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龍山電力電纜系列

電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)是(shi)用于(yu)傳輸和(he)分配(pei)電(dian)(dian)(dian)(dian)(dian)能(neng)的(de)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)常用于(yu)城市(shi)地下(xia)(xia)電(dian)(dian)(dian)(dian)(dian)網、發電(dian)(dian)(dian)(dian)(dian)站引出線(xian)路(lu)、工礦(kuang)企業內部供電(dian)(dian)(dian)(dian)(dian)及過江海水下(xia)(xia)輸電(dian)(dian)(dian)(dian)(dian)線(xian)。在電(dian)(dian)(dian)(dian)(dian)力線(xian)路(lu)中,電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)所占比(bi)重正(zheng)逐漸增加(jia)。電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)是(shi)在電(dian)(dian)(dian)(dian)(dian)力系統的(de)主(zhu)干線(xian)路(lu)中用以傳輸和(he)分配(pei)大(da)功率(lv)電(dian)(dian)(dian)(dian)(dian)能(neng)的(de)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)產(chan)品。

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常規件儲備(bei)充足 滿足不同生產線使用需(xu)求

電力電纜

電(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)是(shi)用于傳輸(shu)和分配電(dian)(dian)(dian)(dian)(dian)(dian)能的(de)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan),電(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)常(chang)用于城市地下電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)、發(fa)電(dian)(dian)(dian)(dian)(dian)(dian)站引出(chu)線(xian)路(lu)、工礦企(qi)業內部供電(dian)(dian)(dian)(dian)(dian)(dian)及過江(jiang)海水下輸(shu)電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)。在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)線(xian)路(lu)中(zhong),電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)所占比重(zhong)正(zheng)逐漸增加。電(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)是(shi)在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)系(xi)統的(de)主干線(xian)路(lu)中(zhong)用以傳輸(shu)和分配大(da)功(gong)率電(dian)(dian)(dian)(dian)(dian)(dian)能的(de)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)產品,包括(kuo)1-500KV以及以上各(ge)種(zhong)(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)壓等級,各(ge)種(zhong)(zhong)絕緣的(de)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)。

中文名

電力電纜

基本簡介

電力電纜的使用至(zhi)今已有百年

主要(yao)分類

分類(lei):按電(dian)壓(ya)等(deng)級分

簡介:電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)的(de)(de)(de)使用至今已(yi)有百余年歷(li)史。1879年,美國(guo)發(fa)明家T.A.愛迪生在銅棒上包繞(rao)黃麻并(bing)將其(qi)穿入鐵管(guan)內,然后(hou)填充瀝青混(hun)合物(wu)制成(cheng)(cheng)(cheng)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)。他將此電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)敷(fu)(fu)設(she)于(yu)紐約,開(kai)創(chuang)了(le)(le)地(di)下輸電(dian)(dian)(dian)(dian)。次年,英(ying)國(guo)人(ren)卡倫(lun)德(de)發(fa)明瀝青浸漬紙絕緣電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)。1889年,英(ying)國(guo)人(ren)S.Z.費蘭梯在倫(lun)敦(dun)與德(de)特福德(de)之間(jian)敷(fu)(fu)設(she)了(le)(le)10千(qian)伏油浸紙絕緣電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)。1908年,英(ying)國(guo)建成(cheng)(cheng)(cheng)20千(qian)伏電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)網。電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)得到越來越廣的(de)(de)(de)應(ying)用。1911年,德(de)國(guo)敷(fu)(fu)設(she)成(cheng)(cheng)(cheng)60千(qian)伏高壓(ya)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan),開(kai)始了(le)(le)高壓(ya)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)的(de)(de)(de)發(fa)展(zhan)。1913年,德(de)國(guo)人(ren)M.霍希施泰特研制成(cheng)(cheng)(cheng)分(fen)相屏蔽電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan),改善了(le)(le)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)內部電(dian)(dian)(dian)(dian)場分(fen)布,消除了(le)(le)絕緣表面(mian)的(de)(de)(de)正切應(ying)力(li),成(cheng)(cheng)(cheng)為(wei)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)發(fa)展(zhan)中的(de)(de)(de)里程碑(bei)。1952年,瑞典(dian)在北(bei)部發(fa)電(dian)(dian)(dian)(dian)廠敷(fu)(fu)設(she)了(le)(le)380千(qian)伏超(chao)高壓(ya)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan),實現了(le)(le)超(chao)高壓(ya)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)的(de)(de)(de)應(ying)用。到80年代(dai)已(yi)制成(cheng)(cheng)(cheng)1100千(qian)伏、1200千(qian)伏的(de)(de)(de)特高壓(ya)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)(lan)。

分類:按電壓等級分

按(an)電(dian)(dian)壓(ya)(ya)等(deng)級可分為中、低壓(ya)(ya)電(dian)(dian)力電(dian)(dian)纜(lan)(lan)(35千(qian)伏及以(yi)下)、高壓(ya)(ya)電(dian)(dian)纜(lan)(lan)(110千(qian)伏以(yi)上)、超高壓(ya)(ya)電(dian)(dian)纜(lan)(lan)(275~800千(qian)伏)以(yi)及特高壓(ya)(ya)電(dian)(dian)纜(lan)(lan)(1000千(qian)伏及以(yi)上)。此外,還可按(an)電(dian)(dian)流(liu)(liu)制(zhi)分為交流(liu)(liu)電(dian)(dian)纜(lan)(lan)和直(zhi)流(liu)(liu)電(dian)(dian)纜(lan)(lan)。

按絕緣材料分(fen)

1、油浸(jin)(jin)紙(zhi)絕緣電(dian)力電(dian)纜(lan)以(yi)油浸(jin)(jin)紙(zhi)作絕緣的電(dian)力電(dian)纜(lan)。其(qi)應用歷史最長。它安全可靠,使(shi)用壽命長,價格低廉。主要(yao)缺點(dian)是敷設受落(luo)差限制。自從開發出不(bu)滴流浸(jin)(jin)紙(zhi)絕緣后(hou),解決了落(luo)差限制問(wen)題,使(shi)油浸(jin)(jin)紙(zhi)絕緣電(dian)纜(lan)得以(yi)繼續廣泛應用。

2、塑(su)料(liao)絕緣(yuan)電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)(lan)  絕緣(yuan)層(ceng)為(wei)擠壓(ya)塑(su)料(liao)的(de)電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)(lan)。常用的(de)塑(su)料(liao)有聚氯乙(yi)(yi)(yi)烯、聚乙(yi)(yi)(yi)烯、交聯(lian)聚乙(yi)(yi)(yi)烯。塑(su)料(liao)電(dian)(dian)纜(lan)(lan)(lan)結(jie)構簡單,制造(zao)加工方便,重量輕,敷設安裝方便,不受(shou)敷設落差限(xian)制。因此廣泛應(ying)用作中(zhong)低壓(ya)電(dian)(dian)纜(lan)(lan)(lan),并有取代粘性浸(jin)漬(zi)油紙電(dian)(dian)纜(lan)(lan)(lan)的(de)趨勢。其最大缺點是存(cun)在(zai)樹(shu)枝化擊穿現象(xiang),這限(xian)制了它在(zai)更高電(dian)(dian)壓(ya)的(de)使用。

3、橡皮絕緣(yuan)電(dian)力電(dian)纜 絕緣(yuan)層為(wei)橡膠加(jia)上各(ge)種配合(he)劑,經(jing)過(guo)充分混煉后擠包在(zai)導電(dian)線芯上,經(jing)過(guo)加(jia)溫硫化(hua)而成。它柔軟,富有彈性,適合(he)于(yu)移動頻(pin)繁、敷設彎曲半(ban)徑小的場合(he)。

常用(yong)作絕緣的膠料(liao)有天(tian)然(ran)膠-丁苯膠混合物(wu),乙丙膠、丁基膠等。

按電壓等級分

1、低(di)壓電(dian)(dian)纜:適用于固定敷(fu)設(she)在交(jiao)流(liu)50Hz,額定電(dian)(dian)壓3kv及以下的輸(shu)配電(dian)(dian)線路上作輸(shu)送電(dian)(dian)能用。

2、中低壓(ya)電纜(lan):(一般指35KV及以下):聚(ju)氯乙烯絕(jue)緣(yuan)電纜(lan),聚(ju)乙烯絕(jue)緣(yuan)電纜(lan),交聯聚(ju)乙烯絕(jue)緣(yuan)電纜(lan)等(deng)。

3、高壓電纜(lan):(一般(ban)為110KV及以上):聚乙烯電纜(lan)和交(jiao)聯聚乙烯絕緣電纜(lan)等。

4、超高壓電纜:(275~800千伏)。

5、特(te)高壓電(dian)纜(lan):(1000千(qian)伏及以(yi)上)。

基本結構:電力電纜(lan)的(de)基本結構由線(xian)芯(導(dao)體)、絕緣(yuan)層、屏(ping)蔽層和保護(hu)層四(si)部分組成。

1.線芯(xin)是(shi)電(dian)力電(dian)纜的導電(dian)部(bu)分(fen),用來輸送電(dian)能,是(shi)電(dian)力電(dian)纜的主要部(bu)分(fen)。

2.絕緣層(ceng)是(shi)將(jiang)線(xian)芯與大地以及(ji)不(bu)同相的線(xian)芯間在電(dian)(dian)氣上彼此(ci)隔離,保(bao)證電(dian)(dian)能輸送,是(shi)電(dian)(dian)力電(dian)(dian)纜結構中不(bu)可缺少的組成部(bu)分。

3.15KV及(ji)以上(shang)的電力電纜一般(ban)都有導體屏蔽層和絕緣屏蔽層。

4.保(bao)(bao)護層的(de)(de)作用是(shi)保(bao)(bao)護電力(li)(li)電纜免受外(wai)界雜質和水分的(de)(de)侵入,以及(ji)防止外(wai)力(li)(li)直接損(sun)壞電力(li)(li)電纜。

主要優點(dian):

1占(zhan)(zhan)地(di)少(shao)。一般埋設(she)于(yu)土壤中(zhong)(zhong)或敷設(she)于(yu)室內,溝道,隧道中(zhong)(zhong),線間(jian)絕(jue)緣(yuan)距離小,不用桿塔,占(zhan)(zhan)地(di)少(shao),基(ji)本不占(zhan)(zhan)地(di)面上空間(jian)。

2可靠性高(gao)。受(shou)氣(qi)候條件(jian)和周圍環(huan)境(jing)影(ying)響小,傳輸性能穩定,可靠性高(gao)。

3具有向(xiang)超高壓(ya),大容量(liang)發展的更(geng)為有利的條件,如(ru)低溫,超導電力電纜等。

4分布電容較大。

5維護工作量少。

6電擊可能性小。

型號說明(ming)

電(dian)力電(dian)纜的(de)型號

1.用漢(han)語(yu)拼(pin)音第一個字(zi)母的大寫表(biao)(biao)(biao)示絕緣(yuan)種類(lei)、導(dao)體材料(liao)、內護層材料(liao)和結構特點(dian)。如用Z代(dai)表(biao)(biao)(biao)紙(zhi);L代(dai)表(biao)(biao)(biao)鋁(lv)(lv);Q代(dai)表(biao)(biao)(biao)鉛(qian);F代(dai)表(biao)(biao)(biao)分相(fen);ZR代(dai)表(biao)(biao)(biao)阻燃(zuran);NH代(dai)表(biao)(biao)(biao)耐火(naihuo)。

2.用數(shu)(shu)字(zi)表(biao)示外(wai)護(hu)層(ceng)構成,有二位(wei)數(shu)(shu)字(zi)。無(wu)數(shu)(shu)字(zi)代表(biao)無(wu)鎧裝層(ceng),無(wu)外(wai)被層(ceng)。第(di)一位(wei)數(shu)(shu)字(zi)表(biao)示鎧裝,第(di)二位(wei)數(shu)(shu)字(zi)表(biao)示外(wai)被,如粗(cu)鋼絲鎧裝纖維外(wai)被表(biao)示為41。

3.電纜(lan)(lan)型號按電纜(lan)(lan)結構的排列一般依次序(xu)為:絕(jue)緣材料(liao);導體材料(liao);內護層;外護層。

4.電纜產(chan)品用型(xing)號、額定電壓(ya)和規(gui)格表示(shi)。其方法是在型(xing)號后再加(jia)上說(shuo)明額定電壓(ya)、芯數和標(biao)稱(cheng)截面積(ji)的。

型號詳細說明

(1)類(lei)別:H——市內通信電(dian)纜HP——配線(xian)電(dian)纜HJ——局用電(dian)纜

(2)絕緣:Y——聚(ju)乙烯(xi)絕緣YF——泡沫(mo)聚(ju)烯(xi)烴絕緣YP——泡沫(mo)/實心(xin)皮聚(ju)烯(xi)烴絕緣

(3)內護層:A——涂(tu)塑鋁帶(dai)粘接屏蔽聚乙烯(xi)護套(tao)S——鋁,鋼(gang)雙層金屬帶(dai)屏蔽聚乙烯(xi)護套(tao)      V——聚氯(lv)乙烯(xi)護套(tao)

(4)特征:T——石油(you)膏填充G——高頻隔(ge)離C——自承(cheng)式

(5)外(wai)護層:23——雙層防腐(fu)鋼帶繞包銷裝聚乙烯外(wai)被層

33——單層細鋼絲鎧裝聚(ju)乙烯(xi)被層

43——單層粗鋼絲鎧(kai)裝聚乙烯被層

53——單層鋼帶皺紋縱包鎧裝(zhuang)聚(ju)乙烯外被層

553——雙層(ceng)鋼帶皺紋縱包鎧裝聚乙(yi)烯外被層(ceng)

2) BV 銅芯聚氯(lv)乙(yi)烯(xi)絕緣(yuan)(yuan)電(dian)線;BLV 鋁(lv)芯聚氯(lv)乙(yi)烯(xi)絕緣(yuan)(yuan)電(dian)線;

BVV 銅(tong)芯(xin)聚氯(lv)乙(yi)烯(xi)絕(jue)緣聚氯(lv)乙(yi)烯(xi)護套電線(xian);BLVV 鋁芯(xin)聚氯(lv)乙(yi)烯(xi)絕(jue)緣聚氯(lv)乙(yi)烯(xi)護套電線(xian);

BVR 銅芯聚氯乙烯絕緣軟線;RV 銅芯聚氯乙烯絕緣安裝軟線;

RVB 銅芯聚氯(lv)(lv)乙烯(xi)絕緣平型連接線(xian)軟(ruan)線(xian);BVS 銅芯聚氯(lv)(lv)乙烯(xi)絕緣絞型軟(ruan)線(xian);

RVV 銅芯聚(ju)氯乙烯絕緣(yuan)聚(ju)氯乙烯護套(tao)軟(ruan)(ruan)線(xian);BYR 聚(ju)乙烯絕緣(yuan)軟(ruan)(ruan)電線(xian);

BYVR 聚乙烯(xi)絕緣聚氯乙烯(xi)護(hu)套軟線(xian);RY 聚乙烯(xi)絕緣軟線(xian);

RYV 聚乙烯絕(jue)緣聚氯(lv)乙烯護套軟(ruan)線

3)WD:無鹵(lu)低煙型(xing)ZR: 阻燃型(xing)NH:耐火型(xing)DH:防火型(xing)


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