High Performance Conductors (HPC)
Advanced overhead conductors designed for higher current carrying capacity, low sag performance, and improved transmission efficiency in modern power networks.
What are High Performance Conductors ?
High Performance Conductors (HPC) are advanced overhead conductors developed to deliver superior electrical and mechanical performance compared to conventional conductors. These conductors typically include Composite Core Type, ACSS, Invar and Gap Conductors designed for higher ampacity, lower sag, and improved thermal performance.
High Performance Conductors are manufactured using advanced Aluminum alloys and specialized core materials such as composite cores, Invar cores, steel cores, and gap-type core designs. These advanced materials enable the conductor to operate at elevated temperatures while maintaining low sag, high tensile strength, and stable mechanical performance.
At Mahavir Transmission Limited, High Performance Conductors are manufactured using advanced production technologies, stringent quality control systems, and precision testing methods to ensure consistent quality and dependable long-term field performance.
With their superior thermal capability, higher current carrying capacity, and reduced sag characteristics, High Performance Conductors are particularly suitable for transmission line uprating, renewable energy evacuation, urban transmission corridors, congested right-of-way areas, and modern grid expansion projects.
Advance Design
Designed using advanced conductor technologies such as Composite Core and Steel Supported for higher ampacity, reduced sag, and improved transmission efficiency.
Advanced Core Technology
Utilizes composite, Invar, steel, or gap-type cores to improve mechanical strength, reduce thermal expansion, and enhance reliability.
Higher Ampacity
Enables significantly greater power transfer through existing transmission lines without replacing towers.
Mechanical Strength
Performs effectively under long spans, high wind loading, and demanding terrain conditions.
Key Technical Features
Superior thermal capability, higher current carrying capacity, and low sag performance make HPC suitable for modern transmission networks, line uprating projects, and high-load power corridors.
Low Sag Characteristics
Maintains stable line clearance under elevated operating temperatures and heavy current loading.
High Temperature Performance
Operates reliably at higher temperatures while retaining mechanical strength and conductor stability.
Reduced Transmission Losses
Improves transmission efficiency by lowering resistive power losses.
Suitable for Transmission Line Uprating
Allows utilities to increase line capacity without replacing towers or transmission structures.
Advanced Core Technology
Utilizes specialized composite, Invar, steel, or gap-type cores for improved tensile strength and reduced thermal expansion.
Higher Ampacity
Enables significantly greater power transfer through existing transmission lines without major infrastructure modifications.
Enhanced Mechanical Reliability
Performs effectively under long spans, high wind loading, and demanding terrain conditions.
Long Service Life
Provides dependable long-term performance with excellent resistance to thermal cycling, environmental stress, and weather exposure.
Applications of HPC Conductors
High Performance Conductors from Mahavir Transmission are widely used across modern transmission networks where higher power transfer, low sag performance, thermal stability, and efficient utilization of existing infrastructure are critical.
Urban Transmission Corridors
Ideal for densely populated areas where right-of-way limitations restrict the development of new transmission lines.
Renewable Energy Evacuation
Suitable for transmitting power from solar parks, wind farms, and other renewable energy projects over long distances.
High Load Power Corridors
Widely used in heavily loaded transmission routes requiring higher ampacity and lower transmission losses.
Long Span Installations
Suitable for river crossings, valleys, highways, and other applications requiring long unsupported spans with minimal sag.
Congested Right-of-Way Areas
Enables higher power transfer within existing transmission corridors where expansion is difficult or costly.
Grid Modernization Projects
Supports advanced transmission infrastructure upgrades requiring improved efficiency, reliability, and long-term performance.
Product Specifications
Technical specifications of HPC conductor variants include size, stranding, diameter, weight, resistance, strength, current capacity, and standards.
| Code | Al Area (mm²) | Core Area (mm²) | Total Area (mm²) | Cond. ⌀ (mm) | Core ⌀ (mm) | Al Wt (kg/km) | Core Wt (kg/km) | Total Wt (kg/km) | Core Str. (kN) | Total Str. (kN) | DC Res. (Ω/km) | I @85°C (A) | I @120°C (A) | I @180°C (A) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ACER-120/28 | 122 | 28 | 150 | 14.35 | 5.97 | 338 | 54 | 392 | 59.6 | 60.4 | 0.2286 | 335 | 480 | 633 |
| ACER-270/40 | 273 | 39.7 | 312.7 | 20.5 | 7.11 | 756 | 76 | 832 | 85 | 100.4 | 0.1024 | 539 | 786 | 1050 |
| ACER-300/60 | 313 | 60.3 | 373.3 | 22.4 | 8.76 | 868 | 113 | 981 | 129 | 146.7 | 0.0893 | 588 | 861 | 1154 |
| ACER-300/40 | 315 | 39.7 | 354.7 | 21.79 | 7.11 | 870 | 76 | 946 | 85 | 102.7 | 0.0887 | 587 | 858 | 1148 |
| ACER-360/45 | 367 | 47.1 | 414.1 | 23.55 | 7.75 | 1018 | 86 | 1104 | 101 | 121.7 | 0.0762 | 643 | 944 | 1267 |
| ACER-420/50 | 421 | 51.9 | 472.9 | 25.15 | 8.13 | 1166 | 98 | 1264 | 110.8 | 134.5 | 0.0666 | 696 | 1028 | 1382 |
| ACER-450/60 | 453 | 60.3 | 513.3 | 26.39 | 8.76 | 1255 | 113 | 1368 | 129 | 154.5 | 0.0617 | 730 | 1081 | 1457 |
| ACER-460/60 | 463 | 60.3 | 523.3 | 26.39 | 8.76 | 1282 | 113 | 1395 | 129 | 155.1 | 0.0605 | 737 | 1092 | 1471 |
| ACER-500/60 | 507 | 60.3 | 567.3 | 27.71 | 8.76 | 1406 | 113 | 1519 | 129 | 157.6 | 0.0553 | 778 | 1156 | 1561 |
| ACER-525/70 | 524 | 71.3 | 595.3 | 28.14 | 9.53 | 1452 | 132 | 1584 | 151.7 | 181.2 | 0.0534 | 794 | 1181 | 1596 |
| ACER-550/60 | 546 | 60.3 | 606.3 | 28.63 | 8.76 | 1514 | 113 | 1627 | 129 | 159.7 | 0.0514 | 811 | 1209 | 1634 |
| ACER-590/70 | 592 | 71.3 | 663.3 | 29.9 | 9.53 | 1643 | 132 | 1775 | 151.7 | 185 | 0.0474 | 851 | 1273 | 1724 |
| ACER-650/70 | 668 | 71.3 | 739.3 | 31.5 | 9.53 | 1852 | 132 | 1984 | 151.7 | 189.3 | 0.042 | 912 | 1369 | 1859 |
| ACER-750/90 | 749 | 87.3 | 836.3 | 33.4 | 10.54 | 2078 | 164 | 2242 | 185.9 | 228.1 | 0.0375 | 974 | 1470 | 2001 |
| ACER-750/75 | 759 | 75.1 | 834.1 | 33.4 | 9.78 | 2102 | 143 | 2245 | 160.1 | 202.8 | 0.037 | 980 | 1479 | 2013 |
| ACER-950/75 | 945 | 75.1 | 1020.1 | 36.86 | 9.78 | 2614 | 143 | 2757 | 160.1 | 213.3 | 0.0297 | 1106 | 1685 | 2306 |
| ACER-1000/90 | 1006 | 87.3 | 1093.3 | 38.2 | 10.54 | 2784 | 164 | 2948 | 185.9 | 242.5 | 0.0278 | 1148 | 1755 | 2407 |
Standards and Compliance
Our High Performance Conductors (HPC) are produced and tested in line with applicable Indian and international standards to ensure reliable quality, consistent performance, and long service life.
ASTM B856 / B857
American Standard Specifications for High Temperature Low Sag conductors, including ACSS and ACSS/TW, used in overhead power transmission applications
ASTM B987 / B987M
American Standard Specification for Carbon Fiber Thermoset Polymer Matrix Composite Core (CFC) used in overhead electrical conductors and advanced HTLS conductor applications
Quality & Certifications
ISO 9001 : 2015
Quality Management
In-House Testing
NABL-Grade Equipment
Routine & Type Test Performed
Explore Our Full Conductor Range
Alongside HPC, Mahavir Transmission offers the complete family of overhead conductors and cables for every transmission and distribution application.