在(zai)耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)導(dao)線(xian)標(biao)(biao)(biao)準(zhun)方面,日(ri)本電氣規(gui)格調查會(hui)(hui)于(yu)1976年(nian)(nian)制(zhi)訂(ding)了(le)JEC197標(biao)(biao)(biao)準(zhun)規(gui)范(fan)耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)導(dao)線(xian)的(de)性能指標(biao)(biao)(biao),1995年(nian)(nian)將其改定為(wei)JEC3406標(biao)(biao)(biao)準(zhun),。2007年(nian)(nian)日(ri)本電氣規(gui)格調查會(hui)(hui)主持制(zhi)訂(ding)了(le)國際電工委(wei)員會(hui)(hui)標(biao)(biao)(biao)準(zhun)IEC62004-2007標(biao)(biao)(biao)準(zhun)。該(gai)標(biao)(biao)(biao)準(zhun)淘汰了(le)電導(dao)率為(wei)58%IACS的(de)耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)導(dao)線(xian),該(gai)標(biao)(biao)(biao)準(zhun)中關于(yu)耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)線(xian)導(dao)線(xian)的(de)性能指標(biao)(biao)(biao)見表5。2010年(nian)(nian)日(ri)本在(zai)修訂(ding)JEC3406標(biao)(biao)(biao)準(zhun)中也淘汰了(le)電導(dao)率為(wei)58%IACS的(de)耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)線(xian)。英國(歐盟)在(zai)2009年(nian)(nian)制(zhi)定的(de)耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)導(dao)線(xian)標(biao)(biao)(biao)準(zhun)中,對(dui)IEC62004-2007標(biao)(biao)(biao)準(zhun)中的(de)相關條(tiao)款進行了(le)部分修訂(ding),放寬了(le)耐(nai)(nai)(nai)熱(re)(re)性方面的(de)限制(zhi)。規(gui)定所有耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)線(xian)230℃保溫1h或180℃保溫400h退火處理后,強度(du)殘存(cun)(cun)率≥85%,批量平(ping)均強度(du)殘存(cun)(cun)率都必須≥90%,詳見表6。美國在(zai)2010年(nian)(nian)制(zhi)定的(de)ASTMB941標(biao)(biao)(biao)準(zhun)中,提高了(le)耐(nai)(nai)(nai)熱(re)(re)鋁合(he)金(jin)(jin)(jin)導(dao)線(xian)的(de)耐(nai)(nai)(nai)熱(re)(re)性要求(qiu)。
我國(guo)(guo)還沒有耐(nai)熱(re)(re)鋁(lv)(lv)合(he)(he)金導(dao)(dao)線(xian)(xian)(xian)的(de)(de)(de)國(guo)(guo)家(jia)標(biao)準或行業標(biao)準,我國(guo)(guo)的(de)(de)(de)線(xian)(xian)(xian)纜(lan)企(qi)業按照相關(guan)的(de)(de)(de)企(qi)業標(biao)準組織生產(chan)和(he)驗收(shou)。目(mu)前(qian)還處于(yu)58TAL和(he)60TAL耐(nai)熱(re)(re)鋁(lv)(lv)合(he)(he)金導(dao)(dao)線(xian)(xian)(xian)生產(chan)并存階段,為了降低(di)線(xian)(xian)(xian)路損(sun)耗,國(guo)(guo)家(jia)電(dian)(dian)(dian)網公司于(yu)2009年頒布了耐(nai)熱(re)(re)鋁(lv)(lv)合(he)(he)金導(dao)(dao)線(xian)(xian)(xian)的(de)(de)(de)企(qi)業標(biao)準,該標(biao)準中規定(ding)耐(nai)熱(re)(re)鋁(lv)(lv)合(he)(he)金線(xian)(xian)(xian)的(de)(de)(de)電(dian)(dian)(dian)導(dao)(dao)率≥60%IACS,20℃時的(de)(de)(de)電(dian)(dian)(dian)阻溫度(du)系數為0.0039/℃、抗拉(la)強度(du)為150~160MPa,導(dao)(dao)線(xian)(xian)(xian)長(chang)期運行溫度(du)為150℃。為了進一(yi)步降低(di)線(xian)(xian)(xian)路損(sun)耗,國(guo)(guo)家(jia)電(dian)(dian)(dian)網在推(tui)廣應用(yong)鋼芯(xin)63%IACS電(dian)(dian)(dian)導(dao)(dao)率硬鋁(lv)(lv)線(xian)(xian)(xian),鋁(lv)(lv)合(he)(he)金芯(xin)鋁(lv)(lv)絞線(xian)(xian)(xian)和(he)中強度(du)全鋁(lv)(lv)合(he)(he)金絞線(xian)(xian)(xian)等節(jie)能型(xing)(xing)導(dao)(dao)線(xian)(xian)(xian)的(de)(de)(de)同時,投入經費開(kai)展61%IACS耐(nai)熱(re)(re)鋁(lv)(lv)合(he)(he)金導(dao)(dao)線(xian)(xian)(xian)的(de)(de)(de)研制。鑒于(yu)間隙型(xing)(xing)耐(nai)熱(re)(re)鋁(lv)(lv)合(he)(he)金導(dao)(dao)線(xian)(xian)(xian)的(de)(de)(de)低(di)弧垂特性,間隙型(xing)(xing)61%IACS導(dao)(dao)電(dian)(dian)(dian)率耐(nai)熱(re)(re)鋁(lv)(lv)合(he)(he)金導(dao)(dao)線(xian)(xian)(xian)必將以其低(di)能耗、低(di)弧垂的(de)(de)(de)特性受到使用(yong)者的(de)(de)(de)青睞。