JL/G1A國標電線電纜LGJ300/40

  JL/G1A國標電線電纜LGJ300/40  ：  鋼芯鋁銅絞(jiao)合線(xian)(xian)（JL/G1A與LGJ）其他(ta)是(shi)用多股鋁單線(xian)(xian)按照絞(jiao)合模(mo)式纏(chan)在(zai)鋼線(xian)(xian)四(si)周；鋼芯最大部分的起(qi)增(zeng)長拉(la)力比強度的影響(xiang)，鋁線(xian)(xian)最大部分的起(qi)傳到電量的影響(xiang)。

鋼(gang)芯鋁銅編(bian)織線的(de)主要參數有：JL/G1A、JL/G1B、JL/G2A、JL/G2B、JL/G3A

 中僅：   G1A 與(yu)G1B  指的(de)是普通型程度鋼線。

  ;        G2A與G2B  指的(de)是(shi)高防度(du)鋼(gang)線。

          G3A  ;指的(de)是特高韌(ren)性度鋼(gang)線。  JL/G1A國標電線電纜LGJ300/40

型號異同：以JL/G1A 240/30鋼管芯(xin)鋁(lv)銅絞(jiao)(jiao)合(he)(he)線(xian)(xian)(xian)(xian)概(gai)述，在各(ge)(ge)國基(ji)準(zhun)化(hua)下載(zai)（GB/T1179-2008）中以JL/G1A240/30表(biao)明；在各(ge)(ge)國基(ji)準(zhun)化(hua)下載(zai)（GB/T1179-1983）中以LGJ 240/30表(biao)明；因2006年各(ge)(ge)國實行(xing)了新(xin)(xin)(xin)的(de)(de)(de)鋼芯(xin)鋁(lv)銅絞(jiao)(jiao)合(he)(he)線(xian)(xian)(xian)(xian)基(ji)準(zhun)化(hua)GB/T1179-2008基(ji)準(zhun)化(hua)但是當下都(dou)以JL/G1A240/30來表(biao)明。鋼芯(xin)鋁(lv)銅絞(jiao)(jiao)合(he)(he)線(xian)(xian)(xian)(xian)主(zhu)要(yao)是使用于中壓力的(de)(de)(de)變(bian)電(dian)(dian)新(xin)(xin)(xin)的(de)(de)(de)火(huo)(huo)(huo)車各(ge)(ge)輸電(dian)(dian)錢(qian)(qian)路，致使新(xin)(xin)(xin)的(de)(de)(de)火(huo)(huo)(huo)車各(ge)(ge)輸電(dian)(dian)錢(qian)(qian)路的(de)(de)(de)途(tu)徑有限制又沒有在一(yi)款(kuan)路途(tu)中架(jia)線(xian)(xian)(xian)(xian)條(tiao)(tiao)新(xin)(xin)(xin)的(de)(de)(de)火(huo)(huo)(huo)車各(ge)(ge)輸電(dian)(dian)錢(qian)(qian)路，顧(gu)客(ke)使用了按照一(yi)款(kuan)途(tu)徑，一(yi)款(kuan)電(dian)(dian)力鐵塔，掛條(tiao)(tiao)鋼芯(xin)鋁(lv)銅絞(jiao)(jiao)合(he)(he)線(xian)(xian)(xian)(xian)，即那(nei)條(tiao)(tiao)新(xin)(xin)(xin)的(de)(de)(de)火(huo)(huo)(huo)車各(ge)(ge)輸電(dian)(dian)錢(qian)(qian)路非常的(de)(de)(de)于架(jia)線(xian)(xian)(xian)(xian)條(tiao)(tiao)新(xin)(xin)(xin)的(de)(de)(de)火(huo)(huo)(huo)車各(ge)(ge)輸電(dian)(dian)錢(qian)(qian)路的(de)(de)(de)方案；對(dui)220KV、500KV、800KV、1000KV新(xin)(xin)(xin)的(de)(de)(de)火(huo)(huo)(huo)車各(ge)(ge)輸電(dian)(dian)錢(qian)(qian)路，發達國家按照掛4條(tiao)(tiao)或六條(tiao)(tiao)接(jie)地線(xian)(xian)(xian)(xian)的(de)(de)(de)方案（四(si)線(xian)(xian)(xian)(xian)、六線(xian)(xian)(xian)(xian)法）此(ci)類架(jia)線(xian)(xian)(xian)(xian)的(de)(de)(de)方案變(bian)成同塔并架(jia)。

  鋼芯鋁銅絞合線長處：具備抗(kang)拉能(neng)力程度(du)(du)大、塔桿相應可放小等(deng)優勢特點。由于諸多使用于各種類型直流(liu)電(dian)(dian)(dian)(dian)壓(ya)分類的直埋輸(shu)供配電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)路中含(han)組成輕松、架線與維護非常方便、電(dian)(dian)(dian)(dian)路新風(feng)系統工程造價(jia)預(yu)算低傳送數量大相應長，又有(you)助跨越(yue)式黃(huang)河(he)、山谷(gu)里等(deng)唯一性(xing)地理學狀態(tai)的架線；具備優質的導電(dian)(dian)(dian)(dian)機械(xie)性(xing)性(xing)能(neng)和充足的機械(xie)性(xing)程度(du)(du)抗(kang)。

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