什么(me)是電(dian)力電(dian)纜(lan)?電(dian)力電(dian)纜(lan)有哪(na)些特征?
作者(zhe): 發(fa)布時間:2023-03-30
電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)是用(yong)于(yu)(yu)傳輸(shu)和分(fen)配電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)常(chang)用(yong)于(yu)(yu)城市地(di)(di)下(xia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網、發電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)站引出(chu)(chu)線路、工礦(kuang)企業內部供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)及過(guo)江海(hai)水(shui)下(xia)輸(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線。在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)線路中(zhong),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)所占比重(zhong)正(zheng)逐漸(jian)增加。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)是在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)系統(tong)的(de)(de)(de)主(zhu)干線路中(zhong)用(yong)以(yi)(yi)傳輸(shu)和分(fen)配大功率電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)產品,包括1-500KV以(yi)(yi)及以(yi)(yi)上(shang)各(ge)種(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓等級(ji),各(ge)種(zhong)絕緣的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)的(de)(de)(de)優點一、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)擁有占地(di)(di)更(geng)(geng)小的(de)(de)(de)優勢,傳統(tong)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)更(geng)(geng)多的(de)(de)(de)出(chu)(chu)現在地(di)(di)面(mian)上(shang),形成(cheng)了(le)蜘蛛網的(de)(de)(de)形式,很是影響我們的(de)(de)(de)生活,同時也不美觀。而(er)今(jin)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)更(geng)(geng)多的(de)(de)(de)埋于(yu)(yu)地(di)(di)下(xia),所以(yi)(yi)有效的(de)(de)(de)節(jie)省了(le)地(di)(di)面(mian)上(shang)的(de)(de)(de)空間,同時也更(geng)(geng)為美觀。二、可(ke)靠(kao)性(xing)(xing)越(yue)(yue)來越(yue)(yue)突(tu)(tu)出(chu)(chu),隨著市場激烈的(de)(de)(de)競爭,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)(lan)的(de)(de)(de)性(xing)(xing)能(neng)不斷(duan)突(tu)(tu)破,尤其是可(ke)靠(kao)性(xing)(xing)方(fang)面(mian)表現更(geng)(geng)為突(tu)(tu)出(chu)(chu),能(neng)夠應用(yong)不同...
什么是屏蔽(bi)電纜(屏蔽(bi)線)
作者: 發布(bu)時(shi)間:2023-03-30
什么是(shi)(shi)屏(ping)(ping)(ping)(ping)蔽(bi)(bi)線(xian)?導(dao)(dao)線(xian)外(wai)(wai)部有導(dao)(dao)體(ti)包(bao)裹的(de)導(dao)(dao)線(xian)叫“屏(ping)(ping)(ping)(ping)蔽(bi)(bi)線(xian)”屏(ping)(ping)(ping)(ping)蔽(bi)(bi)線(xian)是(shi)(shi)使用(yong)(yong)金屬(shu)網狀編織層(ceng)把信號線(xian)包(bao)裹起來(lai)的(de)傳輸線(xian),包(bao)裹的(de)導(dao)(dao)體(ti)叫屏(ping)(ping)(ping)(ping)蔽(bi)(bi)層(ceng),一般為(wei)編織銅網或銅泊(鋁),屏(ping)(ping)(ping)(ping)蔽(bi)(bi)層(ceng)需要(yao)接(jie)地,外(wai)(wai)來(lai)的(de)干(gan)擾信號可被該層(ceng)導(dao)(dao)入大地。屏(ping)(ping)(ping)(ping)蔽(bi)(bi)線(xian)是(shi)(shi)為(wei)減少外(wai)(wai)電磁場(chang)對電源(yuan)或通信線(xian)路的(de)影響而(er)(er)專門采用(yong)(yong)的(de)一種(zhong)帶金屬(shu)編織物外(wai)(wai)殼的(de)導(dao)(dao)線(xian),這種(zhong)屏(ping)(ping)(ping)(ping)蔽(bi)(bi)線(xian)也有防止線(xian)路向(xiang)外(wai)(wai)輻射(she)電磁能的(de)作用(yong)(yong)。屏(ping)(ping)(ping)(ping)蔽(bi)(bi)電纜的(de)屏(ping)(ping)(ping)(ping)蔽(bi)(bi)層(ceng)主要(yao)由銅、鋁等非磁性材(cai)料制成,并且厚度很(hen)薄(bo),遠小(xiao)于(yu)使用(yong)(yong)頻率(lv)上金屬(shu)材(cai)料的(de)集膚深度,屏(ping)(ping)(ping)(ping)蔽(bi)(bi)層(ceng)的(de)效果主要(yao)不(bu)是(shi)(shi)由于(yu)金屬(shu)體(ti)本身對電場(chang)、磁場(chang)的(de)反(fan)射(she)、吸收而(er)(er)產(chan)生的(de),而(er)(er)是(shi)(shi)由于(yu)屏(ping)(ping)(ping)(ping)蔽(bi)(bi)層(ceng)的(de)接(jie)地產(chan)生的(de),接(jie)地的(de)形式不(bu)同(tong)將直接(jie)影響屏(ping)(ping)(ping)(ping)蔽(bi)(bi)效果。對于(yu)電場(chang)、磁場(chang)屏(ping)(ping)(ping)(ping)蔽(bi)(bi)層(ceng)的(de)接(jie)地方式不(bu)同(tong)。可采用(yong)(yong)不(bu)接(jie)地...
交聯電纜和普通電纜的不同
作者: 發(fa)布(bu)時間:2023-03-30
交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)電(dian)(dian)纜(lan)(lan)通常(chang)是(shi)指電(dian)(dian)纜(lan)(lan)絕(jue)緣(yuan)層(ceng)使(shi)用(yong)(yong)交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)的(de)(de)(de)材(cai)料(liao)。最常(chang)用(yong)(yong)的(de)(de)(de)材(cai)料(liao)是(shi)交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)聚乙烯(xi)(XLPE )。接下來(lai),給大(da)家介紹(shao)一下“什(shen)(shen)么(me)(me)叫交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)電(dian)(dian)纜(lan)(lan),與普通電(dian)(dian)纜(lan)(lan)的(de)(de)(de)區別(bie)是(shi)什(shen)(shen)么(me)(me)。”一、什(shen)(shen)么(me)(me)是(shi)交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)電(dian)(dian)纜(lan)(lan)?交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)電(dian)(dian)纜(lan)(lan)是(shi)交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)聚乙烯(xi)絕(jue)緣(yuan)電(dian)(dian)纜(lan)(lan)的(de)(de)(de)簡(jian)稱,通常(chang)是(shi)指電(dian)(dian)纜(lan)(lan)絕(jue)緣(yuan)層(ceng)使(shi)用(yong)(yong)交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)的(de)(de)(de)材(cai)料(liao)。交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)電(dian)(dian)纜(lan)(lan)的(de)(de)(de)“交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)”是(shi)指電(dian)(dian)纜(lan)(lan)的(de)(de)(de)主絕(jue)緣(yuan)使(shi)用(yong)(yong)了交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)聚乙烯(xi)塑料(liao)。過程(cheng)是(shi)將線(xian)狀分子結(jie)(jie)構(gou)的(de)(de)(de)聚乙烯(xi)(PE )材(cai)料(liao)通過特定的(de)(de)(de)加工方式(shi)制(zhi)成立體型(xing)網(wang)狀分線(xian)結(jie)(jie)構(gou)的(de)(de)(de)交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)聚乙烯(xi)。通過將長期允許工作溫度從70提(ti)(ti)高(gao)(gao)到(dao)90以上,將短路允許溫度溫度由140℃提(ti)(ti)高(gao)(gao)到(dao)250℃(或更高(gao)(gao)),在維(wei)持原有優異(yi)電(dian)(dian)氣性能(neng)的(de)(de)(de)同時,大(da)幅提(ti)(ti)高(gao)(gao)了實(shi)用(yong)(yong)性能(neng)。交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)電(dian)(dian)纜(lan)(lan)有許多交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)方法。常(chang)用(yong)(yong)的(de)(de)(de)交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)方法有過氧化物化學、硅(gui)烷交(jiao)(jiao)(jiao)聯(lian)(lian)(lian)(lian)...