Transmission Line
2025-09-20
Types of Transmission Lines
1. According to Voltage Level
High Voltage (HV): 110 kV – 132 kV
Extra-High Voltage (EHV): 220 kV – 400 kV
Ultra-High Voltage (UHV): 500 kV and above
2. According to Current Type
AC Transmission Lines (Three-Phase)
DC Transmission Lines (HVDC) — used for long-distance, low-loss transmission
3. According to Structure
Overhead Transmission Lines (towers, poles, monopoles)
Underground Transmission Cables (high-density urban areas or sensitive zones)
4. According to Conductor Material
ACSR
AAAC
ACCC / ACCR (High-Efficiency Carbon Composite Conductors)
Atrace Company Transmission Line Services
At Atrace Production and Renewal Electricity Company, we specialize in the engineering, supply, installation, and commissioning of high-voltage transmission line projects. Our expertise includes:
Engineering & Design
Route survey and mapping
Structural analysis of towers and foundations
Electrical load flow and line-loss analysis
Design of grounding and protection systems
Tower spotting, profiling, and sag-tension calculations
Procurement & Supply
Conductors (ACSR, AAAC, ACCC)
Transmission towers, steel structures, and hardware fittings
Insulators (composite, porcelain, glass type)
OPGW fiber optic cables
Lightning protection equipment
Foundation materials and accessories
Construction & Installation
Tower erection and assembly
Conductor stringing with tension control
Installation of insulators, OPGW, and safety components
Foundation work in all soil conditions
Earthing and grounding system installation
Testing & Commissioning
Line inspection and mechanical testing
Conductor sagging and tension verification
Earthing resistance measurement
OPGW fiber testing
Final energization and integration with the grid
Maintenance & Upgrading
Preventive maintenance
Emergency repair services
Tower strengthening and conductor upgrading
OPGW replacement and communication system upgrades