離石電(dian)線電(dian)纜埋設深度、凈距的要求
作者: 發布時(shi)間:2023-03-30
離(li)石(shi)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)埋設(she)(she)的(de)(de)深度(du),電(dian)(dian)(dian)(dian)纜(lan)(lan)之(zhi)間的(de)(de)凈(jing)(jing)(jing)距(ju)(ju),與(yu)其(qi)它(ta)管(guan)線間接近和交叉(cha)的(de)(de)凈(jing)(jing)(jing)距(ju)(ju),應符(fu)合下(xia)(xia)列規定: 一(yi)、離(li)石(shi)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)直(zhi)埋深度(du)(由(you)地(di)面至電(dian)(dian)(dian)(dian)纜(lan)(lan)外(wai)皮)0.7米(mi)。 二(er)、電(dian)(dian)(dian)(dian)纜(lan)(lan)外(wai)皮至地(di)下(xia)(xia)建(jian)筑物(wu)的(de)(de)基(ji)礎(chu)0.6米(mi),但(dan)最小(xiao)(xiao)謝絕(jue)小(xiao)(xiao)于0.3米(mi)。 三(san)、 離(li)石(shi)電(dian)(dian)(dian)(dian)纜(lan)(lan)與(yu)電(dian)(dian)(dian)(dian)纜(lan)(lan)相(xiang)互間水平接近時(shi),最小(xiao)(xiao)凈(jing)(jing)(jing)距(ju)(ju)0.1米(mi);不(bu)同部門(men)的(de)(de)電(dian)(dian)(dian)(dian)纜(lan)(lan)相(xiang)互間0.5米(mi)。 四、電(dian)(dian)(dian)(dian)纜(lan)(lan)相(xiang)互交叉(cha)時(shi)的(de)(de)最小(xiao)(xiao)凈(jing)(jing)(jing)距(ju)(ju)0.5米(mi),在交叉(cha)點前后一(yi)米(mi)范圍用隔板(ban)隔開可降(jiang)低為0.25米(mi),穿管(guan)交叉(cha)不(bu)作(zuo)規定; 五、離(li)石(shi)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)與(yu)熱力(li)管(guan)道(dao)、煤氣、石(shi)油管(guan)道(dao)接近時(shi)的(de)(de)凈(jing)(jing)(jing)距(ju)(ju)2米(mi);交叉(cha)時(shi)的(de)(de)凈(jing)(jing)(jing)距(ju)(ju)離(li)0.5米(mi)。 在離(li)石(shi)電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)直(zhi)埋敷設(she)(she)時(shi),溝底必(bi)須具有良好的(de)(de)地(di)層,不(bu)應有石(shi)塊、磚頭等其(qi)它(ta)硬制(zhi)雜物(wu),否則(ze)應鋪以10...
山西特種電纜耐熱電纜特性
作者: 發布時間:2023-03-30
特(te)(te)(te)(te)種(zhong)(zhong)(zhong)電(dian)(dian)纜是(shi)一系列(lie)具有獨(du)特(te)(te)(te)(te)性能和(he)(he)特(te)(te)(te)(te)殊結(jie)構的(de)產品,相(xiang)(xiang)當于(yu)量(liang)(liang)大(da)(da)面廣的(de)普通電(dian)(dian)線電(dian)(dian)纜而言,具有技術含量(liang)(liang)較(jiao)高、使用(yong)條件(jian)較(jiao)嚴(yan)格、批量(liang)(liang)較(jiao)小、附加(jia)值(zhi)較(jiao)高的(de)特(te)(te)(te)(te)點。今天就(jiu)來講講山(shan)西特(te)(te)(te)(te)種(zhong)(zhong)(zhong)電(dian)(dian)纜耐(nai)(nai)(nai)熱(re)電(dian)(dian)纜特(te)(te)(te)(te)性,希望(wang)對大(da)(da)家有所幫助。 山(shan)西特(te)(te)(te)(te)種(zhong)(zhong)(zhong)電(dian)(dian)纜往(wang)往(wang)采用(yong)新(xin)(xin)材料、新(xin)(xin)結(jie)構、新(xin)(xin)工藝和(he)(he)新(xin)(xin)的(de)設(she)計(ji)計(ji)算。 105 +105°C 鍍(du)(du)錫(xi)銅導體+擠包耐(nai)(nai)(nai)熱(re)PVC 應(ying)(ying)用(yong)場(chang)合(he):各(ge)種(zhong)(zhong)(zhong)耐(nai)(nai)(nai)熱(re)場(chang)合(he)、電(dian)(dian)子(zi)電(dian)(dian)器(qi)(qi)設(she)備(bei) 115 +115°C 鍍(du)(du)錫(xi)銅導體+擠包PVC和(he)(he)尼(ni)龍 應(ying)(ying)用(yong)場(chang)合(he):各(ge)種(zhong)(zhong)(zhong)相(xiang)(xiang)應(ying)(ying)的(de)耐(nai)(nai)(nai)熱(re)場(chang)合(he)、電(dian)(dian)子(zi)電(dian)(dian)器(qi)(qi)設(she)備(bei) 125 +125°C 鍍(du)(du)錫(xi)銅導體+擠包聚烯烴或氟塑(su)料應(ying)(ying)用(yong)場(chang)合(he):各(ge)種(zhong)(zhong)(zhong)相(xiang)(xiang)應(ying)(ying)的(de)耐(nai)(nai)(nai)熱(re)場(chang)合(he)、電(dian)(dian)子(zi)電(dian)(dian)器(qi)(qi)設(she)備(bei) 鍍(du)(du)錫(xi)銅導體+繞(rao)包合(he)成纖維(wei) 電(dian)(dian)加(jia)熱(re)設(she)備(bei)、機(ji)械、...
陜西鋁(lv)合金電纜(lan)彌補了(le)以往純鋁(lv)電纜(lan)的不足
作(zuo)者: 發布時間:2023-03-30
鋁(lv)(lv)(lv)合(he)金(jin)的(de)(de)(de)(de)導(dao)電(dian)率是最常用(yong)基準材料(liao)銅(tong)(tong)(tong)IACS的(de)(de)(de)(de)61.5%,載(zai)流量(liang)是銅(tong)(tong)(tong)的(de)(de)(de)(de)79%,優于純鋁(lv)(lv)(lv)標準。當然好(hao)處(chu)還不止(zhi)這(zhe)些,今天就來講(jiang)講(jiang)陜西鋁(lv)(lv)(lv)合(he)金(jin)電(dian)纜(lan)(lan)彌補(bu)了以(yi)(yi)往純鋁(lv)(lv)(lv)電(dian)纜(lan)(lan)的(de)(de)(de)(de)不足,希望對(dui)大(da)家有(you)所幫助。 陜西鋁(lv)(lv)(lv)合(he)金(jin)電(dian)纜(lan)(lan)是以(yi)(yi)AA-8000 系(xi)列(lie)鋁(lv)(lv)(lv)合(he)金(jin)材料(liao)為導(dao)體,電(dian)纜(lan)(lan)生產廠家采(cai)用(yong)特殊緊壓工藝和退火處(chu)理等先(xian)進技術發明創(chuang)造(zao)的(de)(de)(de)(de)新(xin)型(xing)材料(liao)電(dian)力電(dian)纜(lan)(lan)。 陜西鋁(lv)(lv)(lv)合(he)金(jin)電(dian)纜(lan)(lan)的(de)(de)(de)(de)導(dao)電(dian)率是最常用(yong)基準材料(liao)銅(tong)(tong)(tong)IACS的(de)(de)(de)(de)61.5%,載(zai)流量(liang)是銅(tong)(tong)(tong)的(de)(de)(de)(de)79%,優于純鋁(lv)(lv)(lv)標準。但在(zai)同(tong)(tong)樣體積下(xia),鋁(lv)(lv)(lv)合(he)金(jin)的(de)(de)(de)(de)實際重(zhong)量(liang)大(da)約(yue)是銅(tong)(tong)(tong)的(de)(de)(de)(de)三分之一(yi)(yi)。按(an)照該(gai)計算(suan),在(zai)滿足相(xiang)同(tong)(tong)導(dao)電(dian)性能的(de)(de)(de)(de)前提下(xia),相(xiang)同(tong)(tong)重(zhong)量(liang)鋁(lv)(lv)(lv)合(he)金(jin)電(dian)纜(lan)(lan)的(de)(de)(de)(de)長度(du)是銅(tong)(tong)(tong)電(dian)纜(lan)(lan)的(de)(de)(de)(de)兩倍。因(yin)此,相(xiang)同(tong)(tong)載(zai)流量(liang)時鋁(lv)(lv)(lv)合(he)金(jin)電(dian)纜(lan)(lan)的(de)(de)(de)(de)重(zhong)量(liang)大(da)約(yue)是銅(tong)(tong)(tong)纜(lan)(lan)的(de)(de)(de)(de)一(yi)(yi)半。...