Thumela i-imeyileIfanelekile kwiinethiwekhi zamandla ezifana nezikhululo zamandla. Ifakelwe kwiipayipi, phantsi komhlaba nangaphandle. Nceda uqaphele: Isiciko sangaphandle esibomvu sinokuphelelwa bubuhle xa sichatshazelwa yimitha ye-UV.
Imigangatho:
Ukusasazwa kwelangatye kwi-BS EN60332
BS6622
I-IEC 60502
Iimpawu:
Umqhubi: ii-stranded plain annealed circular compact copper conductors okanyeumqhubi we-aluminium
Ubushushu: i-cross link polyethylene (XLPE)
Isikrini sesinyithi: isikrini seteyiphu yobhedu nganye okanye iyonke
Isahluli: iteyiphu yobhedu ene-10% yokugqithisa
Izinto zokulala: i-polyvinyl chloride (PVC)
Izixhobo zokuzikhusela: Isixhobo soMbane seNsimbi (i-SWA), iSixhobo seTape yeNsimbi (i-STA), iSixhobo seTape yeNsimbi (i-AWA), iSixhobo seTape yeNsimbi (i-ATA)
Isingxobo: Isingxobo sangaphandle sePVC
Umbala weSheath: Bomvu okanye Mnyama
Idatha yombane:
Ubushushu obuphezulu bomqhubi osebenzayo: 90°C
Ubushushu obuphezulu bokusebenza kwesikrini: 80°C
Ubushushu obuphezulu bomqhubi ngexesha le-SC: 250°C
Iimeko zokubeka xa kwakhiwa i-trefoil zezi zilandelayo:
Ukumelana nobushushu bomhlaba: 120˚C. Cm/Watt
Ubunzulu bomngcwabo: 0.5m
Ubushushu bomhlaba: 15°C
Ubushushu bomoya: 25°C
Ireyithi: 50Hz
I-12.7/22kV-Umqhubi wobhedu omnye oyintloko XLPE iteyiphu yobhedu egqunyiweyo evaliweyo ngentambo ye-aluminiyam ekhuselweyo enezintambo zePVC ezigqunyiweyo
| Indawo ekhethiweyo yomqhubi | Ukumelana okuphezulu komqhubi kwi-20 ℃ | Ubukhulu be-xlpe insulation | Ubukhulu beteyiphu yobhedu | Ubukhulu beebhedi ezikhutshiweyo | I-Dia yentambo yesikrweqe | Ubukhulu besingxobo sangaphandle | Ngokubanzi | Ubunzima bekhebula obuqikelelweyo |
| mm² | Ω/km | mm | mm | mm | mm | mm | mm | kg/km |
| 35 | 0.524 | 5.5 | 0.12 | 1.2 | 1.6 | 2 | 32.2 | 1360 |
| 50 | 0.387 | 5.5 | 0.12 | 1.2 | 1.6 | 2 | 33.3 | 1524 |
| 70 | 0.268 | 5.5 | 0.12 | 1.2 | 2 | 2.1 | 36 | 1896 |
| 95 | 0.193 | 5.5 | 0.12 | 1.2 | 2 | 2.2 | 38 | 2241 |
| 120 | 0.153 | 5.5 | 0.12 | 1.2 | 2 | 2.2 | 39.4 | 2534 |
| 150 | 0.124 | 5.5 | 0.12 | 1.2 | 2 | 2.3 | 41 | 2867 |
| 185 | 0.0991 | 5.5 | 0.12 | 1.2 | 2 | 2.3 | 42.6 | 3288 |
| 240 | 0.0754 | 5.5 | 0.12 | 1.3 | 2 | 2.4 | 45.2 | 3923 |
| 300 | 0.0601 | 5.5 | 0.12 | 1.3 | 2.5 | 2.5 | 48.58 | 4756 |
| 400 | 0.047 | 5.5 | 0.12 | 1.4 | 2.5 | 2.6 | 52 | 5739 |
| 500 | 0.0366 | 5.5 | 0.12 | 1.4 | 2.5 | 2.8 | 55.64 | 6928 |
| 630 | 0.0283 | 5.5 | 0.12 | 1.5 | 2.5 | 2.9 | 59.84 | 8487 |
12.7/22kV-Ii-cores ezintathu zobhedu umqhubi we-xlpe iteyiphu yobhedu egqunyiweyo evaliweyo intsimbi egqunyiweyo yentsimbi egqunyiweyo eneentambo ze-PVC ezigqunyiweyo
| Indawo ekhethiweyo yomqhubi | Ukumelana okuphezulu komqhubi kwi-20 ℃ | Ubukhulu be-xlpe insulation | Ubukhulu beteyiphu yobhedu | Ubukhulu beebhedi ezikhutshiweyo | I-Dia yentambo yesikrweqe | Ubukhulu besingxobo sangaphandle | Ububanzi obupheleleyo obumalunga | Ubunzima bekhebula obuqikelelweyo |
| mm² | Ω/km | mm | mm | mm | mm | mm | mm | kg/km |
| 35 | 0.524 | 5.5 | 0.075 | 1.5 | 2.5 | 2.7 | 57.4 | 4710 |
| 50 | 0.387 | 5.5 | 0.075 | 1.6 | 2.5 | 2.8 | 60.2 | 5130 |
| 70 | 0.268 | 5.5 | 0.075 | 1.6 | 2.5 | 2.9 | 64.2 | 5740 |
| 95 | 0.193 | 5.5 | 0.075 | 1.7 | 2.5 | 3.2 | 73.2 | 8870 |
| 120 | 0.153 | 5.5 | 0.075 | 1.7 | 3.15 | 3.3 | 78 | 10730 |
| 150 | 0.124 | 5.5 | 0.075 | 1.8 | 3.15 | 3.4 | 81.4 | 12000 |
| 185 | 0.0991 | 5.5 | 0.075 | 1.9 | 3.15 | 3.6 | 85.5 | 13460 |
| 240 | 0.0754 | 5.5 | 0.075 | 2 | 3.15 | 3.7 | 91.3 | 15780 |
| 300 | 0.0601 | 5.5 | 0.075 | 2 | 3.15 | 3.9 | 96 | 18110 |
| 400 | 0.047 | 5.5 | 0.075 | 2.2 | 3.15 | 4.1 | 103 | 21500 |
Imveliso Engakumbi
