Raven ACSR Conductor Cable
The Raven ACSR Conductor Cable is a reliable overhead conductor designed for efficient power distribution. Named "Raven" for its 1/0 AWG size with 6/1 stranding (6 aluminum wires around 1 steel core), it combines lightweight aluminum for high conductivity with a galvanized steel core for tensile strength. Compliant with ASTM B230, B232, and ICEA standards, this cable offers a breaking load of approximately 3,550 lbs and a current rating up to 242 amps at 75°C in overhead applications. The aluminum 1350-H19 provides excellent corrosion resistance and low electrical resistance (0.1662 Ω/1000ft at 20°C), while the steel enhances sag control over spans up to 250m. Suitable for voltages up to 138kV in distribution lines, the Raven ACSR Conductor Cable minimizes line losses and withstands moderate weather loads, including wind and ice. Its economical design is ideal for utility upgrades, rural electrification, and grid extensions, ensuring dependable power delivery with minimal maintenance in overhead transmission and distribution systems worldwide.
- International Designation Raven
Construction
Technical Specifications
Quality Control
Application
Construction
Raven ACSR Conductor Cable Construction
Standard
Product ASTM B232
Aluminum is widely used as a material for electrical conductors, primarily due to its excellent electrical properties. However, aluminum conductors for many transmission and distribution lines require extra mechanical support, often provided by galvanized steel wires in the cores of ACSR.
Aluminum is widely used as a material for electrical conductors, primarily due to its excellent electrical properties. However, aluminum conductors for many transmission and distribution lines require extra mechanical support, often provided by galvanized steel wires in the cores of ACSR.
Construction
ACSR consists of a concentrically stranded design, with one or more layers of hard-drawn 1350-H19 aluminum wire twisted around a galvanized steel wire core. The core may be a single wire or stranded, depending on its size, and the steel wire is corrosion-protected with either Class A or B galvanization. Tailored to the electrical and mechanical strength demands of transmission and distribution lines, ACSR enables optimal design by combining specific quantities of aluminum and galvanized steel wires.
Applications
Commonly employed as bare cable for overhead transmission lines, it also serves as primary and secondary bare cable in distribution lines.
Conditions for Ampacity Calculation
Conductor temperature = 75 °C;
Room temperature = 25 °C
Room temperature = 25 °C
Technical Specifications
Raven ACSR Conductor Cable
Raven ACSR Conductor Cable
| Construction characteristics | |
| Type of cable | Raven |
| Type of conductor | Circular, stranded |
| Conductor material | aluminum / Steel Core |
| Conductor flexibility | Class A |
| Conductor shape | Circular non compacted |
| Dimensional characteristics | |
| Conductor cross-section (AWG/KCMIL) | 1/0 |
| Aluminium cross-section | 53.52 mm² |
| Number of aluminium wires | 6 |
| Diameter of aluminium wires | 3.37 mm |
| Number of steel wires | 1 |
| Diameter of steel wires | 3.37 mm |
| Conductor diameter | 10.11 mm |
| Average geometric radius | 0.00388 m |
| Aluminium content | 147.6 kg/km |
| Steel content | 69.4 kg/km |
| Approximate weight | 217 kg/km |
| Conductor cross-section | 125.09 mm² |
| Maximum outer diameter | - mm |
| Nominal outer diameter | 10.11 mm |
| Number of cores | 1 |
| Number of round wires | - |
| Electrical characteristics | |
| Max. DC resistance of the conductor at 20°C | 0.536 Ohm/km |
| Max. electric resistance AC 60Hz 75°C | 0.709 Ohm/km |
| Inductive reactance | 0.4186 Ohm/km |
| Capacitive reactance | 0.2524 MOhm.km |
| Ampacity | 240.0 A |
| Rated Voltage Uo/U (Um) | - |
| Mechanical characteristics | |
| Rated breaking load (Class A) | 1985 kgf |
| Rated breaking load (Class B) | 1923 kgf |
| Hardness type | 1350-H19 |
| Usage characteristics | |
| Length | 1390 m |
| Reel net weight | 300 kg |
| Packaging | Reel 80/45 |
| Fire resistant | - |
| Flame retardant | - |
Quality Control
Raven ACSR Conductor Cable
Raw Material Test
Raw material testing for the Raven ACSR Conductor Cable ensures compliance with ASTM B230 and B232 standards. Aluminum wires (1350-H19) are inspected for purity (>99.5%), conductivity (>61.5% IACS), and elongation (>1.5%) using spectrometry and tensile machines. Steel core wires (Class A galvanized) undergo zinc coating mass (min 200g/m²), tensile strength (1300-1450 MPa), and ductility checks via wrap and torsion tests. Samples are subjected to corrosion simulation in salt spray chambers and impurity analysis via microscopy. The structured process: incoming batch verification, random sampling, physical/mechanical testing (diameter, weight per length), chemical composition confirmation, accelerated aging trials at 150°C, and material release decision.
Process inspection
During the manufacturing of the Raven ACSR Conductor Cable, process inspection adheres to ASTM B232. Aluminum drawing ensures wire diameter tolerance (±0.025mm) and surface smoothness with micrometers. Steel core galvanizing controls zinc thickness (80-100µm) and adhesion via stripping tests. Stranding line monitors 6/1 lay ratio, compactness, and tension balance using optical sensors. Real-time checks for ovality and strand continuity occur at multiple points. Final lubrication and spooling verify coil integrity. Key steps: pre-stranding material dryness confirmation, parameter logging (speed, tension), intermediate sampling for microscopy, defect rejection (breaks/cracks), and post-stranding dimensional verification. This multi-point oversight ensures the Raven ACSR Conductor Cable achieves uniform stranding, optimal steel-aluminum bonding, corrosion protection.
Finished Product
The finished Raven ACSR Conductor Cable undergoes comprehensive testing to ASTM B232 standards. Routine tests include overall diameter (0.398 inches), weight per length (119 lbs/1000ft), and DC resistance (0.1662 Ω/1000ft at 20°C). Mechanical tests cover ultimate tensile strength (3,550 lbs) and elongation using universal machines. Electrical withstand and partial discharge checks confirm integrity. The process steps: reel sampling, preparation with grips, gradual load application to break point, timed hold for creep, post-test fracture analysis, and documentation. Additional verifications include zinc coating uniformity, lay length (250-350mm), and weather simulation (UV/ice loading). Only cables passing all criteria are approved, confirming the Raven ACSR Conductor Cable's high strength-to-weight ratio, low sag, corrosion resistance.
Application
Raven ACSR Conductor Cable is ideal for overhead transmission and distribution lines in utility networks, rural electrification, and industrial power grids. Commonly used for spans up to 250m in moderate wind/ice areas, connecting substations to transformers for efficient 69-138kV service.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
Wires and Cables packaging (1)
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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Which aspects should be considered when choosing the cross section of a power cable?(1) The long-term allowable working current of the cable; (2) Thermal stability once short circuited; (3) The voltage drop on the line cannot exceed the allowable working range.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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What should be paid attention to during the transportation and handling of cables?(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat. (2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
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What inspections should be carried out for the acceptance of cable lines?(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear; (2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements; (3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements; (4) Good grounding; (5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted; (6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.
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