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并聯均流平衡大功率充電機負載電流分配

2019/4/19 8:59:14??????點擊:
傳統(tong)大(da)功率充(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)由(you)于(yu)采用的是(shi)變壓器變壓整流(liu)(liu)、可(ke)控硅控制的方(fang)法,因此(ci)設備笨重,可(ke)靠(kao)性差。電(dian)(dian)(dian)瓶(ping)充(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)、汽(qi)車(che)充(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)、汽(qi)車(che)電(dian)(dian)(dian)瓶(ping)充(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)、電(dian)(dian)(dian)動(dong)汽(qi)車(che)充(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)、電(dian)(dian)(dian)動(dong)叉車(che)充(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)的蓄電(dian)(dian)(dian)池的充(chong)(chong)(chong)電(dian)(dian)(dian),共同面臨的一大(da)問題是(shi)這種小(xiao)電(dian)(dian)(dian)流(liu)(liu)慢充(chong)(chong)(chong)方(fang)式,蓄電(dian)(dian)(dian)池初(chu)充(chong)(chong)(chong)所(suo)需時間非常長,充(chong)(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)(liu)遠(yuan)小(xiao)于(yu)蓄電(dian)(dian)(dian)池可(ke)接受的充(chong)(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)(liu),不僅耗時長,且能源(yuan)利用不充(chong)(chong)(chong)分。
為了(le)提(ti)高(gao)大功(gong)率(lv)充電機充電效率(lv),使運營成本降低,設計以大功(gong)率(lv)IGBT為核(he)心的(de)智能型全(quan)自動快速充電機勢(shi)在必行,這種技術還(huan)具(ju)有(you)節能環(huan)保等(deng)諸方面的(de)社會意義。
大功率充電機采用多個電源模塊并聯供電的方式來實現大功率的輸出。如果產生的諧波如果沒有被有效控制,將會污染電網。因此,大功率充電機中須采用并聯均流策略來平衡負載電流分配,實現了充電機低諧波高功率因素運行,改善了充電機并聯均流性能。上海(hai)施能電器設備有限公司(si)始建于(yu)1984年,上海市高新技術企業,中國工業車輛優秀配套供應商,上海電器行業名優產品,主要生產工頻系列充電機,高頻系列充電機,鋰電池充電機系列放電機系列充放電機等電器產品。
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