UL3635-UL1673-UL1691

UL3635-UL1673-UL1691。

伴隨著(zhu)電(dian)(dian)線(xian)(xian)電(dian)(dian)纜(lan)在配(pei)網中的(de)持續營(ying)銷推(tui)廣與(yu)應(ying)(ying)用，配(pei)網可分(fen)成電(dian)(dian)纜(lan)線(xian)(xian)互(hu)(hu)聯(lian)(lian)網和空架互(hu)(hu)聯(lian)(lian)網（含空架、電(dian)(dian)纜(lan)線(xian)(xian)混和互(hu)(hu)聯(lian)(lian)網）。《關于〈城(cheng)市中低(di)壓配(pei)電(dian)(dian)網改造技(ji)術(shu)導則〉的(de)實施情況及補充意見》也對電(dian)(dian)纜(lan)線(xian)(xian)配(pei)電(dian)(dian)設(she)(she)備(bei)互(hu)(hu)聯(lian)(lian)網自(zi)動化(hua)技(ji)術(shu)明確提出了實際規(gui)定(ding)。因(yin)而，在配(pei)網地區互(hu)(hu)聯(lian)(lian)網選用電(dian)(dian)纜(lan)線(xian)(xian)互(hu)(hu)聯(lian)(lian)網時，應(ying)(ying)依照配(pei)電(dian)(dian)自(zi)動化(hua)的(de)規(gui)定(ding)，選用新(xin)技(ji)術(shu)應(ying)(ying)用、新(xin)機器設(she)(she)備(bei)，有標準(zhun)的(de)要(yao)(yao)考慮(lv)到(dao)自(zi)動化(hua)技(ji)術(shu)試(shi)點，標準(zhun)不成熟的(de)還要(yao)(yao)在配(pei)套設(she)(she)施機器設(she)(she)備(bei)型號選擇(ze)時，考慮(lv)到(dao)有充足空間，為(wei)完成自(zi)動化(hua)技(ji)術(shu)計(ji)劃(hua)方案奠(dian)定(ding)基礎(chu)。

電(dian)(dian)纜(lan)線(xian)(xian)(xian)(xian)(xian)截(jie)面(mian)的(de)(de)(de)(de)挑選，關(guan)聯到項目投資是多(duo)少(shao)、路線(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)(de)耗(hao)損(sun)和工(gong)(gong)(gong)作(zuo)電(dian)(dian)壓品(pin)質(zhi)(zhi)、電(dian)(dian)纜(lan)線(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)(de)使(shi)用期等。如采用截(jie)面(mian)偏小，會(hui)造(zao)成 工(gong)(gong)(gong)作(zuo)電(dian)(dian)壓品(pin)質(zhi)(zhi)降低(di)(di)、路線(xian)(xian)(xian)(xian)(xian)耗(hao)損(sun)過大，則會(hui)使(shi)前期項目投資太高(gao)。因而應(ying)依(yi)據負載(zai)(zai)(zai)預測分(fen)析結(jie)果，建設規(gui)劃(hua)，挑選適合的(de)(de)(de)(de)截(jie)面(mian)，使(shi)電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)電(dian)(dian)纜(lan)考(kao)慮(lv)工(gong)(gong)(gong)作(zuo)中電(dian)(dian)流(liu)量下(xia)的(de)(de)(de)(de)纜(lan)芯溫(wen)度規(gui)定(ding)和電(dian)(dian)流(liu)規(gui)定(ding)，短(duan)路容量功效下(xia)的(de)(de)(de)(de)熱平穩規(gui)定(ding)。因為(wei)負載(zai)(zai)(zai)預測分(fen)析工(gong)(gong)(gong)作(zuo)執行(xing)力性(xing)(xing)強、性(xing)(xing)較(jiao)低(di)(di)，因而，挑選電(dian)(dian)纜(lan)線(xian)(xian)(xian)(xian)(xian)截(jie)面(mian)時，也要(yao)考(kao)慮(lv)《城(cheng)市中低(di)(di)壓配電(dian)(dian)網(wang)改造(zao)技(ji)術導(dao)則》和《城(cheng)市電(dian)(dian)力網(wang)規(gui)劃(hua)導(dao)則》規(gui)定(ding)。在(zai)三(san)相(xiang)四線(xian)(xian)(xian)(xian)(xian)制底壓電(dian)(dian)力網(wang)采用電(dian)(dian)線(xian)(xian)(xian)(xian)(xian)電(dian)(dian)纜(lan)時，也要(yao)考(kao)慮(lv)到零線(xian)(xian)(xian)(xian)(xian)截(jie)面(mian)的(de)(de)(de)(de)挑選，在(zai)公共底壓互聯網(wang)中，因為(wei)受客戶要(yao)素危害很大，三(san)相(xiang)負載(zai)(zai)(zai)均衡無法操縱，為(wei)改進工(gong)(gong)(gong)作(zuo)電(dian)(dian)壓品(pin)質(zhi)(zhi)，減少(shao)線(xian)(xian)(xian)(xian)(xian)損(sun)，零線(xian)(xian)(xian)(xian)(xian)截(jie)面(mian)應(ying)與相(xiang)線(xian)(xian)(xian)(xian)(xian)截(jie)面(mian)同樣。

UL3635-UL1673-UL1691。

電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)線(xian)的(de)(de)(de)敷設方(fang)(fang)式(shi)有(you)下列幾類:直埋鋪(pu)設、穿線(xian)管鋪(pu)設、淺槽鋪(pu)設、纜(lan)(lan)(lan)(lan)溝(gou)鋪(pu)設、電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)線(xian)隧道(dao)施(shi)(shi)(shi)工(gong)鋪(pu)設、空架(jia)鋪(pu)設幾類方(fang)(fang)法都是有(you)優(you)點(dian)(dian)(dian)和(he)(he)(he)缺點(dian)(dian)(dian)，一(yi)般要(yao)(yao)考(kao)慮(lv)(lv)到(dao)大(da)城(cheng)市建(jian)(jian)(jian)設規(gui)劃(hua)，目(mu)前(qian)房屋建(jian)(jian)(jian)筑(zhu)的(de)(de)(de)相對(dui)密度電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)線(xian)路(lu)線(xian)長短鋪(pu)設總(zong)數(shu)以及周邊環境的(de)(de)(de)危害等。在(zai)技(ji)術上較為，電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)線(xian)隧道(dao)施(shi)(shi)(shi)工(gong)方(fang)(fang)法和(he)(he)(he)纜(lan)(lan)(lan)(lan)溝(gou)敷設方(fang)(fang)式(shi)有(you)利于電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)線(xian)的(de)(de)(de)工(gong)程施(shi)(shi)(shi)工(gong)、維(wei)(wei)護(hu)保養(yang)和(he)(he)(he)維(wei)(wei)修。在(zai)一(yi)些(xie)資(zi)本(ben)主義***城(cheng)市中，城(cheng)市規(gui)劃(hua)建(jian)(jian)(jian)設基(ji)本(ben)建(jian)(jian)(jian)設時，已考(kao)慮(lv)(lv)到(dao)公共隧道(dao)施(shi)(shi)(shi)工(gong)。實踐(jian)經驗(yan)公共隧道(dao)施(shi)(shi)(shi)工(gong)運(yun)作實際(ji)效果(guo)優(you)良，大(da)幅度降低了反(fan)復項(xiang)目(mu)投(tou)資(zi)頻次(ci)和(he)(he)(he)不斷基(ji)坑開挖地面的(de)(de)(de)狀況(kuang)，但前(qian)期(qi)項(xiang)目(mu)投(tou)資(zi)，建(jian)(jian)(jian)筑(zhu)裝飾材料(liao)斥資(zi)金，在(zai)中國，因為多(duo)種要(yao)(yao)素(su)的(de)(de)(de)限定，這類敷設方(fang)(fang)式(shi)是非(fei)常少的(de)(de)(de)。相比而(er)言，直埋鋪(pu)設和(he)(he)(he)淺槽鋪(pu)設則是歸屬于經濟實用(yong)的(de)(de)(de)敷設方(fang)(fang)式(shi)，直埋電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)是經濟發展(zhan)(zhan)而(er)普遍(bian)系用(yong)電(dian)(dian)(dian)量敷設方(fang)(fang)式(shi)，它應(ying)用(yong)于近郊區和(he)(he)(he)機動車行駛不太(tai)經常的(de)(de)(de)地區。但不利電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)線(xian)的(de)(de)(de)維(wei)(wei)護(hu)保養(yang)和(he)(he)(he)維(wei)(wei)修，一(yi)旦碰(peng)到(dao)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)故(gu)(gu)障，即便應(ying)用(yong)檢測儀測到(dao)常見故(gu)(gu)障點(dian)(dian)(dian)，還要(yao)(yao)再次(ci)刨(bao)開纜(lan)(lan)(lan)(lan)溝(gou)，極不方(fang)(fang)便。因而(er)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)敷設方(fang)(fang)法的(de)(de)(de)挑選，要(yao)(yao)聯系實際(ji)狀況(kuang)，依(yi)據(ju)工(gong)程項(xiang)目(mu)標(biao)準、自(zi)然(ran)環境特(te)性、電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)型號和(he)(he)(he)總(zong)數(shu)等要(yao)(yao)素(su)，用(yong)發展(zhan)(zhan)趨(qu)勢(shi)的(de)(de)(de)目(mu)光，依(yi)照考(kao)慮(lv)(lv)運(yun)作可信性、有(you)利于維(wei)(wei)護(hu)保養(yang)的(de)(de)(de)規(gui)定和(he)(he)(he)安(an)全(quan)工(gong)程有(you)效的(de)(de)(de)標(biao)準明確(que)。

常見(jian)的電(dian)線(xian)(xian)(xian)(xian)電(dian)纜(lan)(lan)有(you)機油(you)浸(jin)電(dian)纜(lan)(lan)線(xian)(xian)(xian)(xian)、聚(ju)乙(yi)烯(xi)絕緣電(dian)纜(lan)(lan)、高密度聚(ju)乙(yi)烯(xi)電(dian)纜(lan)(lan)線(xian)(xian)(xian)(xian)等(deng)，依(yi)據應用場所的不(bu)(bu)一(yi)樣，又拓寬為不(bu)(bu)一(yi)樣類型(xing)的電(dian)線(xian)(xian)(xian)(xian)電(dian)纜(lan)(lan)。現階段，伴隨著(zhu)生產工藝(yi)和(he)(he)生產工藝(yi)流程(cheng)的持續(xu)提升，高密度聚(ju)乙(yi)烯(xi)電(dian)纜(lan)(lan)線(xian)(xian)(xian)(xian)已變(bian)成應用較廣(guang)的電(dian)纜(lan)(lan)線(xian)(xian)(xian)(xian)商(shang)品(pin)，在電(dian)纜(lan)(lan)選型(xing)時(shi)，應依(yi)據應用的不(bu)(bu)一(yi)樣自然環境和(he)(he)標準，融合詳細情況(kuang)開展挑選，盡量避(bi)免穿越重生各(ge)種各(ge)樣管邊鐵(tie)路線(xian)(xian)(xian)(xian)，道(dao)路和(he)(he)通訊電(dian)纜(lan)(lan);如選用直埋和(he)(he)淺槽敷(fu)設方式(shi)時(shi)，應考慮(lv)到應用加鋼鎧的電(dian)纜(lan)(lan)線(xian)(xian)(xian)(xian)。

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