Frequently Asked Questions (FAQ)

• Q: What is the PROTOLON (FL)-LWL (N)TSFLCGEWOEU 3.6/6kV cable?

  
  A: It is a flexible, medium voltage flat reeling cable that integrates fiber-optics for simultaneous power and data transmission, specifically designed for heavy-duty port and shipbuilding applications.

• Q: What voltage ratings does this cable support?

  
  A: The cable is rated at 3.6/6kV (with an option up to 7.2kV) and is tested at 11kV, ensuring robust electrical performance in medium voltage systems.

• Q: How does the cable combine power and data transmission?

  
  A: Integrated fiber-optic tubes run alongside the conductors, enabling the cable to deliver both electrical energy and high-speed data signals in a single, streamlined installation.

• Q: What makes this cable ideal for port shipbuilding and material handling?

  
  A: Its flexible design, high mechanical strength, and integrated fiber-optics allow it to withstand dynamic loads, frequent directional changes, and environmental stresses common in port and shipyard operations.

• Q: How does the cable resist high mechanical stresses?

  
  A: It is engineered with finely stranded, tinned copper conductors, robust EPR rubber insulation, and a flat profile that minimizes bending stress during repeated reeling and directional changes.

• Q: What is the significance of the flat reeling design for crane operations?

  
  A: The flat design reduces friction and bending strain, which is essential for fast-moving container cranes and heavy equipment that undergo rapid, repeated reeling.

• Q: How does the cable perform under the dynamic tensile loads typical in port environments?

  
  A: With a permanent tensile strength of 15 N/mm², the cable is designed to maintain its integrity even under constant high-tension and dynamic loads.

• Q: Is the cable resistant to oil, UV radiation, and ozone?

  
  A: Yes, the cable’s outer sheath is made of specially compounded polychloroprene (PCP) rubber, offering excellent resistance to oil, UV exposure, and ozone – crucial for harsh marine and port conditions.

• Q: What type of conductors are used in this cable?

  
  A: It uses finely stranded, tinned copper (Class 5) conductors, ensuring high electrical conductivity and longevity in demanding applications.

• Q: How does the cable’s insulation technology protect against electrical failures?

  
  A: The insulation is made from high-performance EPR rubber (PROTOLON HS) with specialized compounds, combined with inner and outer semi-conductive layers, providing robust electrical insulation and stability.

• Q: How does the cable handle extreme temperature variations in port and shipyard environments?

  
  A: It is designed for fixed installations from -50°C to 80°C and flexible installations from -35°C to 80°C, while the conductor can continuously operate up to 90°C and withstand up to 250°C during short-circuit conditions.

• Q: What ambient temperature ranges are suitable for this cable?

  
  A: The cable is suitable for fixed installations in temperatures ranging from -50°C to 80°C and for flexible applications from -35°C to 80°C.

• Q: How does the cable maintain performance in humid, salty port environments?

  
  A: Its durable insulation and protective outer sheath resist corrosion and degradation from saltwater, humidity, and other environmental factors common in maritime settings.

• Q: Which international standards does the cable comply with?

  
  A: The cable meets standards such as DIN VDE 0298-4, DIN VDE 0250-813, DIN EN 60228/IEC 60228/VDE 0295, and DIN EN 60811-404/IEC 60811-404, ensuring high quality and safety.

• Q: How does the cable ensure flame retardancy in high-risk shipyard environments?

  
  A: It is designed in accordance with EN/IEC 60332-1-2 standards, which means it is flame retardant, adding an extra layer of safety in potentially hazardous settings.

• Q: What is the maximum continuous operating temperature of the cable’s conductors?

  
  A: The conductors can operate continuously at up to 90°C, ensuring reliable performance even under heavy load conditions.

• Q: How is the bending radius of the cable determined?

  
  A: Following VDE 0298-3 guidelines, the recommended bending radius is 6 times the cable diameter for fixed installations, 10 times for flexible operations, and 20 times for S-type directional changes.

• Q: What are the specifications of the integrated fiber optics?

  
  A: The cable features six optical tubes arranged around a central support, accommodating multi-mode fibers (G62.5/125 µm and G50/125 µm) and single-mode fibers (E9/125 µm) with low attenuation and high bandwidth.

• Q: How does fiber-optic integration benefit port operations?

  
  A: It allows for real-time monitoring, automation, and control of equipment by transmitting high-speed data alongside power, thereby enhancing operational efficiency.

• Q: What current carrying capacity does this cable offer?

  
  A: The cable is engineered to handle the high current demands of heavy machinery in port operations, ensuring reliable power delivery for cranes and other mobile equipment.

• Q: How does the parallel core arrangement contribute to electrical safety?

  
  A: It ensures even current distribution and minimizes the risk of electrical hotspots, enhancing both performance and safety during operation.

• Q: How does the cable perform during high-speed reeling operations?

  
  A: Designed for fast-paced environments, the cable supports gantry reeling speeds up to 120 m/min, allowing for rapid deployment and efficient handling on-site.

• Q: What testing procedures verify the cable's durability and safety?

  
  A: The cable undergoes rigorous electrical and mechanical tests—including high voltage, tensile, and bending tests—to ensure compliance with international standards and reliable performance under stress.

• Q: How does the cable reduce downtime in port operations?

  
  A: Its robust design and integrated power/data transmission simplify installation and maintenance, minimizing disruptions and enhancing operational uptime.

• Q: Can the cable be used in both fixed and flexible installations?

  
  A: Yes, the cable is versatile and designed for both fixed installations (such as permanent port structures) and flexible, mobile applications (like cranes and container handlers).

• Q: How does the cable help lower maintenance costs in maritime environments?

  
  A: Its durable construction and resistance to environmental degradation mean fewer replacements and repairs, leading to lower long-term maintenance expenses.

• Q: What features make the cable suitable for high-speed reeling in busy port operations?

  
  A: The flat reeling design minimizes bending strain and friction, which is essential for fast-moving operations in dynamic port environments.

• Q: How does the cable cope with extreme weather conditions such as heavy rain, salt spray, and high winds?

  
  A: Its high-grade materials and robust outer sheath protect against moisture, salt corrosion, and wind-induced stresses, ensuring stable performance regardless of weather conditions.

• Q: What specific design elements ensure the cable’s reliability in harsh maritime settings?

  
  A: The combination of tinned copper conductors, advanced EPR insulation, flame-retardant properties, and UV/oil-resistant outer sheath work together to ensure long-term reliability in corrosive and mechanically demanding environments.

• Q: How does the cable’s design facilitate easier on-site installation in busy port environments?

  
  A: Its flat, flexible design and reduced bending radius requirements simplify routing and handling, resulting in faster and more efficient installations.

• Q: How does the cable manage the impact of temperature fluctuations on electrical conductivity?

  
  A: The high-performance insulation materials maintain stable electrical properties across a wide temperature range, ensuring consistent conductivity even in variable climate conditions.

• Q: What benefits does the robust outer sheath provide in terms of durability and safety?

  
  A: The specially compounded polychloroprene (PCP) sheath offers superior protection against physical abrasion, chemical exposure, and environmental degradation, safeguarding the cable's internal components.

• Q: How does the cable ensure long-term durability under continuous mechanical stress?

  
  A: With a high permanent tensile strength of 15 N/mm² and a design optimized for frequent bending and dynamic loads, the cable maintains its integrity over an extended service life.

• Q: How does the cable contribute to improved energy efficiency in port operations?

  
  A: Its low conductor resistance and efficient current-carrying capacity reduce power losses, resulting in more energy-efficient operations for heavy machinery.

• Q: Why is the PROTOLON (FL)-LWL (N)TSFLCGEWOEU 3.6/6kV cable considered critical for modern port and shipbuilding projects?

  
  A: Its advanced integration of power and data transmission, combined with exceptional mechanical and environmental resilience, makes it an indispensable solution for ensuring safe, efficient, and reliable operations in challenging maritime and industrial environments.