Medium Voltage aerial tambo dzakasungwa dzinonyanya kushandiswamitsetse yechipiri pamusoropamapango kana sevanodyisa kunzvimbo dzinogara vanhu.
Medium Voltage aerial tambo dzakasungwa dzinonyanya kushandiswamitsetse yechipiri pamusoropamapango kana sevanodyisa kunzvimbo dzinogara vanhu.
IEC 60502-2---- Matambo emagetsi ane extruded insulation uye zvishongedzo zvadzo zveyakayerwa voltages kubva pa1 kV (Um = 1.2 kV) kusvika ku30 kV (Um = 36 kV) - Chikamu 2: Matambo emagetsi akayerwa kubva ku6 kV ( Um = 7.2 kV) kusvika ku30 kV (Um = 36 kV)
6.35/11kV, 19/33kV
Phase Conductor: Kirasi 2 Circular compacted stranded aluminium
Conductor Sikirini: Yakawedzera semi-conductive layer
Insulation: XLPE (Muchinjikwa-yakabatana polyethylene)
Insulation Screen: Extruded semi-conductive layer
Metallic Screen: Copper waya sikirini kana mhangura tepi skrini
Separator: Semi-conductive swellable tepi
Outer Sheath: HDPE (High Density polyethylene)
Support Conductor:Galvanized steel waya
Insulated musimboti: Tsvuku, Yero & Bhuruu core yekumaka tepi
Outed sheath: Dema
Kushanda Tembiricha: 90°C XLPE
Tembiricha Range: -20 ° C PE sheath
Short Circuit Temperature (5 seconds maximum duration): 250°C XLPE
Bending Radius: 15 x yakazara dhayamita
Isu tinogadzira tambo dzemhando yepamusoro nekushandisa yakakwirira-yekupedzisira zvinhu:
Chikwata chakapfuma chinoziva zvaunoda:
Dyara ine zvivakwa zvakanaka uye kugona kuvimbisa kuendesa-nguva:
Nhamba yeCores x Nominal Cross Chikamu | Phase Conductor | Messenger Suspension Unit | Inoenderera Yazvino Rating pa 300°C Ambient Temp. | ||||
Stranding | Nominal Sectional Area | Maximum Conductor Resistance | Stranding | Nominal Sectional Area | Breaking Load | ||
Kwete.×mm² | Kwete.×mm | mm² | Ω/Km | Kwete.×mm | mm² | kN | A |
3X50 + 1X25 | 19/1.78 | 50 | 0.641 | 7/3.0 | 50 | 60 | 116 |
3X70 + 1X50 | 19/.14 | 70 | 0.443 | 7/3.15 | 50 | 62 | 210 |
3X95+ 1X50 | 19/2.52 | 95 | 0.32 | 7/3.0 | 50 | 60 | 173 |
3X185+1X120 | 37/2.52 | 185 | 0.164 | 7/4.67 | 120 | 150 | 259 |
3X150 +1X50 | 37/2.25 | 150 | 0.206 | 7/3.15 | 50 | 62 | 365 |
3X240 +1X50 | 61/2.25 | 240 | 0.125 | 7/3.15 | 50 | 62 | 500 |
Nhamba yeCores x Nominal Cross Chikamu | Phase Conductor | Messenger Suspension Unit | Kuenderera kwazvino kuyera pa 300°C ambient tembiricha | ||||
Stranding | Nominal Sectional Area | Maximum Conductor Resistance | Stranding | Nominal Sectional Area | Breaking Load | ||
Kwete.×mm² | Kwete.×mm | mm² | Ω/Km | Kwete.×mm | mm² | kN | A |
3X50 + 1X50 | 19/1.78 | 50 | 0.641 | 7/3.0 | 50 | 60 | 165 |
3X150+ 1X50 | 37/2.25 | 150 | 0.206 | 7/3.0 | 50 | 60 | 315 |
3X185+1X70 | 37/2.52 | 185 | 0.164 | 7/3.57 | 70 | 91 | 355 |
3X70 +1X50 | 19/2.14 | 7 | 0.443 | 7/3.15 | 50 | 62 | 250 |
3X150 +1X50 | 37/2.25 | 150 | 0.206 | 7/3.15 | 50 | 62 | 370 |