關于低壓開關柜您不可不知的小知識
得潤(run)電氣有著三十年的(de)開發經驗和雄厚的(de)技術團隊,為了廣大(da)客戶朋友能(neng)夠選到性價皆優的(de)開關柜,特(te)在本(ben)文中為大(da)家(jia)分享低壓開關柜的(de)電力(li)載波(bo)通訊方式,如下:
低壓開關柜采用(yong)低壓智(zhi)能(neng)復合開(kai)(kai)關(guan)(guan)為執行元件控制(zhi)電(dian)(dian)容器(qi)的(de)(de)(de)(de)投切。智(zhi)能(neng)復合開(kai)(kai)關(guan)(guan)是針對(dui)晶(jing)閘(zha)管無(wu)觸點(dian)(dian)開(kai)(kai)關(guan)(guan)和(he)交(jiao)流(liu)接觸器(qi)在低壓無(wu)功補償應用(yong)中(zhong)(zhong)的(de)(de)(de)(de)不足而研制(zhi)的(de)(de)(de)(de)。它將2種器(qi)件的(de)(de)(de)(de)優(you)(you)點(dian)(dian)融(rong)為一體,回避了晶(jing)閘(zha)管無(wu)觸點(dian)(dian)開(kai)(kai)關(guan)(guan)或固態(tai)繼電(dian)(dian)器(qi)及交(jiao)流(liu)接觸器(qi)這(zhe)2種器(qi)件的(de)(de)(de)(de)缺點(dian)(dian),既能(neng)實現過零投切的(de)(de)(de)(de)功能(neng),又可(ke)保(bao)證開(kai)(kai)關(guan)(guan)導通(tong)(tong)期(qi)間(jian)無(wu)電(dian)(dian)能(neng)損耗,無(wu)浪涌電(dian)(dian)流(liu),對(dui)電(dian)(dian)容和(he)電(dian)(dian)網(wang)無(wu)沖擊,大幅提高電(dian)(dian)容器(qi)的(de)(de)(de)(de)壽命和(he)系統的(de)(de)(de)(de)穩定性。PLC是一種電(dian)(dian)力(li)線和(he)通(tong)(tong)信(xin)(xin)線復用(yong)的(de)(de)(de)(de)通(tong)(tong)信(xin)(xin)形(xing)式,具有投資(zi)少、傳輸速率高、使用(yong)方便、費用(yong)低、永遠在線等優(you)(you)點(dian)(dian)。在配電(dian)(dian)網(wang)中(zhong)(zhong)利(li)用(yong)電(dian)(dian)力(li)線通(tong)(tong)信(xin)(xin),可(ke)以加速自動化的(de)(de)(de)(de)進(jin)程,充分利(li)用(yong)電(dian)(dian)力(li)系統自身的(de)(de)(de)(de)資(zi)源。為保(bao)護提供通(tong)(tong)信(xin)(xin),有利(li)于形(xing)成開(kai)(kai)放式計算機通(tong)(tong)信(xin)(xin)網(wang)絡。
目前,中壓PLC主(zhu)要(yao)(yao)利(li)用(yong)(yong)(yong)10 kV電(dian)(dian)(dian)力(li)線(xian)作為(wei)(wei)通信鏈路,為(wei)(wei)接人骨干(gan)(gan)網(wang)、配(pei)網(wang)自動(dong)化系統等提供數據傳輸(shu)(shu)通道;低壓(ya)PLC利(li)用(yong)(yong)(yong)380V/220 V電(dian)(dian)(dian)力(li)線(xian)為(wei)(wei)傳輸(shu)(shu)媒(mei)介(jie),主(zhu)要(yao)(yao)作為(wei)(wei)用(yong)(yong)(yong)戶(hu)電(dian)(dian)(dian)網(wang)集(ji)(ji)中(zhong)(zhong)遠程自動(dong)抄表系統的(de)(de)(de)(de)(de)(de)數據傳輸(shu)(shu)通道。低壓(ya)開關(guan)柜由于電(dian)(dian)(dian)力(li)線(xian)并不是專為(wei)(wei)傳輸(shu)(shu)信號而(er)設計(ji)的(de)(de)(de)(de)(de)(de),因此有必要(yao)(yao)考慮影(ying)響PLC傳輸(shu)(shu)質量的(de)(de)(de)(de)(de)(de)幾點主(zhu)要(yao)(yao)因素:電(dian)(dian)(dian)力(li)網(wang)絡的(de)(de)(de)(de)(de)(de)阻抗(kang)特(te)(te)性(xing)、衰減特(te)(te)性(xing)、噪聲干(gan)(gan)擾,以(yi)及居民區低壓(ya)電(dian)(dian)(dian)網(wang)中(zhong)(zhong)家(jia)用(yong)(yong)(yong)電(dian)(dian)(dian)器的(de)(de)(de)(de)(de)(de)干(gan)(gan)擾。電(dian)(dian)(dian)力(li)線(xian)上“因地(di)而(er)變”的(de)(de)(de)(de)(de)(de)干(gan)(gan)擾特(te)(te)性(xing)非(fei)常復雜,且隨機性(xing)、時變性(xing)大,難(nan)以(yi)找到一個較準確的(de)(de)(de)(de)(de)(de)解析(xi)式和數學模(mo)型加以(yi)描述(shu),需結合(he)實(shi)際情(qing)況,采用(yong)(yong)(yong)多(duo)種技術(shu)措施,才能達到滿意(yi)的(de)(de)(de)(de)(de)(de)載波通信效(xiao)果。依靠低壓(ya)PLC通信技術(shu)發展起來的(de)(de)(de)(de)(de)(de)集(ji)(ji)中(zhong)(zhong)抄表應用(yong)(yong)(yong)系統,能實(shi)現臺區電(dian)(dian)(dian)費的(de)(de)(de)(de)(de)(de)遠間隔(ge)集(ji)(ji)中(zhong)(zhong)抄錄,監控對(dui)臺區總電(dian)(dian)(dian)量、線(xian)損的(de)(de)(de)(de)(de)(de)統計(ji)和計(ji)算,有效(xiao)緩解了抄/收電(dian)(dian)(dian)費工作量大的(de)(de)(de)(de)(de)(de)問題(ti)。
安(an)徽得(de)潤(run)(run)電氣的(de)(de)(de)低開(kai)關(guan)柜均采用(yong)上乘的(de)(de)(de)敷(fu)鋁鋅板,引進國外先進技(ji)(ji)術。得(de)潤(run)(run)電氣高(gao)低壓(ya)開(kai)關(guan)柜獲(huo)得(de)十余項國家(jia)專(zhuan)利,綜(zong)合(he)新(xin)技(ji)(ji)術、新(xin)工藝,不(bu)斷推陳出新(xin),持續為客戶提供更(geng)高(gao)品(pin)質的(de)(de)(de)產(chan)品(pin)。得(de)潤(run)(run)高(gao)低壓(ya)開(kai)關(guan)柜廣(guang)泛應用(yong)于建(jian)材、冶金、電力(li)、化工、船舶、鐵路、輕工業(ye)等多行業(ye)。如此雄厚的(de)(de)(de)力(li)量您(nin)不(bu)容錯過。
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