Medium Voltage aerial bundled cables yog siv raucov kab hauv nruab nrabntawm ncej lossis raws li feeders rau thaj chaw nyob.
Medium Voltage aerial bundled cables yog siv raucov kab hauv nruab nrabntawm ncej lossis raws li feeders rau thaj chaw nyob.
IEC 60502-2---- Fais fab cables nrog extruded rwb thaiv tsev thiab lawv cov khoom siv rau cov ntsuas hluav taws xob ntawm 1 kV (Um = 1.2 kV) txog 30 kV (Um = 36 kV) - Ntu 2: Cables rau cov ntsuas hluav taws xob ntawm 6 kV ( Um = 7.2 kV) mus txog 30 kV (Um = 36 kV)
6.35/11kV, 19/33kV 1
Phase Conductor: Chav Kawm 2 Circular compacted stranded aluminium
Conductor Screen: Extruded semi-conductive txheej
Rwb thaiv tsev: XLPE (Cross-linked polyethylene)
Rwb thaiv tsev Screen: Extruded semi-conductive txheej
Metallic Screen: Copper wire screen lossis tooj liab daim kab xev npo
Separator: Semi-conductive swellable daim kab xev
Txheej txheej: HDPE (High Density polyethylene)
Kev them nyiaj yug Conductor:Galvanized steel hlau
Insulated core: Liab, Daj & Xiav core marking daim kab xev
Outed sheath: Dub
Ua haujlwm kub: 90 ° C XLPE
Qhov kub thiab txias: -20 ° C PE sheath
Short Circuit Temperature (5 vib nas this ntev tshaj plaws): 250 ° C XLPE
Bending Radius: 15 x tag nrho txoj kab uas hla
Peb tsim cov cables zoo los ntawm kev siv cov khoom siv high-end:
Pab neeg ua haujlwm nplua nuj paub txog qhov koj xav tau:
Cog nrog cov chaw zoo thiab muaj peev xwm lav tau raws sij hawm xa tuaj:
Number of Cores x Nominal Cross Section | Phase Tus Coj | Messenger Suspension Unit | Kev ntsuas tam sim no tsis tu ncua ntawm 300 ° C Ambient Temp. | ||||
Stranding | Nominal Sectional Area | Maximum Conductor Resistance | Stranding | Nominal Sectional Area | Rhuav Load | ||
No. × mm² | No. × mm | mm² os | Ω/Km | No. × mm | mm² os | kN | A |
3 x 50 + 1 x 25 | 19/1.78 Nws | 50 | 0.641 ib | 7/3.0 | 50 | 60 | 116 |
3 x 70 + 1 x 50 | 19/.14 Nws | 70 | 0.443 ib | 7/3.15 Nws | 50 | 62 | 210 |
3x95+ 1x 50 | 19.2.52 Nws | 95 | 0.32 ib | 7/3.0 | 50 | 60 | 173 |
3 x 185 + 1 x 120 | 37/2.52 Nws | 185 | 0.164 ib | 7/4, 67 | 120 | 150 | 259 |
3 x 150 + 1 x 50 | 37/2.25 Nws | 150 | 0.206 ib | 7/3.15 Nws | 50 | 62 | 365 |
3 x 240 + 1 x 50 | 6 1/2.25 | 240 | 0.125 Nws | 7/3.15 Nws | 50 | 62 | 500 |
Number of Cores x Nominal Cross Section | Phase Tus Coj | Messenger Suspension Unit | Kev ntsuas tam sim no tsis tu ncua ntawm 300 ° C ambient temp | ||||
Stranding | Nominal Sectional Area | Maximum Conductor Resistance | Stranding | Nominal Sectional Area | Rhuav Load | ||
No. × mm² | No. × mm | mm² os | Ω/Km | No. × mm | mm² os | kN | A |
3 x 50 + 1 x 50 | 19/1.78 Nws | 50 | 0.641 ib | 7/3.0 | 50 | 60 | 165 |
3 X 150 + 1 X 50 | 37/2.25 Nws | 150 | 0.206 ib | 7/3.0 | 50 | 60 | 315 |
3x185+1x70 | 37/2.52 Nws | 185 | 0.164 ib | 7/3.57 Nws | 70 | 91 | 355 |
3 x 70 + 1 x 50 | 19.2.14.19 Nws | 7 | 0.443 ib | 7/3.15 Nws | 50 | 62 | 250 |
3 x 150 + 1 x 50 | 37/2.25 Nws | 150 | 0.206 ib | 7/3.15 Nws | 50 | 62 | 370 |