做生(sheng)意開店(dian)鋪(pu)的(de)(de)(de)(de)(de)(de)(de)人(ren)有千千萬(wan)萬(wan)，有的(de)(de)(de)(de)(de)(de)(de)是不(bu)(bu)需要(yao)(yao)(yao)懂(dong)什么相(xiang)(xiang)(xiang)關知識(shi)就(jiu)可(ke)以賣東西(xi)的(de)(de)(de)(de)(de)(de)(de)。 可(ke)對(dui)于(yu)(yu)賣電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)設備行(xing)(xing)業的(de)(de)(de)(de)(de)(de)(de)商家，有多少(shao)真正 在行(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)？最(zui)近一(yi)(yi)位(wei)咨詢電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)用(yong)(yong)戶，需要(yao)(yao)(yao)一(yi)(yi)臺帶剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，不(bu)(bu)知道需要(yao)(yao)(yao)多大(da)(da)(da)(da)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)合適？ 鵠興工(gong)(gong)程師(shi)就(jiu)詳細(xi)來說明一(yi)(yi)下挑 選(xuan)(xuan)(xuan)(xuan)剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)要(yao)(yao)(yao)素： 方法一(yi)(yi)：通過(guo)(guo)公式(shi)(shi)(shi)計(ji)(ji)算(suan)(suan)(suan)所(suo)(suo)需的(de)(de)(de)(de)(de)(de)(de)剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)大(da)(da)(da)(da)小(xiao)： 　　 （1）對(dui)于(yu)(yu)恒定(ding)(ding)(ding)負載(zai)(zai)(zai)連(lian)續(xu)(xu)工(gong)(gong)作方式(shi)(shi)(shi)，如(ru)(ru)果(guo)(guo)知道負載(zai)(zai)(zai)的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)（即(ji)生(sheng)產機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)軸(zhou)上的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)）Pl（kw）。可(ke)按(an)下式(shi)(shi)(shi)計(ji)(ji)算(suan)(suan)(suan)所(suo)(suo)需電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de) 功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)P（kw）：P=P1/n1n2式(shi)(shi)(shi)中(zhong)(zhong)n1為(wei)(wei)生(sheng)產機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)的(de)(de)(de)(de)(de)(de)(de)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)；n2為(wei)(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)。即(ji)傳(chuan)動(dong)(dong)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)。 　　按(an)上式(shi)(shi)(shi)求出的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)，由于(yu)(yu)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)等(deng)不(bu)(bu)一(yi)(yi)定(ding)(ding)(ding)十分精確，機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)能(neng)(neng)(neng)等(deng)損失存(cun)在一(yi)(yi)定(ding)(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)變(bian)數(shu)(shu)，因此(ci)(ci)。所(suo)(suo)選(xuan)(xuan)(xuan)(xuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)額(e)定(ding)(ding)(ding)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)應(ying)等(deng)于(yu)(yu)或(huo)(huo) 稍(shao)大(da)(da)(da)(da)于(yu)(yu)計(ji)(ji)算(suan)(suan)(suan)所(suo)(suo)得(de)的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)。 　　 例：某生(sheng)產機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)為(wei)(wei)3.95kw.機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)為(wei)(wei)70％、如(ru)(ru)果(guo)(guo)選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)為(wei)(wei)0.8的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，試(shi)求該電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)應(ying)為(wei)(wei)多少(shao)kw? 　　解：P=P1/n1n2=3.95/0.7*0.8=7.1kw 　　由于(yu)(yu)沒有7.1kw這—規格，所(suo)(suo)以選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)7.5kw的(de)(de)(de)(de)(de)(de)(de)剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。 　　 （2）短(duan)(duan)時(shi)(shi)工(gong)(gong)作定(ding)(ding)(ding)額(e)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。與功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)相(xiang)(xiang)(xiang)同的(de)(de)(de)(de)(de)(de)(de)連(lian)續(xu)(xu)工(gong)(gong)作定(ding)(ding)(ding)額(e)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)相(xiang)(xiang)(xiang)比(bi)。重量小(xiao)，最(zui)大(da)(da)(da)(da)轉(zhuan)(zhuan)矩(ju)大(da)(da)(da)(da)，價格低(di)(di)。因此(ci)(ci)，在條件許 可(ke)時(shi)(shi)，應(ying)盡(jin)量選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)短(duan)(duan)時(shi)(shi)工(gong)(gong)作定(ding)(ding)(ding)額(e)S2工(gong)(gong)作制的(de)(de)(de)(de)(de)(de)(de)剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)大(da)(da)(da)(da)小(xiao)也可(ke)參考上述公式(shi)(shi)(shi)，略大(da)(da)(da)(da)約(yue)或(huo)(huo)等(deng)于(yu)(yu)計(ji)(ji)算(suan)(suan)(suan)結(jie)果(guo)(guo)。 　　 （3）對(dui)于(yu)(yu)斷(duan)續(xu)(xu)工(gong)(gong)作定(ding)(ding)(ding)額(e)S3工(gong)(gong)作制的(de)(de)(de)(de)(de)(de)(de)剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，其功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)大(da)(da)(da)(da)小(xiao)的(de)(de)(de)(de)(de)(de)(de)選(xuan)(xuan)(xuan)(xuan)擇(ze)、要(yao)(yao)(yao)根據(ju)負載(zai)(zai)(zai)持續(xu)(xu)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)大(da)(da)(da)(da)小(xiao)，選(xuan)(xuan)(xuan)(xuan)用(yong)(yong)專門(men)用(yong)(yong)于(yu)(yu)斷(duan)續(xu)(xu)運(yun)行(xing)(xing)方式(shi)(shi)(shi) 的(de)(de)(de)(de)(de)(de)(de)S3工(gong)(gong)作制的(de)(de)(de)(de)(de)(de)(de)剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。負載(zai)(zai)(zai)持續(xu)(xu)串Fs％的(de)(de)(de)(de)(de)(de)(de)計(ji)(ji)算(suan)(suan)(suan)公式(shi)(shi)(shi)為(wei)(wei) 　　FS％＝tg/（tg+to）×100％式(shi)(shi)(shi)中(zhong)(zhong)tg為(wei)(wei)工(gong)(gong)作時(shi)(shi)間(jian)(jian)（單(dan)位(wei)為(wei)(wei)：min），t。為(wei)(wei)停止(zhi)時(shi)(shi)間(jian)(jian)（單(dan)位(wei)為(wei)(wei)：min）；tg十to為(wei)(wei)工(gong)(gong)作周(zhou)(zhou)期(qi)時(shi)(shi) 間(jian)(jian)（單(dan)位(wei)為(wei)(wei)：min）。 變(bian)頻(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、三相(xiang)(xiang)(xiang)異步(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)：變(bian)頻(pin)調速(su)三相(xiang)(xiang)(xiang)異步(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)是以變(bian)頻(pin)器(qi)為(wei)(wei)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)(de)(de)(de)(de)變(bian)頻(pin)調速(su)三相(xiang)(xiang)(xiang)異步(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。通過(guo)(guo)改變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)頻(pin)率(lv)(lv)(lv)(lv)(lv)(lv)(lv) 實(shi)(shi)(shi)現(xian)平滑地調節電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(su)，達到節能(neng)(neng)(neng)和(he)(he)控(kong)制自動(dong)(dong)化(hua)的(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)。 剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、防(fang)水電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、防(fang)爆電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、大(da)(da)(da)(da)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)變(bian)頻(pin)調速(su)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、小(xiao)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)型號(hao) 煤(mei)礦專用(yong)(yong)隔(ge)爆型三相(xiang)(xiang)(xiang)永(yong)磁(ci)(ci)同步(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)滾(gun)筒（永(yong)磁(ci)(ci)滾(gun)筒 永(yong)磁(ci)(ci)滾(gun)筒電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) 防(fang)爆永(yong)磁(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)）：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)采用(yong)(yong)ExdⅠMb防(fang)爆等(deng)級，為(wei)(wei)井(jing)下礦用(yong)(yong)皮(pi) 帶輸(shu)送機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)專用(yong)(yong)低(di)(di)速(su)大(da)(da)(da)(da)轉(zhuan)(zhuan)矩(ju)永(yong)磁(ci)(ci)同步(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)取代了(le)原來異步(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)+減速(su)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)+滾(gun)筒的(de)(de)(de)(de)(de)(de)(de)驅動(dong)(dong)模式(shi)(shi)(shi)，將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)置于(yu)(yu)滾(gun)筒內部，實(shi)(shi)(shi)現(xian)了(le)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)一(yi)(yi)體化(hua)；永(yong)磁(ci)(ci)同步(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)滾(gun)筒直接驅動(dong)(dong)皮(pi)帶，無(wu)任何中(zhong)(zhong)間(jian)(jian)傳(chuan)動(dong)(dong)環(huan)節，提高(gao)(gao)了(le)系統可(ke)靠性，縮短(duan)(duan)了(le)傳(chuan)動(dong)(dong)鏈，提高(gao)(gao)了(le)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)，降低(di)(di)了(le) 故(gu)障率(lv)(lv)(lv)(lv)(lv)(lv)(lv)。 一(yi)(yi)、適用(yong)(yong)環(huan)境： 周(zhou)(zhou)圍環(huan)境溫度－5℃～40℃； 海(hai)拔高(gao)(gao)度不(bu)(bu)超過(guo)(guo)1000m，礦井(jing)大(da)(da)(da)(da)氣壓（0.08～0.11）Mpa； 空(kong)氣相(xiang)(xiang)(xiang)對(dui)濕度不(bu)(bu)大(da)(da)(da)(da)于(yu)(yu)95％（25℃時(shi)(shi)）； 有瓦斯和(he)(he)煤(mei)塵爆炸危險的(de)(de)(de)(de)(de)(de)(de)環(huan)境中(zhong)(zhong)； 污染(ran)等(deng)級為(wei)(wei)3級； 無(wu)顯著振動(dong)(dong)和(he)(he)沖擊的(de)(de)(de)(de)(de)(de)(de)場所(suo)(suo)。 二、系統的(de)(de)(de)(de)(de)(de)(de)特點及優(you)勢(shi) 1、安全、可(ke)靠。結(jie)構簡單(dan)、過(guo)(guo)載(zai)(zai)(zai)倍數(shu)(shu)高(gao)(gao)，矢量控(kong)制，基本免維護。 2、低(di)(di)速(su)、大(da)(da)(da)(da)扭矩(ju)。系統轉(zhuan)(zhuan)速(su)低(di)(di)，輸(shu)出扭矩(ju)大(da)(da)(da)(da)，運(yun)行(xing)(xing)平穩。 3、高(gao)(gao)效(xiao)節能(neng)(neng)(neng)。采用(yong)(yong)永(yong)磁(ci)(ci)體勵磁(ci)(ci)，高(gao)(gao)效(xiao)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)、高(gao)(gao)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)因數(shu)(shu)。 4、便于(yu)(yu)集控(kong)，可(ke)實(shi)(shi)(shi)現(xian)無(wu)人(ren)值守。 剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)應(ying)根據(ju)生(sheng)產機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)所(suo)(suo)需要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)來選(xuan)(xuan)(xuan)(xuan)擇(ze)，盡(jin)量使(shi)剎(cha)(cha)車(che)(che)(che)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)在額(e)定(ding)(ding)(ding)負載(zai)(zai)(zai)下運(yun)行(xing)(xing)。既不(bu)(bu)浪(lang)費電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)，也不(bu)(bu)能(neng)(neng)(neng)使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) 過(guo)(guo)負荷(he)長時(shi)(shi)間(jian)(jian)運(yun)行(xing)(xing)。如(ru)(ru)果(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)功(gong)率(lv)(lv)(lv)(lv)(lv)(lv)(lv)選(xuan)(xuan)(xuan)(xuan)得(de)過(guo)(guo)小(xiao)，造成電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)長期(qi)過(guo)(guo)載(zai)(zai)(zai)，使(shi)其絕緣因發(fa)熱而損壞，甚至電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)被燒毀；而如(ru)(ru)果(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji) 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