四川新能源汽車充電站供電(dian)電(dian)源接入要求:
在選擇充電(dian)站電(dian)源時,要(yao)結合本(ben)地配電(dian)網建(jian)設和(he)本(ben)地大(da)負荷預測。如大(da)電(dian)力負荷、大(da)高(gao)峰負荷預測、用戶上報(bao)裝(zhuang)機容量、供電(dian)半(ban)徑等。,并綜合選擇供電(dian)點。
1.充電(dian)站電(dian)源接入(ru)要(yao)求
(1)屬于二級(ji)電(dian)力用戶(hu)的(de)充(chong)電(dian)站(zhan)應(ying)(ying)由兩路(lu)中(zhong)壓電(dian)源(yuan)供(gong)(gong)電(dian),應(ying)(ying)來自不同的(de)變(bian)電(dian)站(zhan)或(huo)同一變(bian)電(dian)站(zhan)的(de)不同母(mu)線段。每個電(dian)源(yuan)電(dian)路(lu)應(ying)(ying)能滿足....電(dian)力負荷的(de)供(gong)(gong)電(dian)要求。(2)屬于三(san)級(ji)電(dian)力用戶(hu)的(de)kloc-0/由單回路(lu)中(zhong)壓電(dian)源(yuan)供(gong)(gong)電(dian)。(3)充(chong)電(dian)站(zhan)應(ying)(ying)采(cai)用10kV電(dian)壓等(deng)級(ji)供(gong)(gong)電(dian)。(4)交流充(chong)電(dian)樁應(ying)(ying)提供(gong)(gong)380伏或(huo)220伏電(dian)壓。
2.充電站配(pei)電變壓器(qi)的配(pei)置原理
(1)變(bian)(bian)壓器(qi)(qi)(qi)應(ying)為(wei)節能環保的箱式(shi)變(bian)(bian)壓器(qi)(qi)(qi)。(2)當滿足消防條(tiao)件(jian)時,應(ying)優先選用油浸式(shi)變(bian)(bian)壓器(qi)(qi)(qi)。(3)單(dan)臺變(bian)(bian)壓器(qi)(qi)(qi)的額定容量不應(ying)大于160千伏安。(4)變(bian)(bian)壓器(qi)(qi)(qi)的負載率為(wei)80%,此時變(bian)(bian)壓器(qi)(qi)(qi)的運(yun)行(xing)效率較高。
3.充(chong)電(dian)站(zhan)和充(chong)電(dian)樁電(dian)源(yuan)導線的選(xuan)擇
由(you)于不(bu)同(tong)充電站的負(fu)載(zai)能(neng)力不(bu)同(tong),電源(yuan)導線(xian)的選擇應基于充電站的負(fu)載(zai)。選錯會導致(zhi)供電導線(xian)截(jie)面小(xiao),充電電流強度(du)大,導線(xian)無法(fa)承受其沖擊,導致(zhi)導線(xian)過載(zai)引發火災等事故。