Overhead Ground Wire 48 Cores
Opgw Cable – High-Performance Optical Fiber Composite Ground Wire for Power Transmission Networks This advanced Overhead Ground Wire (OPGW) cable, specifically the 48-core variant, is engineered to combine electrical grounding functionality with high-capacity fiber-optic communication capabilities. Designed for modern power infrastructure, it serves as both a protective shield against lightning strikes and a robust conduit for data transmission across long distances. With multiple structural options tailored to varying load requirements, this OPGW solution ensures reliable performance under extreme environmental conditions while maintaining signal integrity. Key Features: - Durable stainless steel tube design for superior mechanical strength and thermal stability - Central
loose tube or stranded configuration for optimal fiber slack management - Compatible with diverse voltage levels and short-circuit current demands - Lightweight yet strong aluminum-clad steel outer layers enhancing tensile performance - Customizable core counts from 24 to 48 fibers based on network needs - Compliant with international standards including CE and RoHS certifications Detailed Description: The 48-core OPGW cable integrates optical fiber units within a specially designed composite structure that protects against external stressors such as wind, ice, temperature fluctuations, and electromagnetic interference. The central tube design allows for precise control over fiber length redundancy, minimizing microbending losses and ensuring consistent signal quality over time. This makes it ideal for use in high-voltage transmission lines where reliability and durability are paramount. Available in several configurations—such as OPGW-48B1-70(77;24) and OPGW-48B1-80(86;29.2)—each model offers unique combinations of aluminum-clad steel cross-sections, weight per kilometer, DC resistance, and short-circuit current capacity (ranging from 9 kA²·s up to 45 kA²·s). These parameters enable engineers to select the most suitable variant for specific project requirements, whether for urban substations, rural grid expansions, or harsh climate environments. Applications: Ideal for utility companies deploying fiber-to-the-grid solutions, this OPGW cable supports smart grid technologies by enabling real-time monitoring, remote diagnostics, and enhanced cybersecurity for critical energy infrastructure. It’s widely adopted in regions requiring resilient communication networks alongside power delivery systems—including Europe, Africa, the Middle East, and Central Asia—where traditional telecom infrastructure may be limited or unreliable. Whether used in new construction or retrofitted into existing towers, its modular design facilitates seamless integration without compromising safety or efficiency. Customer Feedback: Users praise the product’s balance between electrical conductivity and optical performance. Many highlight how the structured fiber placement reduces installation complexity and improves long-term maintenance outcomes. Engineers appreciate the flexibility in choosing between different aluminum-clad steel densities and fiber capacities, which directly impacts system resilience during fault events like short circuits or heavy icing. Frequently Asked Questions: What is the difference between OPGW and OPPC cables? OPGW (Optical Ground Wire) acts as a ground wire and carries fiber optics, whereas OPPC (Optical Phase Conductor) functions as a phase conductor with embedded fiber, often used when additional electrical conductance is required. Both offer dual-purpose functionality but serve distinct roles depending on the line configuration. How do I choose the right OPGW model for my project? Select based on your transmission line’s voltage level, expected tensile load, required fiber count, and allowable short-circuit current. Consult technical specifications such as RTS (Rated Tensile Strength), outer diameter, and DC resistance to match the cable to site-specific conditions. Can this cable withstand extreme weather conditions? Yes, thanks to its corrosion-resistant stainless steel components and optimized mechanical design, the 48-core OPGW performs reliably even in high-wind zones, freezing climates, and areas prone to heavy snow accumulation or lightning activity. Is the fiber inside protected from mechanical stress? Absolutely—the central loose tube design provides controlled fiber slack, reducing tension-induced damage and ensuring stable optical transmission over decades of service life.
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