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138-9810-2027
電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)是用于(yu)傳輸(shu)(shu)和分配電(dian)(dian)(dian)(dian)能的電(dian)(dian)(dian)(dian)纜(lan)(lan),電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)常用于(yu)城市地下電(dian)(dian)(dian)(dian)網、發電(dian)(dian)(dian)(dian)站引出線路、工礦企(qi)業內部供電(dian)(dian)(dian)(dian)及過江海水下輸(shu)(shu)電(dian)(dian)(dian)(dian)線。在電(dian)(dian)(dian)(dian)力線路中,電(dian)(dian)(dian)(dian)纜(lan)(lan)所占比重(zhong)正逐漸(jian)增加。電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜(lan)(lan)是在電(dian)(dian)(dian)(dian)力系統的主干(gan)線路中用以傳輸(shu)(shu)和分配大功率電(dian)(dian)(dian)(dian)能的電(dian)(dian)(dian)(dian)纜(lan)(lan)產品。
電力(li)電纜
電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)是用于(yu)傳輸(shu)(shu)(shu)和分配(pei)(pei)電(dian)(dian)(dian)能(neng)(neng)的電(dian)(dian)(dian)纜(lan)(lan),電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)常用于(yu)城市地(di)下電(dian)(dian)(dian)網、發(fa)電(dian)(dian)(dian)站引出(chu)線(xian)路(lu)、工礦企(qi)業內部(bu)供電(dian)(dian)(dian)及過江(jiang)海水下輸(shu)(shu)(shu)電(dian)(dian)(dian)線(xian)。在(zai)電(dian)(dian)(dian)力線(xian)路(lu)中,電(dian)(dian)(dian)纜(lan)(lan)所占比重(zhong)正(zheng)逐漸增(zeng)加。電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)是在(zai)電(dian)(dian)(dian)力系統的主(zhu)干線(xian)路(lu)中用以(yi)(yi)傳輸(shu)(shu)(shu)和分配(pei)(pei)大功率電(dian)(dian)(dian)能(neng)(neng)的電(dian)(dian)(dian)纜(lan)(lan)產品,包括1-500KV以(yi)(yi)及以(yi)(yi)上各種電(dian)(dian)(dian)壓等級,各種絕緣的電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)。
中文名
電力電纜
基本簡介
電力電纜的使(shi)用(yong)至今已有百年
主(zhu)要分類(lei)
分(fen)類:按電壓(ya)等級分(fen)
簡介(jie):電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)使用(yong)至今已(yi)有(you)百余年(nian)(nian)(nian)歷史。1879年(nian)(nian)(nian),美國(guo)發(fa)(fa)明(ming)家T.A.愛迪(di)生在銅棒上包(bao)繞黃麻并將(jiang)其(qi)穿入鐵(tie)管內(nei),然后填(tian)充瀝青(qing)混(hun)合物制(zhi)(zhi)成電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)。他將(jiang)此電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)敷(fu)(fu)(fu)設于紐約(yue),開(kai)創了(le)地下輸電(dian)(dian)(dian)(dian)(dian)。次年(nian)(nian)(nian),英國(guo)人(ren)(ren)卡倫德(de)發(fa)(fa)明(ming)瀝青(qing)浸(jin)漬(zi)紙絕緣電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)。1889年(nian)(nian)(nian),英國(guo)人(ren)(ren)S.Z.費蘭梯在倫敦與(yu)德(de)特(te)福德(de)之間(jian)敷(fu)(fu)(fu)設了(le)10千(qian)(qian)伏油浸(jin)紙絕緣電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)。1908年(nian)(nian)(nian),英國(guo)建(jian)成20千(qian)(qian)伏電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)網。電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)得到越來越廣的(de)(de)應用(yong)。1911年(nian)(nian)(nian),德(de)國(guo)敷(fu)(fu)(fu)設成60千(qian)(qian)伏高壓(ya)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),開(kai)始了(le)高壓(ya)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)發(fa)(fa)展。1913年(nian)(nian)(nian),德(de)國(guo)人(ren)(ren)M.霍希施(shi)泰特(te)研(yan)制(zhi)(zhi)成分(fen)相屏蔽(bi)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),改(gai)善(shan)了(le)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)內(nei)部電(dian)(dian)(dian)(dian)(dian)場分(fen)布,消除了(le)絕緣表面的(de)(de)正切應力,成為電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)發(fa)(fa)展中的(de)(de)里程(cheng)碑。1952年(nian)(nian)(nian),瑞典在北部發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)廠(chang)敷(fu)(fu)(fu)設了(le)380千(qian)(qian)伏超高壓(ya)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),實現了(le)超高壓(ya)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)應用(yong)。到80年(nian)(nian)(nian)代(dai)已(yi)制(zhi)(zhi)成1100千(qian)(qian)伏、1200千(qian)(qian)伏的(de)(de)特(te)高壓(ya)電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)。
分類:按電壓等級分
按電(dian)(dian)(dian)壓等級可分(fen)為中、低(di)壓電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)(35千(qian)(qian)(qian)伏(fu)及以(yi)下(xia))、高壓電(dian)(dian)(dian)纜(lan)(lan)(110千(qian)(qian)(qian)伏(fu)以(yi)上(shang))、超高壓電(dian)(dian)(dian)纜(lan)(lan)(275~800千(qian)(qian)(qian)伏(fu))以(yi)及特(te)高壓電(dian)(dian)(dian)纜(lan)(lan)(1000千(qian)(qian)(qian)伏(fu)及以(yi)上(shang))。此(ci)外,還可按電(dian)(dian)(dian)流(liu)制(zhi)分(fen)為交流(liu)電(dian)(dian)(dian)纜(lan)(lan)和直流(liu)電(dian)(dian)(dian)纜(lan)(lan)。
按(an)絕緣材料分
1、油(you)浸紙絕(jue)緣(yuan)(yuan)電(dian)力電(dian)纜(lan)(lan)以油(you)浸紙作絕(jue)緣(yuan)(yuan)的電(dian)力電(dian)纜(lan)(lan)。其應(ying)用(yong)歷史最長(chang)。它(ta)安全(quan)可靠(kao),使(shi)(shi)用(yong)壽(shou)命長(chang),價格低廉。主要缺點是敷設受落差限制(zhi)。自從開發出不滴流浸紙絕(jue)緣(yuan)(yuan)后,解決(jue)了落差限制(zhi)問(wen)題,使(shi)(shi)油(you)浸紙絕(jue)緣(yuan)(yuan)電(dian)纜(lan)(lan)得以繼續廣泛(fan)應(ying)用(yong)。
2、塑料(liao)(liao)絕緣(yuan)電(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)纜 絕緣(yuan)層為擠壓(ya)塑料(liao)(liao)的電(dian)(dian)(dian)力(li)(li)電(dian)(dian)(dian)纜。常用(yong)的塑料(liao)(liao)有聚(ju)氯乙烯、聚(ju)乙烯、交聯聚(ju)乙烯。塑料(liao)(liao)電(dian)(dian)(dian)纜結(jie)構簡單(dan),制(zhi)(zhi)造加工方便(bian),重量輕,敷(fu)(fu)設安裝方便(bian),不受敷(fu)(fu)設落(luo)差限(xian)制(zhi)(zhi)。因此廣泛應用(yong)作中低壓(ya)電(dian)(dian)(dian)纜,并有取代(dai)粘性浸(jin)漬油紙電(dian)(dian)(dian)纜的趨(qu)勢。其(qi)最大(da)缺點是存在樹枝化擊穿現象,這限(xian)制(zhi)(zhi)了(le)它在更高電(dian)(dian)(dian)壓(ya)的使用(yong)。
3、橡皮(pi)絕(jue)(jue)緣電(dian)(dian)力(li)電(dian)(dian)纜 絕(jue)(jue)緣層為橡膠加上各(ge)種配合劑(ji),經(jing)過充分(fen)混煉后擠包在(zai)導電(dian)(dian)線芯上,經(jing)過加溫硫化而成(cheng)。它柔軟,富有(you)彈性,適(shi)合于移動頻(pin)繁(fan)、敷(fu)設(she)彎曲半徑小的(de)場(chang)合。
常用作(zuo)絕緣的膠料(liao)有天然(ran)膠-丁苯(ben)膠混合(he)物,乙丙膠、丁基膠等。
按電壓(ya)等級分
1、低壓(ya)電(dian)(dian)纜:適(shi)用于固定敷設在交流50Hz,額(e)定電(dian)(dian)壓(ya)3kv及以下(xia)的輸配(pei)電(dian)(dian)線路上(shang)作輸送電(dian)(dian)能(neng)用。
2、中(zhong)低壓電(dian)纜:(一般指(zhi)35KV及以下):聚(ju)(ju)氯乙(yi)烯絕(jue)緣(yuan)電(dian)纜,聚(ju)(ju)乙(yi)烯絕(jue)緣(yuan)電(dian)纜,交(jiao)聯聚(ju)(ju)乙(yi)烯絕(jue)緣(yuan)電(dian)纜等。
3、高壓(ya)電纜:(一般為110KV及(ji)以上):聚(ju)乙(yi)烯電纜和交聯(lian)聚(ju)乙(yi)烯絕緣電纜等。
4、超高(gao)壓電纜:(275~800千伏)。
5、特高壓電(dian)纜:(1000千(qian)伏(fu)及以上)。
基本(ben)結構:電力電纜的(de)基本(ben)結構由線芯(導體)、絕緣層、屏蔽層和保護層四部分組成。
1.線芯是電(dian)(dian)力(li)電(dian)(dian)纜的導電(dian)(dian)部分,用(yong)來輸送電(dian)(dian)能,是電(dian)(dian)力(li)電(dian)(dian)纜的主要(yao)部分。
2.絕緣層是將(jiang)線芯與大地以及不(bu)同相的線芯間在電(dian)氣上彼此隔離,保(bao)證電(dian)能輸送,是電(dian)力電(dian)纜結(jie)構中不(bu)可(ke)缺(que)少(shao)的組成部分(fen)。
3.15KV及以上(shang)的(de)電(dian)(dian)力電(dian)(dian)纜一般都有導體(ti)屏蔽(bi)層和(he)絕緣屏蔽(bi)層。
4.保護層的(de)(de)作(zuo)用是(shi)保護電力(li)電纜免受外界雜質和水(shui)分(fen)的(de)(de)侵入,以(yi)及防止外力(li)直(zhi)接損壞(huai)電力(li)電纜。
主要優點:
1占(zhan)地少(shao)。一(yi)般埋設(she)(she)于(yu)土壤中(zhong)或敷設(she)(she)于(yu)室內,溝道,隧道中(zhong),線間絕緣距離小,不用桿(gan)塔,占(zhan)地少(shao),基本(ben)不占(zhan)地面上空間。
2可靠性高。受氣候條件(jian)和周圍環境影響小,傳輸性能穩定,可靠性高。
3具有(you)向超高壓,大容(rong)量(liang)發展的更為有(you)利的條(tiao)件,如低溫,超導電(dian)力電(dian)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)
電力電纜的型號
1.用漢(han)語拼音第(di)一個字母的大寫表(biao)(biao)(biao)示(shi)絕緣種類、導(dao)體材(cai)料(liao)、內護層(ceng)材(cai)料(liao)和結構(gou)特點。如用Z代(dai)表(biao)(biao)(biao)紙(zhi);L代(dai)表(biao)(biao)(biao)鋁(lv);Q代(dai)表(biao)(biao)(biao)鉛(qian);F代(dai)表(biao)(biao)(biao)分(fen)相(fen);ZR代(dai)表(biao)(biao)(biao)阻燃(ran)(zuran);NH代(dai)表(biao)(biao)(biao)耐火(naihuo)。
2.用數字表(biao)(biao)示(shi)外(wai)護層(ceng)構(gou)成,有(you)二位(wei)(wei)數字。無數字代(dai)表(biao)(biao)無鎧(kai)裝層(ceng),無外(wai)被(bei)層(ceng)。第一位(wei)(wei)數字表(biao)(biao)示(shi)鎧(kai)裝,第二位(wei)(wei)數字表(biao)(biao)示(shi)外(wai)被(bei),如粗(cu)鋼絲鎧(kai)裝纖維外(wai)被(bei)表(biao)(biao)示(shi)為41。
3.電纜(lan)(lan)型號按電纜(lan)(lan)結構的排列一(yi)般依次序(xu)為(wei):絕(jue)緣材料;導(dao)體材料;內(nei)護(hu)層(ceng);外(wai)護(hu)層(ceng)。
4.電(dian)纜產品用(yong)型(xing)號、額定電(dian)壓和規格表示。其方法是在型(xing)號后再加上說明額定電(dian)壓、芯數(shu)和標(biao)稱(cheng)截面積的(de)。
型(xing)號(hao)詳細(xi)說明
(1)類別:H——市內通信電(dian)纜(lan)(lan)HP——配線電(dian)纜(lan)(lan)HJ——局(ju)用電(dian)纜(lan)(lan)
(2)絕緣(yuan)(yuan):Y——聚乙(yi)烯絕緣(yuan)(yuan)YF——泡沫(mo)聚烯烴(jing)絕緣(yuan)(yuan)YP——泡沫(mo)/實心皮聚烯烴(jing)絕緣(yuan)(yuan)
(3)內護(hu)層:A——涂塑(su)鋁帶(dai)粘(zhan)接屏(ping)蔽(bi)聚(ju)乙烯(xi)護(hu)套(tao)S——鋁,鋼雙層金屬帶(dai)屏(ping)蔽(bi)聚(ju)乙烯(xi)護(hu)套(tao) V——聚(ju)氯乙烯(xi)護(hu)套(tao)
(4)特征:T——石油膏填(tian)充(chong)G——高(gao)頻(pin)隔離C——自承式
(5)外護層(ceng):23——雙層(ceng)防腐鋼帶繞包銷裝聚乙烯外被層(ceng)
33——單層細鋼絲鎧(kai)裝聚乙烯被(bei)層
43——單層粗鋼絲鎧(kai)裝(zhuang)聚乙烯被層
53——單(dan)層鋼帶皺紋縱包鎧裝聚乙烯外被(bei)層
553——雙層鋼帶皺紋(wen)縱包鎧裝聚乙烯外被層
2) BV 銅芯(xin)聚(ju)氯乙烯絕緣電線;BLV 鋁芯(xin)聚(ju)氯乙烯絕緣電線;
BVV 銅芯聚(ju)氯乙(yi)(yi)烯(xi)絕(jue)緣(yuan)(yuan)聚(ju)氯乙(yi)(yi)烯(xi)護(hu)套電線(xian);BLVV 鋁(lv)芯聚(ju)氯乙(yi)(yi)烯(xi)絕(jue)緣(yuan)(yuan)聚(ju)氯乙(yi)(yi)烯(xi)護(hu)套電線(xian);
BVR 銅(tong)(tong)芯聚氯(lv)(lv)乙烯(xi)絕緣軟線;RV 銅(tong)(tong)芯聚氯(lv)(lv)乙烯(xi)絕緣安裝軟線;
RVB 銅芯聚氯(lv)乙烯絕緣平(ping)型連接線軟線;BVS 銅芯聚氯(lv)乙烯絕緣絞型軟線;
RVV 銅芯聚(ju)(ju)氯(lv)乙烯(xi)絕(jue)緣(yuan)聚(ju)(ju)氯(lv)乙烯(xi)護套(tao)軟線;BYR 聚(ju)(ju)乙烯(xi)絕(jue)緣(yuan)軟電線;
BYVR 聚(ju)乙烯絕緣聚(ju)氯乙烯護套軟線;RY 聚(ju)乙烯絕緣軟線;
RYV 聚(ju)乙(yi)烯絕(jue)緣(yuan)聚(ju)氯乙(yi)烯護(hu)套軟(ruan)線
3)WD:無鹵低煙型ZR: 阻燃(ran)型NH:耐火型DH:防火型
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全系產(chan)(chan)品(pin),20余種產(chan)(chan)品(pin)系列可供客(ke)戶(hu)選(xuan)擇,滿足(zu)(zu)不同領(ling)域使(shi)用需(xu)求,庫存充足(zu)(zu),現貨(huo)供應(ying)。
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凱鵬電(dian)纜為了(le)使(shi)用(yong)戶(hu)得到優質的服務(wu)(wu),將(jiang)在售(shou)前(qian)售(shou)中(zhong)售(shou)后(hou)進行各種服務(wu)(wu),力求(qiu)(qiu)讓用(yong)戶(hu)滿意。我們將(jiang)一絲不茍地(di)滿足(zu)客戶(hu)的合理要求(qiu)(qiu),提供(gong)的不僅是優質的產品(pin)和服務(wu)(wu),還用(yong)行動(dong)向(xiang)客戶(hu)倡(chang)導一種價值。
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應用特性:是由其電纜專用絕緣料和護套料決定的,我們稱之為交聯PE ,經過輻照加速器輻照以后,電纜料的分子結構會發生改變,從而提供其個方面的性能。抗機械載荷實際上...【詳情】
1、通用橡套軟電纜(MT818 1999、JB8735-1998)適用范圍:通用橡套軟電纜廣泛使用于各種電氣設備,例如日用電器、電機機械、電工裝置和器具的移動式...【詳情】
1、BTTZ電纜特點:這種電纜的全部材料都是采用無機材料,所以它就具有一些其他電纜所不可能具有的優點。如 防火、載流量大、耐機械損傷、無鹵無毒、防爆、防水、耐腐...【詳情】
1、電子計算機屏蔽電纜適用范圍:電子計算機屏蔽電纜主要用于各種自動化檢測設備,電子計算機信息處理控制系統、數字信號傳輸或模擬量信息的傳輸。2、電子計算機用——本...【詳情】