Slocable AC High Voltage Power Cable 220KV
- Voltage Level: 127/220 KV
- Types: YJV/YJLV
- Conductor Material: Copper/Aluminum
- Standard: GB/T 11017, IEC 60840, IEC 62067
- Conductor Nominal Cross-Section: 400mm²~2500mm²
High-voltage power cables are special cables used to transmit extremely high-voltage electrical energy. They are the core equipment for building modern large power grids and connecting large power plants, hub substations and cross-regional power transmission networks. Compared with medium voltage cables, it sets unprecedented high standards in design, materials, workmanship and testing to ensure absolute reliability and long-term stability under extremely strong electric fields.
AC High Voltage Power Cable Parameter
| Datasheet | ||||||||
| Conductor nominal cross section（mm²） |
Insulation thickness（mm） |
Approximate diameter（mm） |
Maximum DC resistance of conductor at 20℃（Ω） |
Maximum AC resistance of conductor at 90℃（Ω） |
In the air （A） |
Buried （A） |
Capacitance （μF/km） |
Inductance （mH/km） |
| 400 | 27 | 116.1 | 0.047 | 0.0614 | 784 | 662 | 0.114 | 0.764 |
| 500 | 27 | 119.3 | 0.0366 | 0.0485 | 904 | 754 | 0.123 | 0.742 |
| 630 | 26 | 120.8 | 0.0283 | 0.0384 | 1044 | 856 | 0.135 | 0.719 |
| 800 | 25 | 122.7 | 0.0221 | 0.0331 | 1191 | 1071 | 0.149 | 0.698 |
| 1000 | 24 | 129 | 0.0176 | 0.0232 | 1491 | 1122 | 0.173 | 0.673 |
| 1200 | 24 | 131.8 | 0.0151 | 0.0201 | 1546 | 1207 | 0.182 | 0.662 |
| 1600 | 24 | 139.6 | 0.0113 | 0.0156 | 1860 | 1377 | 0.202 | 0.642 |
| 2000 | 24 | 146.2 | 0.009 | 0.0129 | 2029 | 1512 | 0.216 | 0.63 |
| 2500 | 24 | 152.7 | 0.0072 | 0.011 | 2281 | 1642 | 0.236 | 0.613 |
Key Features & Benefits
High-capacity, long-distance power transmission - High-voltage power cables can efficiently transmit the enormous electrical energy generated by power plants (such as hydroelectric, thermal, and nuclear power plants) to distant load centers, urban power grids, and key substations with extremely low loss.
Constructing the main power grid structure - High-voltage cables form the backbone of national or regional power grids, connecting different grid areas to form a robust network structure, thereby improving the stability and reliability of the entire power system.
Replacing overhead lines for specific scenarios - In areas where overhead transmission lines cannot be installed, HV cables are the only solution. They achieve a seamless connection of electricity through underground or underwater installation.
Extremely High Power Supply Reliability and Safety - High-voltage cables are buried deep underground or laid in tunnels, completely unaffected by severe weather conditions such as typhoons, snow, lightning strikes, and smog, avoiding line tripping accidents caused by these factors, ensuring extremely high power supply reliability.
Why Choose Slocable High Voltage Cables
High Transmission Capacity
Slocable's high-voltage power cables utilize large-section conductors and excellent heat dissipation design, enabling a single high-voltage cable to transmit several thousand megawatts of power, meeting the electricity demands of the core areas of large cities.
Long Lifespan and Low Maintenance Costs
Slocable's high-voltage cables are typically designed for a lifespan exceeding 40 years. Due to less susceptibility to external environmental corrosion, their daily maintenance workload is far lower than that of overhead lines, relying primarily on online monitoring systems, resulting in more advantageous maintenance costs over their entire lifespan.
Continuous Production of Long Lengths
Our production equipment, processes, and environments (ultra-clean workshops) maintain extremely high stability, allowing continuous production of high-voltage cables.
