Chingwe Chozungulira
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Chingwe Chozungulira cha SANS 1507 SNE
Zingwe zozungulira za SANS 1507 SNE ndi zingwe zolumikizira zamagetsi zochepa zomwe zimapangidwa motsatira South African National Standard (SANS) 1507-6.
Zingwe za SNE Tongxin zimagwirizana ndi zomwe zafotokozedwa mu SANS 1507, zomwe zimaphimba zingwe zotetezedwa za XLPE (cross-linked polyethylene) zokhala ndi polyethylene sheathing.
Zingwe izi zimagwiritsidwa ntchito popanga magetsi pogwiritsa ntchito makina a Protective Multiple Earthing (PME), pomwe Protective Earth (PE) ndi Neutral (N) - zomwe zimadziwika kuti PEN - zimalumikiza neutral-and-earth yolumikizidwa ndi real earth m'malo osiyanasiyana kuti achepetse chiopsezo cha kugwedezeka kwa magetsi pakagwa PEN yosweka. -
Chingwe Chozungulira cha SANS 1507 CNE
Zingwe zozungulira za SANS 1507 CNE zimagwirizana ndi miyezo yaku South Africa ndipo zapangidwira makamaka kulumikizana kodalirika kwa ntchito zapakhomo.
Choyendetsa cha mkuwa chozungulira cholimba, XLPE chotetezedwa ndi ma conductors a nthaka yopanda kanthu. Chingwe cholumikizira cha 600/1000V cholumikizidwa ndi polyethylene. Chingwe cha nayiloni choyikidwa pansi pa chikwama. Chopangidwa molingana ndi SANS 1507-6. -
Chingwe Chokhazikika cha Aluminiyamu cha ASTM/ICEA-S-95-658
ASTM/ICEA-S-95-658 imafotokoza zofunikira pakupanga zingwe zopanda mphamvu za aluminiyamu zotsika mphamvu kuti zigwirizane ndi National Electrical Code (NEC).
Mtundu uwu wa kondakitala ungagwiritsidwe ntchito m'malo ouma ndi onyowa, obisika mwachindunji kapena panja; Kutentha kwake kwakukulu komwe kumagwiritsidwa ntchito ndi 90 ºC ndipo mphamvu yake yogwiritsira ntchito pa ntchito zonse ndi 600V. -
Chingwe Chokhazikika cha Mkuwa cha ASTM/ICEA-S-95-658
Muyezo uwu ukutanthauza mtundu wa chingwe womwe umatanthauzidwa ndi muyezo wa ASTM ndi ICEA (Insulated Cable Engineers Association).
Muyezo wa ASTM/ICEA-S-95-658 umafotokoza zingwe zozungulira zamkuwa zomwe zili ndi pakati pa conductor wamkuwa, conductor wosalowerera wa mkuwa kapena aluminiyamu, ndi chidebe choteteza.
Chingwe cha Copper Core Concentric Chingwe chimapangidwa ndi conductor imodzi kapena ziwiri zolimba zapakati kapena conductor yofewa yolumikizidwa, yokhala ndi PVC kapena XLPE insulation, conductor yakunja yopangidwa ndi mawaya angapo ofewa amkuwa olumikizidwa mu spiral ndi black outer sheath omwe angapangidwe ndi PVC, thermoplastic polyethylene kapena XLPE.