(wang)供電與EPS電源供電相(xiang)互切(qie)換(huan)(huan)時(shi)間為0.25S,特殊情況下可(ke)實現(xian)零切(qie)換(huan)(huan)。
3)可在不加軟(ruan)啟動設備的情況(kuang)下直接(jie)帶電機類負載。
4)使用可靠、主機壽命長達20年以上(不包(bao)括蓄(xu)電池)。
5)適應惡(e)劣環境(jing),可放置(zhi)于地下室或配電室,甚至建筑豎井(jing)里,可以緊靠應急負荷使用場所就地設置(zhi),減少(shao)供電線路。
6)蓄電池處理(li)有生態破壞問題,應做環保處理(li)。
EPS電源與UPS電源的區別
1、負載性質的區別
UPS電(dian)(dian)(dian)源的(de)(de)供電(dian)(dian)(dian)對象(xiang)主要(yao)(yao)(yao)是計(ji)算機(ji)和網絡設備,負載(zai)性質(zhi)較(jiao)低(di),目前規定UPS電(dian)(dian)(dian)源輸出的(de)(de)功率因數為(wei)(wei)0.8。而EPS電(dian)(dian)(dian)源主要(yao)(yao)(yao)用于電(dian)(dian)(dian)源應急保(bao)障,通常負載(zai)性質(zhi)為(wei)(wei)電(dian)(dian)(dian)感性或(huo)電(dian)(dian)(dian)容性。有些(xie)負載(zai)是要(yao)(yao)(yao)求斷電(dian)(dian)(dian)后才投入(ru)使用,所有EPS電(dian)(dian)(dian)源必須能提供很大的(de)(de)沖(chong)擊電(dian)(dian)(dian)流,通常要(yao)(yao)(yao)求在120%負荷(he)的(de)(de)情況下能持續供電(dian)(dian)(dian)10分鐘以(yi)(yi)上。 UPS電(dian)(dian)(dian)源的(de)(de)額定容量以(yi)(yi)KVA為(wei)(wei)單(dan)位(wei),EPS電(dian)(dian)(dian)源的(de)(de)額定容量以(yi)(yi)KW為(wei)(wei)單(dan)位(wei)。
EPS電(dian)源(yuan)(yuan)主要(yao)(yao)用于消防(fang)類負荷(he)以及一些對切換時間(jian)要(yao)(yao)求(qiu)不(bu)高(gao),但(dan)需要(yao)(yao)持續供(gong)電(dian)的(de)(de)設備。UPS電(dian)源(yuan)(yuan)主要(yao)(yao)用于計算機、數(shu)字信(xin)息(xi)系統等對供(gong)電(dian)質量要(yao)(yao)求(qiu)較(jiao)高(gao)的(de)(de)負載。
2、功能的區別
EPS電(dian)(dian)(dian)(dian)源(yuan)(yuan)和(he)UPS電(dian)(dian)(dian)(dian)源(yuan)(yuan)都具(ju)(ju)備(bei)市(shi)電(dian)(dian)(dian)(dian)旁路和(he)逆變(bian)電(dian)(dian)(dian)(dian)路,但是EPS電(dian)(dian)(dian)(dian)源(yuan)(yuan)只具(ju)(ju)有持(chi)續供(gong)電(dian)(dian)(dian)(dian)功(gong)能(neng)(neng),對逆變(bian)切換時(shi)間要求(qiu)不高,目(mu)前大部分EPS電(dian)(dian)(dian)(dian)源(yuan)(yuan)還具(ju)(ju)備(bei)蓄電(dian)(dian)(dian)(dian)池單(dan)體(ti)檢測(ce)功(gong)能(neng)(neng)。EPS電(dian)(dian)(dian)(dian)源(yuan)(yuan)在市(shi)電(dian)(dian)(dian)(dian)中斷后才進行(xing)逆變(bian)輸(shu)出(chu),電(dian)(dian)(dian)(dian)源(yuan)(yuan)利(li)用率高。
而UPS電(dian)(dian)(dian)源(yuan)一般(ban)強調其(qi)三大功能:對(dui)市(shi)(shi)(shi)電(dian)(dian)(dian)進(jin)行穩(wen)頻和穩(wen)壓處理;對(dui)切換時間(jian)要(yao)求(qiu)極高的設備供(gong)電(dian)(dian)(dian);凈化市(shi)(shi)(shi)電(dian)(dian)(dian)。日常著重(zhong)整流和逆變(bian)的雙變(bian)換電(dian)(dian)(dian)路供(gong)電(dian)(dian)(dian),電(dian)(dian)(dian)能利用(yong)率不高。但(dan)是(shi)UPS電(dian)(dian)(dian)源(yuan)不僅僅是(shi)在斷電(dian)(dian)(dian)時逆變(bian)供(gong)電(dian)(dian)(dian),還可(ke)以在市(shi)(shi)(shi)電(dian)(dian)(dian)出現電(dian)(dian)(dian)壓偏差大、浪涌(yong)等異(yi)常情(qing)況時提供(gong)穩(wen)定的電(dian)(dian)(dian)力(li)輸出,這是(shi)EPS電(dian)(dian)(dian)源(yuan)所不具備的。
3、應用領域上的區別
在我國EPS主要(yao)用(yong)(yong)于消防類(lei)負荷及一些對供電質(zhi)量(liang)要(yao)求不太(tai)高(gao),但(dan)需保證連續供電的用(yong)(yong)電設備。僅強調能持續供電這一功能。EPS用于消防負荷時,其(qi)產品技術受公安(an)部(bu)消防認證。UPS一般用(yong)于計算機及數字信息系(xi)統等場(chang)合。要求(qiu)供電(dian)質量(liang)較高的(de)負載,主(zhu)要強(qiang)調逆(ni)變切換(huan)時間(jian)、輸(shu)出(chu)電(dian)壓、頻率(lv)穩定(ding)性、輸(shu)出(chu)波形的(de)純(chun)正(zheng)、無各種干擾等。
申明:以上內容源于程序系統索引或網民分享提供,僅供您參考使用,不代表本網站的研究觀點,請注意甄別內容來源的真實性和權威性。