如(ru)今,除(chu)了(le)北京、天津、上海、杭州等地(di)相繼(ji)出臺充(chong)(chong)電(dian)設施建設規劃之外,不(bu)少地(di)方政府(fu)還提(ti)出新建小(xiao)區配套充(chong)(chong)電(dian)樁(zhuang)(zhuang)的(de)新思路(lu),這不(bu)僅(jin)可緩解電(dian)動汽車(che)(che)使用(yong)者的(de)“里程焦(jiao)慮”問題(ti),更(geng)將大幅、直接拉(la)動充(chong)(chong)電(dian)樁(zhuang)(zhuang)生產企(qi)業(ye)的(de)銷量。充(chong)(chong)電(dian)樁(zhuang)(zhuang)作(zuo)為(wei)新能源汽車(che)(che)產業(ye)鏈的(de)重(zhong)要下游支柱行業(ye),其市場(chang)化前(qian)(qian)景(jing)似乎相當樂觀。盡(jin)管行業(ye)前(qian)(qian)景(jing)被一致看好,但目前(qian)(qian)電(dian)動汽車(che)(che)市場(chang)的(de)發展(zhan)并未(wei)完全(quan)成熟。標準(zhun)、規劃和土(tu)地(di)三大問題(ti)攔(lan)在充(chong)(chong)電(dian)樁(zhuang)(zhuang)建設的(de)路(lu)前(qian)(qian),成體系的(de)充(chong)(chong)電(dian)樁(zhuang)(zhuang)建設并不(bu)一帆風順。
改進原配電箱的低壓電容器組的接線方式,配電箱哪家好將其安裝位置由交流接觸器上樁頭,訂做配電箱改成(cheng)接在配(pei)電(dian)箱(xiang)低(di)壓進線與計量表計之(zhi)間(jian)。防止因運行(xing)中電(dian)容器(qi)(qi)電(dian)路發生缺相故障或電(dian)容器(qi)(qi)損壞時,造成(cheng)計量裝置計量不準確(que)。此外,電(dian)容器(qi)(qi)選擇型號應(ying)為BSMJ系列產品,以保證(zheng)元件質量可靠、安全運行(xing)。
1.主母線(xian)最(zui)大額定(ding)電(dian)(dian)(dian)流(liu)(liu):主母線(xian)最(zui)大能夠(gou)承(cheng)載(zai)的(de)電(dian)(dian)(dian)流(liu)(liu)的(de)額定(ding)值(zhi)。2.額定(ding)短(duan)時耐(nai)受(shou)(shou)電(dian)(dian)(dian)流(liu)(liu):由生產廠家給出的(de),成套(tao)(tao)設備(bei)中(zhong)某條電(dian)(dian)(dian)路在國家標(biao)準(zhun)GB7251.1-2005中(zhong)8.2.3規定(ding)的(de)試驗(yan)條件(jian)(jian)下能安全承(cheng)載(zai)的(de)短(duan)時耐(nai)受(shou)(shou)電(dian)(dian)(dian)流(liu)(liu)方均根值(zhi)。3.峰(feng)值(zhi)短(duan)時耐(nai)受(shou)(shou)電(dian)(dian)(dian)流(liu)(liu):在規定(ding)試驗(yan)條件(jian)(jian)下,生產廠家規定(ding)此電(dian)(dian)(dian)路能夠(gou)圓(yuan)滿地承(cheng)受(shou)(shou)的(de)峰(feng)值(zhi)電(dian)(dian)(dian)流(liu)(liu)。4.外殼防(fang)護等級:IEC60529-1989標(biao)準(zhun)由成套(tao)(tao)設備(bei)提供的(de)防(fang)止觸(chu)及帶電(dian)(dian)(dian)部件(jian)(jian),以及外來固(gu)體的(de)侵入和(he)液體的(de)進入的(de)等級。具體等級劃分詳見(jian)IEC60529標(biao)準(zhun)。5.內部分隔方式:根據(ju)IEC60529-1989標(biao)準(zhun),為保護人身安全,將開關柜(ju)獨立劃分成幾(ji)個隔室的(de)不同(tong)方式。不同(tong)型號的(de)配電(dian)(dian)(dian)柜(ju)之間的(de)技(ji)術參數都(dou)有很大不同(tong),而進口(kou)(kou)配電(dian)(dian)(dian)柜(ju)的(de)技(ji)術參數基本都(dou)優于國產配電(dian)(dian)(dian)柜(ju),但并不能認為進口(kou)(kou)配電(dian)(dian)(dian)柜(ju)就一定(ding)比國產配電(dian)(dian)(dian)柜(ju)好(hao)。
充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)樁一般提供(gong)常規充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)和快速(su)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)兩種充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)方式(shi),人們可以使用特定(ding)的充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)卡在充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)樁提供(gong)的人機交互操作(zuo)界面上刷卡使用,進行相應的充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)方式(shi)、充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)時(shi)間(jian)、費用數據打(da)印(yin)等操作(zuo),充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)樁顯(xian)示屏(ping)能(neng)顯(xian)示充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)量、費用、充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)時(shi)間(jian)等數據。
電(dian)(dian)動汽(qi)車作為一(yi)種發展(zhan)前(qian)(qian)景(jing)廣闊(kuo)的(de)(de)綠色交通工具(ju),今后的(de)(de)普(pu)及速度會(hui)異常迅猛,未(wei)來的(de)(de)市場(chang)前(qian)(qian)景(jing)也是異常巨大的(de)(de)。在(zai)全球能源危機和(he)(he)環(huan)境危機嚴(yan)重(zhong)的(de)(de)大背景(jing)下(xia),我國政府積極推進新能源汽(qi)車的(de)(de)應(ying)用與(yu)發展(zhan),充(chong)/換(huan)電(dian)(dian)站作為發展(zhan)電(dian)(dian)動汽(qi)車所必須的(de)(de)重(zhong)要(yao)配套基礎設(she)施,具(ju)有非常重(zhong)要(yao)的(de)(de)社會(hui)效益(yi)和(he)(he)經濟效益(yi)。一(yi)場(chang)興建電(dian)(dian)動汽(qi)車充(chong)/換(huan)電(dian)(dian)站的(de)(de)運(yun)動已經在(zai)全國范圍內(nei)展(zhan)開(kai)。
控(kong)制(zhi)柜主要(yao)用(yong)于高層建筑無(wu)塔供(gong)水(shui)(shui)(shui)(shui)(shui),消(xiao)防深井(jing)泵恒壓供(gong)水(shui)(shui)(shui)(shui)(shui)等根據(ju)實(shi)時用(yong)水(shui)(shui)(shui)(shui)(shui)工況需(xu)要(yao)閉環調節水(shui)(shui)(shui)(shui)(shui)泵轉速的場合,采用(yong)知(zhi)名品(pin)牌的變頻器(qi)、智(zhi)能控(kong)制(zhi)器(qi)、壓力傳感(gan)器(qi)及水(shui)(shui)(shui)(shui)(shui)泵組(zu)成閉環控(kong)制(zhi)系統。多泵控(kong)制(zhi),管網壓力穩定,提(ti)高供(gong)水(shui)(shui)(shui)(shui)(shui)質量,減少二(er)次污染,節電效率高,可實(shi)現無(wu)人值守的無(wu)塔供(gong)水(shui)(shui)(shui)(shui)(shui)自動控(kong)制(zhi)系統。
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