UPS不間斷電源的供電功能
1、電(dian)網(wang)電(dian)壓正(zheng)常時,市電(dian)電(dian)壓通(tong)過(guo)UPS不間(jian)斷電源穩壓后供應給負載使用(yong),性能好的UPS不間斷電源本身就是良好的交流穩(wen)壓器,同(tong)(tong)時改善電源質量;同(tong)(tong)時它(ta)還對機內的電池進(jin)行(xing)充電,儲存后備能量。
2、電(dian)網電(dian)壓異常時(欠壓、過壓、掉(diao)電(dian)、*等)UPS不間斷電(dian)源的逆變(bian)器將電(dian)池的直流電(dian)能轉換(huan)為交流電(dian)能維持對負(fu)載(zai)的供電(dian)。
3、UPS不間斷電(dian)源在電(dian)網供(gong)電(dian)和電(dian)池供(gong)電(dian)之間自行切換(huan),確保(bao)對負(fu)載的不間斷供(gong)電(dian)。而且可以根據設備(bei)的精(jing)密程度來選擇(ze)可承受(shou)的切換(huan)時(shi)間。
UPS不間斷電源的其他功能
1、停電保護作用
市電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)網瞬(shun)間停(ting)電(dian)(dian)(dian)(dian)時立即由(you)UPS電(dian)(dian)(dian)(dian)源(yuan)系(xi)統將UPS蓄電(dian)(dian)(dian)(dian)池(chi)直流電(dian)(dian)(dian)(dian)源(yuan)轉換成交流電(dian)(dian)(dian)(dian)繼(ji)續為(wei)負載供電(dian)(dian)(dian)(dian),避免(mian)因停(ting)電(dian)(dian)(dian)(dian)而(er)帶來的不便(bian)和(he)損失。
2、穩壓作用
市電電壓容(rong)易受電力輸送線路的(de)距離和品質影響(xiang),離變電所(suo)較近的(de)用(yong)(yong)戶(hu)電壓較高,離變電所(suo)較遠的(de)用(yong)(yong)戶(hu)電壓則會(hui)偏低(di)(di)較低(di)(di)。電壓過高或過低(di)(di)都會(hui)影響(xiang)用(yong)(yong)戶(hu)儀器設(she)備的(de)使用(yong)(yong)質量(liang)和使用(yong)(yong)壽命(ming)(ming),較嚴重(zhong)時則會(hui)損壞設(she)備,給用(yong)(yong)戶(hu)造成重(zhong)大損失。UPS電源(yuan)系統(tong)的(de)使用(yong)(yong)則可以為用(yong)(yong)戶(hu)設(she)備提供穩(wen)定的(de)電壓電源(yuan),保障(zhang)設(she)備的(de)正常運行(xing)和延長使用(yong)(yong)壽命(ming)(ming)。
3、突波保護作用
通常UPS電(dian)源系統會有尖端(duan)放電(dian)設(she)計吸收突(tu)波(bo),避免因突(tu)波(bo)問題影響(xiang)設(she)備(bei)(bei)的使用效率和(he)壽命,為設(she)備(bei)(bei)提供保護。
4、高低電壓保護作用
當市電(dian)(dian)(dian)電(dian)(dian)(dian)壓時高時低,UP電(dian)(dian)(dian)源內的(de)(de)穩壓器(AVR)使市電(dian)(dian)(dian)電(dian)(dian)(dian)壓保持在(zai)可使用的(de)(de)安(an)全范圍,確保設備可以正常運行(xing)。當高低電(dian)(dian)(dian)壓超(chao)過可使用的(de)(de)范時,UPS電(dian)(dian)(dian)源系統則將啟動蓄電(dian)(dian)(dian)池供電(dian)(dian)(dian),保障設備的(de)(de)持續運行(xing)。
5、諧波失真保護作用
電(dian)力經由輸配(pei)電(dian)線路(lu)傳送至(zhi)使(shi)(shi)用端(duan)時,電(dian)壓波(bo)形失真,基(ji)波(bo)電(dian)流發生變化產生諧波(bo)。諧波(bo)會影響設備(bei)(bei)的使(shi)(shi)用,通過UPS電(dian)源(yuan)則能為設備(bei)(bei)提(ti)供穩定(ding)高(gao)品質(zhi)的電(dian)源(yuan),有(you)效提(ti)高(gao)設備(bei)(bei)的運行效率(lv)和壽(shou)命。
6、穩定頻率作用
頻率就是市電(dian)(dian)每一秒變(bian)動的(de)(de)周期,50Hz就是每秒50周次。市電(dian)(dian)發電(dian)(dian)機運轉時受到用(yong)戶端用(yong)電(dian)(dian)量的(de)(de)突然變(bian)化而造成轉速(su)的(de)(de)變(bian)動將使(shi)轉換出來的(de)(de)電(dian)(dian)力頻率不(bu)定,通(tong)過UPS電(dian)(dian)源轉換的(de)(de)電(dian)(dian)力可提供穩(wen)定的(de)(de)頻率,確保儀器(qi)設(she)備的(de)(de)正常(chang)工(gong)作(zuo)。
7、瞬間保護作用
市電有(you)時會發生電壓(ya)(ya)上涌和下陷(xian)或瞬間(jian)壓(ya)(ya)降,這樣的問題會影響設(she)(she)備(bei)(bei)的精(jing)(jing)準度,嚴(yan)重(zhong)時會損壞精(jing)(jing)密設(she)(she)備(bei)(bei)使用(yong)戶遭受損失。UPS系(xi)統可以提供穩定(ding)的電壓(ya)(ya),從而保護設(she)(she)備(bei)(bei)。
8、抑制橫模和共模噪聲的作用
橫模噪聲產生在火線與中性線之間;共模噪聲產生在火線、中性線與地線之間。看不見的電力問題防不勝防,時時刻刻危害著儀器設備,給用戶造成損失。UPS電源為儀(yi)器和數據保駕護(hu)航,確(que)保設備的正常運行和延(yan)長設備使用壽(shou)命。
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