為(wei)什么有的電線是沒有絕(jue)緣皮包著(zhu)的?
作者: 發布時(shi)間:2023-03-30
可能(neng)大家會留意(yi)到有(you)(you)些電(dian)(dian)線(xian)(xian)(xian)是裸的(de)(de)!那(nei)么這樣(yang)的(de)(de)電(dian)(dian)線(xian)(xian)(xian)會發(fa)生觸電(dian)(dian)的(de)(de)現象(xiang)嗎?事(shi)實上(shang)“裸”高(gao)(gao)壓(ya)(ya)線(xian)(xian)(xian), 很常(chang)(chang)見,業(ye)內人(ren)(ren)士稱(cheng)之為(wei)(wei)“裸線(xian)(xian)(xian)”。但是既然(ran)有(you)(you)人(ren)(ren)問,我(wo)們(men)覺得有(you)(you)必(bi)要再解釋一遍。為(wei)(wei)什么有(you)(you)些高(gao)(gao)壓(ya)(ya)電(dian)(dian)線(xian)(xian)(xian)會“裸奔(ben)”。你要知道(dao)——絕緣皮(pi)(pi)之所(suo)以能(neng)絕緣,是因為(wei)(wei)制作(zuo)絕緣皮(pi)(pi)所(suo)用的(de)(de)材料能(neng)對(dui)電(dian)(dian)流形成很大的(de)(de)阻力(li)。直流電(dian)(dian)無法通(tong)過,所(suo)以不會傳導到人(ren)(ren)體。交流電(dian)(dian)通(tong)過絕緣材料時,會產生容性電(dian)(dian)流,由于(yu)通(tong)過的(de)(de)電(dian)(dian)荷(he)可以忽略不計(ji),所(suo)以通(tong)常(chang)(chang)被認為(wei)(wei)是不導電(dian)(dian)的(de)(de)。高(gao)(gao)壓(ya)(ya)線(xian)(xian)(xian)為(wei)(wei)什么可以裸?電(dian)(dian)線(xian)(xian)(xian)是否應該包扎與電(dian)(dian)壓(ya)(ya)水平密切(qie)相關(guan)。一般來說,10kV以上(shang)的(de)(de)高(gao)(gao)壓(ya)(ya)線(xian)(xian)(xian)是沒有(you)(you)絕緣皮(pi)(pi)的(de)(de)。原因如下:1.面對(dui)高(gao)(gao)壓(ya)(ya)電(dian)(dian)流,絕緣皮(pi)(pi)的(de)(de)作(zuo)用非(fei)常(chang)(chang)有(you)(you)限。當電(dian)(dian)壓(ya)(ya)在(zai)天氣或(huo)線(xian)(xian)(xian)路(lu)故障的(de)(de)影(ying)響(xiang)下突(tu)然(ran)升高(gao)(gao)時,破損...
電線(xian)是(shi)用(yong)硬(ying)線(xian)好還是(shi)軟(ruan)線(xian)要好呢?
作者: 發布時間:2023-03-30
裝(zhuang)(zhuang)修的(de)(de)時(shi)候一定要注意基(ji)本的(de)(de)水電裝(zhuang)(zhuang)修。如果基(ji)本裝(zhuang)(zhuang)修有問(wen)題,入住后對生活影響很(hen)(hen)大。所(suo)以(yi)在(zai)(zai)找安(an)裝(zhuang)(zhuang)師傅(fu)(fu)裝(zhuang)(zhuang)修之(zhi)前,一定要提前了解一些基(ji)本的(de)(de)裝(zhuang)(zhuang)修知識,以(yi)免被(bei)安(an)裝(zhuang)(zhuang)師傅(fu)(fu)忽悠(you)。我們(men)在(zai)(zai)逛建材(cai)市場的(de)(de)時(shi)候,買電線(xian)(xian)(xian)(xian)(xian)的(de)(de)時(shi)候很(hen)(hen)多老板都(dou)會問(wen)是(shi)(shi)(shi)用(yong)硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)還是(shi)(shi)(shi)軟線(xian)(xian)(xian)(xian)(xian)。很(hen)(hen)多人不知道(dao)兩者的(de)(de)區(qu)別。 1.電線(xian)(xian)(xian)(xian)(xian)中軟線(xian)(xian)(xian)(xian)(xian)和(he)硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)有什么(me)區(qu)別? 軟線(xian)(xian)(xian)(xian)(xian)和(he)硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)區(qu)別是(shi)(shi)(shi)硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)是(shi)(shi)(shi)單(dan)(dan)股粗線(xian)(xian)(xian)(xian)(xian),軟線(xian)(xian)(xian)(xian)(xian)是(shi)(shi)(shi)多股組成的(de)(de)線(xian)(xian)(xian)(xian)(xian)。 2.從價(jia)(jia)格(ge)上比(bi)較 如果從價(jia)(jia)格(ge)上來分(fen)析。多股軟線(xian)(xian)(xian)(xian)(xian)明顯(xian)費力,成本高,單(dan)(dan)股硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)相對便(bian)宜。 3.施工分(fen)析 單(dan)(dan)根硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)在(zai)(zai)接頭(tou)和(he)壓線(xian)(xian)(xian)(xian)(xian)位置容易出(chu)錯;但硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)抗拉強度很(hen)(hen)強。 多股軟線(xian)(xian)(xian)(xian)(xian),穿管(guan)時(shi)穿管(guan),這樣在(zai)(zai)散熱方(fang)面效果也不錯。 4.在(zai)(zai)使用(yong)方(fang)面, 多股軟線(xian)(xian)(xian)(xian)(xian)載(zai)流(liu)量大(但硬(ying)(ying)線(xian)(xian)(xian)(xian)(xian)在(zai)(zai)承受(shou)突加載(zai)荷...
線纜的制作流程
作(zuo)者: 發布時間:2023-03-30
線(xian)(xian)纜(lan)是(shi)光纜(lan)、電(dian)(dian)(dian)(dian)(dian)纜(lan)等物品的(de)(de)統稱。線(xian)(xian)纜(lan)的(de)(de)用途有很多,主要用于(yu)控(kong)制安裝(zhuang)、連接設(she)備(bei)、輸(shu)送(song)電(dian)(dian)(dian)(dian)(dian)力(li)等多重作用,是(shi)日常生(sheng)(sheng)(sheng)(sheng)活中常見而不可(ke)缺少的(de)(de)一種東西(xi)。由于(yu)電(dian)(dian)(dian)(dian)(dian)纜(lan)帶電(dian)(dian)(dian)(dian)(dian),所以安裝(zhuang)需要特別(bie)謹(jin)慎(shen)。一、電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)產品制造的(de)(de)工藝特性1.大長(chang)度連續疊加(jia)組(zu)合(he)生(sheng)(sheng)(sheng)(sheng)產方式大長(chang)度連續疊加(jia)組(zu)合(he)生(sheng)(sheng)(sheng)(sheng)產方式,對電(dian)(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)生(sheng)(sheng)(sheng)(sheng)產的(de)(de)影(ying)響是(shi)全(quan)局(ju)性和控(kong)制性的(de)(de),這涉及和影(ying)響到:(1)生(sheng)(sheng)(sheng)(sheng)產工藝流程和設(she)備(bei)布(bu)置生(sheng)(sheng)(sheng)(sheng)產車間的(de)(de)各種設(she)備(bei)必(bi)須(xu)按產品要求的(de)(de)工藝流程合(he)理(li)排放(fang),使各階段的(de)(de)半(ban)成品,順次(ci)流轉(zhuan)。設(she)備(bei)配置要考慮(lv)生(sheng)(sheng)(sheng)(sheng)產效率不同而進行(xing)生(sheng)(sheng)(sheng)(sheng)產能(neng)力(li)的(de)(de)平衡,有的(de)(de)設(she)備(bei)可(ke)能(neng)必(bi)須(xu)配置兩臺或多臺,才(cai)能(neng)使生(sheng)(sheng)(sheng)(sheng)產線(xian)(xian)的(de)(de)生(sheng)(sheng)(sheng)(sheng)產能(neng)力(li)得以平衡。從而設(she)備(bei)的(de)(de)合(he)理(li)選配組(zu)合(he)和生(sheng)(sheng)(sheng)(sheng)產場地(di)的(de)(de)布(bu)置,必(bi)須(xu)根據(ju)產品和生(sheng)(sheng)(sheng)(sheng)產量來平衡...