
電力講解:電力安裝中電纜施工的注意事項
電力講解(jie):電力安(an)裝(zhuang)中(zhong)電纜施工(gong)(gong)的(de)(de)注意(yi)事項(xiang)電力安(an)裝(zhuang)是民生工(gong)(gong)程之一,也是每個鄉村社區都不(bu)可(ke)少的(de)(de)施工(gong)(gong)項(xiang)目,然而,無(wu)論(lun)大(da)型或小(xiao)型工(gong)(gong)程施工(gong)(gong),其(qi)中(zhong)電纜問(wen)題都是施工(gong)(gong)中(zhong)核心(xin)的(de)(de)問(wen)題,而且電纜工(gong)(gong)程直接涉及到人身(shen)安(an)全問(wen)題,必須引起(qi)高度重視。
那么(me),電纜施工中(zhong)有(you)哪些注意事項呢?
1、電力電纜的轉(zhuan)彎引(yin)起的機械性(xing)損(sun)傷:
由于(yu)電(dian)力(li)電(dian)纜(lan)(lan)外徑較大,運輸、敷設比較困難,電(dian)力(li)電(dian)纜(lan)(lan)對(dui)轉彎半徑的(de)要(yao)求也比較嚴格,電(dian)纜(lan)(lan)施(shi)工(gong)過程中,要(yao)盡可能(neng)減(jian)少電(dian)纜(lan)(lan)受到的(de)扭力(li),在電(dian)纜(lan)(lan)轉彎和裕留電(dian)纜(lan)(lan)時,讓(rang)電(dian)纜(lan)(lan)處于(yu)自(zi)然彎曲(qu),杜絕內部機械損傷現象。
2、大電流電力(li)電纜引(yin)發的渦流
電力電纜(lan)(lan)在(zai)(zai)施工中(zhong),有(you)(you)采(cai)(cai)用(yong)鋼(gang)支(zhi)架的(de),有(you)(you)采(cai)(cai)用(yong)鋼(gang)質保護管(guan)的(de),有(you)(you)采(cai)(cai)用(yong)電纜(lan)(lan)卡與(yu)架空敷(fu)設的(de),凡是在(zai)(zai)電力電纜(lan)(lan)周(zhou)Χ形(xing)成鋼(gang)(鐵(tie))性閉合(he)回路(lu)(lu),均有(you)(you)可能形(xing)成渦流(liu),特(te)別是在(zai)(zai)大(da)電流(liu)電力電纜(lan)(lan)系(xi)統中(zhong),渦流(liu)更(geng)大(da),所(suo)以(yi)電力工程公司提醒(xing),在(zai)(zai)電力電纜(lan)(lan)施工時必須(xu)采(cai)(cai)取(qu)措(cuo)施,使(shi)電纜(lan)(lan)周(zhou)Χ不(bu)能形(xing)成鋼(gang)(鐵(tie))性閉合(he)回路(lu)(lu),防止電纜(lan)(lan)引起渦流(liu)現象發(fa)生。
3、注意電力纜防(fang)潮問題
據了解(jie),中(zhong)(zhong)、低壓電(dian)力電(dian)纜故(gu)障(zhang)大(da)部分是(shi)電(dian)纜中(zhong)(zhong)間(jian)接頭和終(zhong)(zhong)端(duan)頭故(gu)障(zhang),而中(zhong)(zhong)間(jian)接頭和終(zhong)(zhong)端(duan)頭故(gu)障(zhang)則大(da)部分是(shi)因密封不(bu)良,潮氣侵入(ru)而造(zao)成絕緣強度下(xia)降。而中(zhong)(zhong)、低壓電(dian)力電(dian)纜網多采用樹枝狀供(gong)電(dian)方式,電(dian)纜終(zhong)(zhong)端(duan)頭數量較多,因此把(ba)好電(dian)纜終(zhong)(zhong)端(duan)頭和中(zhong)(zhong)間(jian)接頭堵?密封關(guan)是(shi)保證電(dian)纜安全(quan)可靠(kao)運行(xing)的重(zhong)要措施之(zhi)一。
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