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電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜是(shi)用(yong)于傳(chuan)輸(shu)和分配(pei)電(dian)(dian)(dian)(dian)能(neng)的電(dian)(dian)(dian)(dian)纜,電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜常(chang)用(yong)于城(cheng)市地下電(dian)(dian)(dian)(dian)網、發電(dian)(dian)(dian)(dian)站(zhan)引出線(xian)(xian)路(lu)、工礦企業內部供(gong)電(dian)(dian)(dian)(dian)及過江海水下輸(shu)電(dian)(dian)(dian)(dian)線(xian)(xian)。在(zai)(zai)電(dian)(dian)(dian)(dian)力線(xian)(xian)路(lu)中(zhong),電(dian)(dian)(dian)(dian)纜所(suo)占比(bi)重正逐漸增加。電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)纜是(shi)在(zai)(zai)電(dian)(dian)(dian)(dian)力系統的主干線(xian)(xian)路(lu)中(zhong)用(yong)以傳(chuan)輸(shu)和分配(pei)大(da)功率電(dian)(dian)(dian)(dian)能(neng)的電(dian)(dian)(dian)(dian)纜產品。
電力(li)電纜
電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)是用(yong)于(yu)(yu)傳(chuan)輸(shu)(shu)和(he)分(fen)配電(dian)(dian)(dian)能的電(dian)(dian)(dian)纜(lan)(lan),電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)常用(yong)于(yu)(yu)城市地下(xia)電(dian)(dian)(dian)網、發電(dian)(dian)(dian)站引出線(xian)路(lu)、工礦企業內部(bu)供電(dian)(dian)(dian)及(ji)過(guo)江海水下(xia)輸(shu)(shu)電(dian)(dian)(dian)線(xian)。在電(dian)(dian)(dian)力(li)線(xian)路(lu)中(zhong),電(dian)(dian)(dian)纜(lan)(lan)所占比(bi)重正(zheng)逐漸增加(jia)。電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)是在電(dian)(dian)(dian)力(li)系統的主(zhu)干線(xian)路(lu)中(zhong)用(yong)以(yi)傳(chuan)輸(shu)(shu)和(he)分(fen)配大(da)功率電(dian)(dian)(dian)能的電(dian)(dian)(dian)纜(lan)(lan)產品,包括1-500KV以(yi)及(ji)以(yi)上各種電(dian)(dian)(dian)壓等級,各種絕緣的電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)。
中文名
電力電纜
基本簡介
電力電纜的使用至今已(yi)有百年(nian)
主要(yao)分(fen)類
分類:按電(dian)壓等級分
簡介:電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)使(shi)用至今已(yi)有(you)百余年(nian)(nian)(nian)歷史(shi)。1879年(nian)(nian)(nian),美(mei)國(guo)(guo)發(fa)(fa)明(ming)家(jia)T.A.愛迪生(sheng)在(zai)銅棒上包繞黃(huang)麻并將(jiang)其穿入鐵管(guan)內,然(ran)后填充瀝青混合(he)物(wu)制成電(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)設于紐約,開創了(le)地下輸電(dian)(dian)(dian)(dian)(dian)。次年(nian)(nian)(nian),英國(guo)(guo)人卡(ka)倫(lun)德(de)(de)(de)發(fa)(fa)明(ming)瀝青浸(jin)漬紙(zhi)絕(jue)(jue)緣(yuan)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)(guo)人S.Z.費(fei)蘭梯在(zai)倫(lun)敦(dun)與德(de)(de)(de)特(te)福德(de)(de)(de)之間敷(fu)設了(le)10千伏油浸(jin)紙(zhi)絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)。1908年(nian)(nian)(nian),英國(guo)(guo)建成20千伏電(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(dao)越來越廣的(de)(de)應用。1911年(nian)(nian)(nian),德(de)(de)(de)國(guo)(guo)敷(fu)設成60千伏高(gao)壓(ya)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),開始了(le)高(gao)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)(de)(de)國(guo)(guo)人M.霍希(xi)施泰特(te)研制成分(fen)相屏蔽電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),改善了(le)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)內部電(dian)(dian)(dian)(dian)(dian)場分(fen)布(bu),消除了(le)絕(jue)(jue)緣(yuan)表面的(de)(de)正切(qie)應力,成為(wei)電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)發(fa)(fa)展中(zhong)的(de)(de)里程碑。1952年(nian)(nian)(nian),瑞典在(zai)北部發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)廠敷(fu)設了(le)380千伏超(chao)高(gao)壓(ya)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),實現了(le)超(chao)高(gao)壓(ya)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)應用。到(dao)80年(nian)(nian)(nian)代(dai)已(yi)制成1100千伏、1200千伏的(de)(de)特(te)高(gao)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(an)電(dian)(dian)壓(ya)(ya)等級可分(fen)為中、低壓(ya)(ya)電(dian)(dian)力電(dian)(dian)纜(lan)(lan)(35千伏及(ji)以(yi)(yi)下(xia))、高(gao)壓(ya)(ya)電(dian)(dian)纜(lan)(lan)(110千伏以(yi)(yi)上)、超(chao)高(gao)壓(ya)(ya)電(dian)(dian)纜(lan)(lan)(275~800千伏)以(yi)(yi)及(ji)特高(gao)壓(ya)(ya)電(dian)(dian)纜(lan)(lan)(1000千伏及(ji)以(yi)(yi)上)。此外(wai),還可按(an)電(dian)(dian)流制分(fen)為交流電(dian)(dian)纜(lan)(lan)和直流電(dian)(dian)纜(lan)(lan)。
按絕緣材料分
1、油(you)浸(jin)紙(zhi)絕(jue)(jue)緣電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜以油(you)浸(jin)紙(zhi)作絕(jue)(jue)緣的(de)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜。其應(ying)用(yong)歷史(shi)最(zui)長。它安(an)全可靠(kao),使用(yong)壽(shou)命長,價格(ge)低廉。主(zhu)要缺點(dian)是敷設受(shou)落(luo)差(cha)(cha)限制。自從開發出不(bu)滴流浸(jin)紙(zhi)絕(jue)(jue)緣后,解決(jue)了落(luo)差(cha)(cha)限制問題,使油(you)浸(jin)紙(zhi)絕(jue)(jue)緣電(dian)(dian)(dian)(dian)纜得(de)以繼(ji)續廣泛應(ying)用(yong)。
2、塑料(liao)絕(jue)緣電(dian)(dian)力電(dian)(dian)纜(lan) 絕(jue)緣層(ceng)為擠(ji)壓塑料(liao)的(de)電(dian)(dian)力電(dian)(dian)纜(lan)。常用(yong)的(de)塑料(liao)有聚(ju)氯乙烯(xi)、聚(ju)乙烯(xi)、交聯聚(ju)乙烯(xi)。塑料(liao)電(dian)(dian)纜(lan)結(jie)構(gou)簡單,制(zhi)造(zao)加工方便(bian),重量輕(qing),敷設安(an)裝方便(bian),不受敷設落差限制(zhi)。因此廣泛應用(yong)作中低壓電(dian)(dian)纜(lan),并有取代(dai)粘性浸漬油紙電(dian)(dian)纜(lan)的(de)趨勢(shi)。其(qi)最(zui)大缺點是存在(zai)樹枝(zhi)化擊穿現象,這(zhe)限制(zhi)了它在(zai)更(geng)高電(dian)(dian)壓的(de)使用(yong)。
3、橡皮絕緣電力電纜 絕緣層為(wei)橡膠加(jia)上(shang)各種配(pei)合劑,經過充(chong)分混煉后擠包在導電線芯(xin)上(shang),經過加(jia)溫(wen)硫化而成。它(ta)柔軟,富有(you)彈性,適合于移動頻(pin)繁、敷設彎(wan)曲半徑小的(de)場合。
常用作絕緣的(de)膠料有天然膠-丁苯膠混合物(wu),乙丙膠、丁基膠等(deng)。
按電壓等級(ji)分
1、低壓電(dian)纜:適用于固(gu)定(ding)敷(fu)設在交流50Hz,額定(ding)電(dian)壓3kv及以下的輸配電(dian)線路上作輸送電(dian)能用。
2、中低壓(ya)電(dian)纜:(一般指(zhi)35KV及(ji)以(yi)下):聚(ju)氯(lv)乙烯(xi)(xi)絕(jue)緣電(dian)纜,聚(ju)乙烯(xi)(xi)絕(jue)緣電(dian)纜,交聯聚(ju)乙烯(xi)(xi)絕(jue)緣電(dian)纜等。
3、高壓電(dian)(dian)纜(lan):(一般為110KV及(ji)以上):聚(ju)乙烯電(dian)(dian)纜(lan)和交(jiao)聯聚(ju)乙烯絕(jue)緣(yuan)電(dian)(dian)纜(lan)等。
4、超高壓(ya)電纜:(275~800千(qian)伏)。
5、特(te)高壓(ya)電纜:(1000千伏及(ji)以上(shang))。
基(ji)本結構:電力電纜(lan)的基(ji)本結構由線芯(導體)、絕緣層、屏蔽層和保護層四部(bu)分(fen)組(zu)成。
1.線芯是電(dian)(dian)(dian)力電(dian)(dian)(dian)纜的導電(dian)(dian)(dian)部(bu)分,用來(lai)輸(shu)送(song)電(dian)(dian)(dian)能,是電(dian)(dian)(dian)力電(dian)(dian)(dian)纜的主(zhu)要部(bu)分。
2.絕緣層是將線芯(xin)與(yu)大地(di)以及不同相的線芯(xin)間(jian)在電(dian)氣上(shang)彼此(ci)隔(ge)離(li),保(bao)證電(dian)能(neng)輸送,是電(dian)力電(dian)纜(lan)結構中不可缺(que)少的組成部分。
3.15KV及以(yi)上的電(dian)力電(dian)纜(lan)一般都有(you)導體屏蔽(bi)層和(he)絕(jue)緣(yuan)屏蔽(bi)層。
4.保護層(ceng)的(de)作用是保護電(dian)力(li)(li)電(dian)纜免受(shou)外(wai)界(jie)雜質和水(shui)分的(de)侵入,以及(ji)防止外(wai)力(li)(li)直接(jie)損壞電(dian)力(li)(li)電(dian)纜。
主要優點:
1占地少。一(yi)般埋設于(yu)土(tu)壤中或敷設于(yu)室內,溝道(dao),隧道(dao)中,線間(jian)絕(jue)緣(yuan)距(ju)離小,不用桿塔(ta),占地少,基(ji)本(ben)不占地面上空間(jian)。
2可(ke)靠性(xing)高。受氣候條件(jian)和周圍環(huan)境影響小,傳輸性(xing)能穩定,可(ke)靠性(xing)高。
3具有向超高壓,大容量發(fa)展的更為(wei)有利的條件(jian),如低溫,超導(dao)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(hao)說明
電力電纜的型號(hao)
1.用(yong)漢語拼音第一(yi)個字母(mu)的(de)大寫表(biao)(biao)(biao)示絕緣種類、導體材料、內護層材料和結(jie)構特點。如用(yong)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)(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(huo)(naihuo)。
2.用數(shu)(shu)(shu)(shu)字(zi)表(biao)(biao)示(shi)外(wai)(wai)護層(ceng)(ceng)構成,有(you)二位數(shu)(shu)(shu)(shu)字(zi)。無(wu)數(shu)(shu)(shu)(shu)字(zi)代表(biao)(biao)無(wu)鎧裝(zhuang)層(ceng)(ceng),無(wu)外(wai)(wai)被層(ceng)(ceng)。第一位數(shu)(shu)(shu)(shu)字(zi)表(biao)(biao)示(shi)鎧裝(zhuang),第二位數(shu)(shu)(shu)(shu)字(zi)表(biao)(biao)示(shi)外(wai)(wai)被,如粗鋼絲(si)鎧裝(zhuang)纖維外(wai)(wai)被表(biao)(biao)示(shi)為41。
3.電纜(lan)型號按(an)電纜(lan)結構的(de)排列一(yi)般依次序為(wei):絕緣材(cai)料;導體材(cai)料;內護層;外護層。
4.電纜(lan)產品用型號、額定(ding)電壓和規格(ge)表示。其方法是在型號后再加上(shang)說明額定(ding)電壓、芯數和標(biao)稱截面(mian)積的(de)。
型(xing)號(hao)詳(xiang)細(xi)說明(ming)
(1)類(lei)別:H——市內(nei)通信電纜HP——配線電纜HJ——局用電纜
(2)絕緣(yuan)(yuan):Y——聚乙烯(xi)絕緣(yuan)(yuan)YF——泡沫(mo)聚烯(xi)烴(jing)絕緣(yuan)(yuan)YP——泡沫(mo)/實心皮聚烯(xi)烴(jing)絕緣(yuan)(yuan)
(3)內護層:A——涂塑鋁(lv)帶(dai)(dai)粘接屏蔽聚乙(yi)烯護套S——鋁(lv),鋼雙層金(jin)屬帶(dai)(dai)屏蔽聚乙(yi)烯護套 V——聚氯乙(yi)烯護套
(4)特征:T——石油(you)膏(gao)填充G——高頻隔離C——自(zi)承式
(5)外護層:23——雙層防腐(fu)鋼帶繞包銷裝聚乙烯(xi)外被(bei)層
33——單層(ceng)細鋼絲(si)鎧裝(zhuang)聚乙(yi)烯被層(ceng)
43——單層粗(cu)鋼絲鎧裝聚乙烯(xi)被(bei)層
53——單層鋼帶(dai)皺紋縱包鎧裝聚乙烯外被層
553——雙層(ceng)鋼帶皺紋縱包鎧裝聚(ju)乙烯外(wai)被層(ceng)
2) BV 銅芯聚氯乙烯絕緣電(dian)線(xian);BLV 鋁芯聚氯乙烯絕緣電(dian)線(xian);
BVV 銅芯聚氯(lv)乙(yi)烯(xi)絕(jue)(jue)緣(yuan)聚氯(lv)乙(yi)烯(xi)護套(tao)電線;BLVV 鋁芯聚氯(lv)乙(yi)烯(xi)絕(jue)(jue)緣(yuan)聚氯(lv)乙(yi)烯(xi)護套(tao)電線;
BVR 銅芯聚(ju)氯乙(yi)烯絕(jue)緣軟(ruan)線;RV 銅芯聚(ju)氯乙(yi)烯絕(jue)緣安裝軟(ruan)線;
RVB 銅(tong)芯聚氯(lv)乙(yi)烯絕緣平型(xing)連接線軟線;BVS 銅(tong)芯聚氯(lv)乙(yi)烯絕緣絞型(xing)軟線;
RVV 銅芯聚(ju)氯(lv)乙烯(xi)絕(jue)緣聚(ju)氯(lv)乙烯(xi)護套軟線(xian);BYR 聚(ju)乙烯(xi)絕(jue)緣軟電線(xian);
BYVR 聚乙烯絕緣聚氯(lv)乙烯護套軟線;RY 聚乙烯絕緣軟線;
RYV 聚乙烯(xi)絕緣聚氯乙烯(xi)護套軟線
3)WD:無鹵低(di)煙型(xing)ZR: 阻燃型(xing)NH:耐火型(xing)DH:防(fang)火型(xing)
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凱(kai)鵬電纜(lan)為了使用戶得到優質的(de)服(fu)(fu)務(wu),將在售(shou)(shou)前售(shou)(shou)中售(shou)(shou)后進行各種服(fu)(fu)務(wu),力求(qiu)讓用戶滿意。我們將一絲不(bu)茍地滿足(zu)客戶的(de)合理要求(qiu),提供的(de)不(bu)僅是優質的(de)產品和(he)服(fu)(fu)務(wu),還用行動向客戶倡導一種價值。
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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】