Frequently Asked Questions (FAQ)

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

  
  A: It is a flexible medium voltage flat reeling cable with integrated fibre-optics designed for the combined transmission of power and data.

• Q: What is the rated voltage of this cable?

  
  A: The cable is rated at 8.7/15 kV, with a test voltage of 24 kV, ensuring robust performance in medium voltage applications.

• Q: Which industries benefit most from this cable?

  
  A: It is ideal for port shipbuilding, maritime operations, container cranes, and heavy mobile equipment used in ports and shipyards.

• Q: How is the cable used in port and shipyard environments?

  
  A: It supplies both electrical power and high-speed data, supporting the operation of fast-moving cranes, tugboats, and other heavy-duty port machinery.

• Q: What international standards does the cable meet?

  
  A: It complies with several standards, including DIN VDE 0250-813, DIN EN 60228/IEC 60228, DIN EN 60811-404/IEC 60811-404, HD 2216, and DIN VDE 0298-4.

• Q: How does the integrated fibre-optic system enhance the cable’s performance?

  
  A: The built-in fibre-optic elements allow simultaneous, high-speed data transmission along with power, which is essential for modern automated port systems.

• Q: What type of conductor is used in this cable?

  
  A: It features finely stranded, tinned copper conductors (Class 5) that ensure excellent electrical conductivity and durability.

• Q: What materials are used for the cable insulation?

  
  A: The cable uses high-performance EPR rubber (PROTOLON HS) with both inner and outer semi-conductive layers for superior electrical insulation.

• Q: How does the flat reeling design benefit high-stress applications?

  
  A: Its flat profile minimizes bending stresses and wear during dynamic tensile loads and frequent directional changes, especially on rollers.

• Q: Can this cable handle extreme environmental conditions?

  
  A: Yes, it is engineered to withstand harsh conditions, including extreme temperatures, oil exposure, UV radiation, and ozone.

• Q: What is the maximum continuous operating temperature for this cable?

  
  A: The cable can continuously operate at a maximum conductor temperature of 90°C and up to 250°C during short-circuit conditions.

• Q: How is the cable’s outer sheath constructed?

  
  A: The outer sheath is made of durable polychloroprene (PCP) rubber, enhanced with special compounds to resist abrasion, oil, and UV exposure.

• Q: What is the advantage of a parallel core arrangement?

  
  A: This design ensures even current distribution, improved electrical performance, and enhanced overall safety.

• Q: How are the fibre-optic elements configured within the cable?

  
  A: The optical system comprises six tubes arranged around a central support element, with options for one to three optical fibers per tube.

• Q: What types of fibre-optic cables are integrated?

  
  A: It includes both multi-mode (e.g., G62.5/125 µm and G50/125 µm) and single-mode (e.g., E9/125 µm) graded index fibres, suitable for various data transmission needs.

• Q: How does the cable maintain reliable data transmission?

  
  A: With high bandwidth capabilities, low attenuation rates, and robust optical components, it ensures stable, high-quality data signals over long distances.

• Q: What is the permanent tensile strength of this cable?

  
  A: It has a permanent tensile strength of 15 N/mm², making it highly resilient during mechanical reeling and operational stresses.

• Q: What reeling speeds can be achieved with this cable?

  
  A: The cable is designed for high-speed reeling operations, supporting travel speeds up to 120 m/min.

• Q: How is the cable tested for electrical and mechanical performance?

  
  A: It undergoes rigorous testing, including high voltage tests (up to 24 kV) and compliance checks with multiple international standards.

• Q: How does the cable manage thermal loads in high-demand environments?

  
  A: Its design and materials efficiently dissipate heat, ensuring stable operation under continuous load and during short-circuit events.

• Q: Is the cable flame retardant?

  
  A: Yes, it meets the EN/IEC 60332-1-2 standard for flame retardancy, making it safe for high-risk industrial applications.

• Q: Can the cable be installed in both fixed and flexible settings?

  
  A: Absolutely. It is suitable for fixed installations as well as flexible applications, with ambient temperature ranges designed for each.

• Q: What is the significance of the cable’s flat design in industrial applications?

  
  A: The flat design reduces bending stress and friction, which is particularly important in roller-based and continuously moving systems.

• Q: How does the cable perform under mechanical fatigue?

  
  A: Its robust construction and quality materials ensure long-term performance even when subjected to frequent bending and dynamic loads.

• Q: Is this cable appropriate for ship-to-shore power and data transmission?

  
  A: Yes, its dual capability of carrying both power and high-speed data makes it ideal for ship-to-shore connections in port environments.

• Q: How do the special compounds used in the cable improve its performance?

  
  A: They enhance the cable’s insulation, durability, and resistance to environmental hazards such as oil, UV light, and ozone.

• Q: How does this cable simplify installations in shipyards and ports?

  
  A: By combining power and data transmission into one cable, it reduces the need for multiple lines, thus simplifying installation and maintenance.

• Q: What electrical properties ensure the cable’s efficiency in industrial settings?

  
  A: It offers low conductor resistance and high current-carrying capacity, essential for powering heavy machinery reliably.

• Q: Does the cable have oil and chemical resistance?

  
  A: Yes, its robust design includes oil-resistant and chemically stable materials, making it suitable for industrial and maritime environments.

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

  
  A: The recommended bending radius is based on the cable’s diameter, following VDE 0298-3 guidelines: 6×D for fixed installations, 10×D for flexible operations, and 20×D for S-type directional changes.

• Q: What makes this cable ideal for port shipbuilding applications?

  
  A: Its combination of power and data capabilities, along with high mechanical and environmental resistance, meets the demanding needs of port and shipyard operations.

• Q: How does the integrated fibre-optic system enhance operational monitoring?

  
  A: The fibre-optics enable real-time data transmission, which is crucial for monitoring, diagnostics, and automation in large-scale industrial operations.

• Q: How is the cable designed to cope with on-site installation challenges?

  
  A: Its flat, flexible design, combined with robust mechanical properties, makes it easier to handle, route, and install in challenging on-site environments.

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

  
  A: Depending on the specific configuration, the cable provides high current-carrying capacity, supporting demanding industrial applications.

• Q: How does this cable contribute to overall operational efficiency in port facilities?

  
  A: By integrating both power and communication functions into one solution, it minimizes downtime, simplifies system architecture, and improves overall reliability in complex port infrastructures.