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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)機(ji)(ji)由于采用的(de)是(shi)變(bian)壓器變(bian)壓整流、可控硅控制的(de)方法,因此設備笨重,可靠性差(cha)。電(dian)(dian)瓶充(chong)(chong)(chong)電(dian)(dian)機(ji)(ji)、汽(qi)(qi)(qi)車(che)充(chong)(chong)(chong)電(dian)(dian)機(ji)(ji)、汽(qi)(qi)(qi)車(che)電(dian)(dian)瓶充(chong)(chong)(chong)電(dian)(dian)機(ji)(ji)、電(dian)(dian)動(dong)汽(qi)(qi)(qi)車(che)充(chong)(chong)(chong)電(dian)(dian)機(ji)(ji)、電(dian)(dian)動(dong)叉車(che)充(chong)(chong)(chong)電(dian)(dian)機(ji)(ji)的(de)蓄(xu)電(dian)(dian)池的(de)充(chong)(chong)(chong)電(dian)(dian),共同(tong)面臨(lin)的(de)一大(da)問(wen)題是(shi)這種(zhong)小電(dian)(dian)流慢充(chong)(chong)(chong)方式,蓄(xu)電(dian)(dian)池初充(chong)(chong)(chong)所需時間(jian)非常長(chang),充(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流遠小于蓄(xu)電(dian)(dian)池可接受的(de)充(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流,不僅耗(hao)時長(chang),且能源利用不充(chong)(chong)(chong)分。
為了提高大功率(lv)充電機(ji)充電效(xiao)率(lv),使(shi)運營成本降低,設(she)計以(yi)大功率(lv)IGBT為核心的智能型全自動快速(su)充電機(ji)勢在必行,這種技術還具有節能環保等諸方(fang)面(mian)的社會意義。
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。上海施能(neng)電器設備有限公司始建于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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