Frequently Asked Questions (FAQ)

• Q: What is the PROTOLON (FL)-LWL (N)TSFLCGEWOEU 8.7/15kV cable?

  
  A: It is a flexible medium voltage flat reeling cable designed to handle high mechanical stresses while delivering both power and high-speed data via integrated fiber-optics, ideal for port shipbuilding and heavy-duty material handling.

• Q: What voltage rating does this cable have?

  
  A: The cable is rated at 8.7/15kV, with a maximum voltage up to 17.5kV, ensuring reliable performance in medium voltage applications.

• Q: How does the cable’s design support port operations?

  
  A: Its flat reeling design minimizes bending stress and wear during continuous movement, making it perfect for fast-moving container cranes and mobile equipment in ports.

• Q: What makes this cable suitable for shipbuilding and port environments?

  
  A: It is engineered to withstand dynamic tensile loads, multiple directional changes, and repeated roller bending, which are common in shipyards and port operations.

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

  
  A: The cable integrates fiber-optic elements—six optical tubes surrounding a central support—that allow for simultaneous transmission of electrical energy and high-speed data.

• Q: What are the key electrical features of the cable?

  
  A: It uses finely stranded, tinned copper conductors (Class 5) for low resistance, has a high current-carrying capacity, and features robust insulation to maintain stable power transmission.

• Q: How is the cable insulated for optimal performance?

  
  A: It employs high-performance EPR rubber insulation (PROTOLON HS with a special compound) along with inner and outer semi-conductive layers to ensure excellent electrical performance and safety.

• Q: What role does the outer sheath play?

  
  A: The outer sheath is made of durable polychloroprene (PCP) rubber with a specialized compound, providing superior resistance to oil, UV radiation, ozone, and flame.

• Q: Which international standards does the cable meet?

  
  A: It complies with 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 reliability.

• Q: How does the cable handle dynamic tensile loads?

  
  A: With a permanent tensile strength of 15 N/mm², it is designed to endure continuous dynamic loads and stresses encountered in high-performance crane and port operations.

• Q: What benefits does the flat reeling design provide?

  
  A: It reduces bending strain and friction during reeling, which minimizes wear and extends the cable's service life in environments with frequent directional changes.

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

  
  A: The cable undergoes rigorous high voltage tests (up to 24kV) and complies with multiple international standards to ensure safe and reliable operation.

• Q: What are the thermal operating limits of the cable?

  
  A: It can operate continuously at conductor temperatures up to 90°C and withstand short-circuit temperatures up to 250°C, making it suitable for demanding applications.

• Q: How does the cable perform in extreme ambient temperatures?

  
  A: It is designed for fixed installations from –50°C to 80°C and flexible installations from –35°C to 80°C, ensuring stable performance in both cold and hot environments.

• Q: How does the cable resist environmental degradation in port settings?

  
  A: Its materials and construction provide resistance to oil, UV light, ozone, and salt spray, common challenges in maritime and port environments.

• Q: What advantages do tinned copper conductors offer?

  
  A: Tinned copper conductors offer excellent conductivity and corrosion resistance, which are critical for long-term performance in harsh marine conditions.

• Q: How does the cable address the needs of heavy mobile equipment?

  
  A: Its robust design and high mechanical resilience allow it to endure the frequent movements and high dynamic loads typical in cranes and large moving equipment.

• Q: How does the integrated fiber-optic system enhance operations?

  
  A: It allows for simultaneous data transmission, enabling real-time monitoring, automation, and control systems that are vital for efficient port operations.

• Q: How does the cable manage rapid reeling speeds?

  
  A: It supports gantry reeling operations at speeds up to 120 m/min, ensuring quick deployment and minimal downtime during high-paced port activities.

• Q: What role does the parallel core arrangement play in electrical safety?

  
  A: The parallel core design ensures even current distribution and minimizes the risk of electrical hotspots, enhancing overall system safety.

• Q: How is the cable constructed to minimize installation complexity?

  
  A: Its flexible, flat profile and integrated design for both power and data simplify installation, reducing the need for multiple separate cables.

• Q: What maintenance benefits does the cable offer in port operations?

  
  A: Its durable construction reduces wear and tear, lowering maintenance frequency and costs, which is essential for continuous port and shipyard operations.

• Q: How does the cable protect against electrical surges?

  
  A: The robust insulation and conductor design help absorb and mitigate the effects of voltage surges, maintaining stable operation under unexpected load conditions.

• Q: How does the cable perform under continuous bending stress?

  
  A: Its design, including a recommended bending radius based on VDE 0298-3 guidelines, minimizes stress and preserves performance even during repetitive bending.

• Q: How does the cable improve energy efficiency in industrial applications?

  
  A: Low conductor resistance and high current-carrying capacity ensure minimal power loss, which is critical for energy-efficient operation in heavy-duty environments.

• Q: What impact does the cable’s fiber-optic integration have on shipyard automation?

  
  A: The fiber-optics enable real-time data communication for monitoring and control, facilitating improved automation and operational safety in shipbuilding processes.

• Q: How does the cable withstand the corrosive effects of saltwater and humidity?

  
  A: Advanced EPR rubber insulation and a specially compounded PCP outer sheath provide excellent protection against corrosive elements present in maritime climates.

• Q: How does the cable maintain performance during voltage fluctuations?

  
  A: Its robust electrical design and adherence to strict international standards ensure stable operation even with transient voltage variations.

• Q: What are the advantages of combining power and data transmission in one cable?

  
  A: This integration reduces installation complexity, lowers overall system costs, and enhances the reliability of both power distribution and data communication.

• Q: How does the cable enhance operational safety in port environments?

  
  A: Its flame retardant properties, robust insulation, and durable construction ensure that it operates safely under both normal and extreme conditions.

• Q: How does the cable perform in environments with heavy vibrations?

  
  A: The cable’s flexible design and high tensile strength allow it to absorb vibrations and shocks, ensuring uninterrupted performance in dynamic port operations.

• Q: How does the cable contribute to reducing operational downtime?

  
  A: Its high durability and low maintenance requirements minimize unexpected failures, ensuring continuous operation in busy shipyards and port facilities.

• Q: How does the cable's construction support high-current applications?

  
  A: The use of finely stranded, tinned copper conductors with a parallel core arrangement provides superior conductivity and high current capacity for heavy-duty applications.

• Q: How is the cable adapted for both fixed and flexible installations?

  
  A: It is engineered to perform reliably in fixed installations (for permanent port structures) and flexible installations (for mobile cranes and equipment), accommodating a wide range of operational scenarios.

• Q: Why is the PROTOLON (FL)-LWL (N)TSFLCGEWOEU 8.7/15kV cable essential for modern port and shipbuilding projects?

  
  A: Its combination of robust power delivery, integrated high-speed data communication, and exceptional resistance to harsh environmental conditions makes it indispensable for ensuring safe, efficient, and reliable operations in challenging maritime and industrial settings.