NTSCGEWOEU 3 - 30 KV MEDIUM VOLTAGE FLEXIBLE CABLES FOR USE IN WATER WITH COPPER CORE SHIELD

      Feichun NTSCGEWOEU 3 - 30 KV MEDIUM VOLTAGE FLEXIBLE CABLES FOR USE IN WATER WITH COPPER CORE SHIELD

Applications:

Power supply cable for use in water, e.g. for connection to dredgers, floating docks, pumps, etc., in CABLE PROPERTIES applications where high mechanical stresses are to be expected. Also suitable for use in sewage, salt water and brackish water at water depths of up to 500 m. This screened cable design is suitable for the use with dredging equipment acc. VDE 0168.  

Structure:

1. Conductor                                                    Finely stranded copper, tinned, class 5 PE: individual concentric conductors                                                                                                distributed over the insulation of the three main cores.

2. Inner semi-conducting layer                Semi-conductive EPR

3. Core insulation                                           EPR rubber Special compound 3GI3

4. Outer semi-conducting layer               Semi-conductive EPR 

5. Protective Earth Conductor

6. Core arrangement                                   Three main conductor laid-up with individual concentric protective-earth conductor

7. Inner sheath                                               Special EPR compound waterproof                      

8. Outer sheath                                              Chlorinated polyethylene (CM/CPE) Special compound 5GM3 waterproof

STANDARDS / APPROVALS:

DIN VDE 0250-813                                         General

DIN VDE 0298-4                                              Electrical parameters

MSHA P-189-4                                                Certifications / Approvals

DIN EN 60811-404 / IEC 60811-404       Chemical behaviour

DIN EN 50525-2-21                                      Chemical behaviour

GOST -R/-K/-B Fire Certificate of           Certifications / Approvals

Russian Federation

DIN EN 60332-1-2 / IEC 60332-1-2         Fire performance

THERMAL PARAMETERS:

Max. conductor temperature                                                   90 °C

Max. conductor temperature at short circuit                   250 °C

Ambient temperature fix installation (min)                     -40 °C

Ambient temperature fix installation (max)                     80 °C

Ambient temperature flexible installation (min)           -25 °C

Ambient temperature flexible installation (max)           60 °C

CHEMICAL PARAMETERS:

Flame retardant                  In accordance with EN/IEC 60332-1-2

Oil resistant                          Yes

Ozone resistance                Yes

Resistant to UV                    Yes

Sea water resistance Excellent Max. water depth 500 m

MECHANICAL PARAMETERS:

Torsional stress +/-                                        25 °/m

Permanent tensile strength (rule)          15 N/mm²

Bending radius (rule)                     

Acc. to VDE 0298-3:                                      6 x D fixed installation

                                                                             10 x D flexible operation

ELECTRICAL PARAMETERS:

Rated voltage U0/U (Um) in kV                 1.8/3 (3,6) 3.6/6 (7.2) 6/10 (12) 8.7/15 (17.5) 12/20 (24) 14/25 (29) 18/30 (36)

Test voltage                                                       6 kV 11 kV 17 kV 24 kV 29 kV 36 kV 43 kV

Nominal voltage U                                         3,000 V 6,000 V 10,000 V 15,000 V 20,000 V 25,000 V 30,000 V

What Makes Feichun NTSCGEWOEU Cables Ideal for Use in Water?

Feichun NTSCGEWOEU cables stand out due to their unique construction and ability to withstand the harsh conditions found in water-based applications. These cables are engineered for use in water depths of up to 500 meters, including sewage, saltwater, and brackish water. They are specifically designed to handle mechanical stresses encountered in dynamic and submerged conditions, such as those seen with dredging equipment.

Structure of Feichun NTSCGEWOEU Cable:

  1. Conductor: The finely stranded copper, tinned conductor, class 5, is ideal for high flexibility and electrical performance. It is complemented by individual concentric conductors distributed over the insulation of the three main cores.

  2. Core Insulation: The core insulation is made from EPR rubber, a special compound (3GI3), which provides excellent electrical properties and resistance to environmental elements.

  3. Outer Sheath: The outer sheath is made from chlorinated polyethylene (CM/CPE), a special compound that ensures water resistance, durability, and protection against environmental factors.

  4. Shielding: The cable is equipped with a copper core shield, enhancing its performance by minimizing electrical interference and ensuring a robust power supply.


What Are the Key Applications of Feichun NTSCGEWOEU Cables?

Feichun NTSCGEWOEU cables are versatile and robust, making them suitable for a wide range of applications. These include:

  1. Dredging Equipment: Essential for powering dredgers and other marine equipment, where high mechanical stress is expected.

  2. Floating Docks and Pumps: Perfect for use in floating docks, water pumps, and other offshore systems that require flexible and reliable power cables.

  3. Marine and Underwater Operations: The cables are specifically designed for use in saltwater and brackish water, making them ideal for underwater cable installations.

  4. Sewage and Water Treatment Plants: With their high resistance to oils, ozone, and seawater, these cables are also suitable for sewage treatment facilities.


How Do Feichun NTSCGEWOEU Cables Compare with Other Medium Voltage Cables?

When compared to other medium voltage cables designed for similar applications, Feichun NTSCGEWOEU cables offer several advantages:

Feature

Feichun NTSCGEWOEU

Standard Medium Voltage Cables

Voltage Rating

3-30 kV

Typically 3-20 kV

Water Resistance

Excellent (up to 500m depth)

Moderate (up to 100m depth)

Mechanical Stress Resistance

High (for dredging equipment)

Moderate

Flexibility

High (for dynamic use)

Moderate

Chemical Resistance

Oil, Ozone, UV, Sea Water

Varies (typically less resistant)

Standards Compliance

VDE 0250-813, MSHA, IEC

Varies

Feichun NTSCGEWOEU cables not only have superior mechanical properties but also comply with global standards, ensuring optimal performance in underwater or harsh environments.


How Durable Are Feichun NTSCGEWOEU Cables in Extreme Conditions?

Feichun NTSCGEWOEU cables are built for extreme conditions, ensuring their longevity and reliable performance even in submerged and challenging environments.

  • Temperature Range: These cables can withstand a wide temperature range. The fixed installation temperature is from -40°C to +80°C, while flexible installation can operate between -25°C and +60°C.

  • Chemical and Mechanical Resistance: The cables are resistant to oils, UV, ozone, and sea water, making them ideal for offshore and underwater applications. Additionally, they can handle significant mechanical stress with a torsional stress tolerance of 25°/m and a permanent tensile strength of 15 N/mm².

  • Flame Retardancy: In accordance with IEC 60332-1-2, these cables are flame-retardant, ensuring safety in case of fire.


What Are the Key Benefits of Using Feichun NTSCGEWOEU Cables for Water-Based Applications?

  1. Enhanced Durability: With a robust structure, these cables are designed to last in the toughest conditions, from extreme underwater environments to high mechanical stress areas.

  2. Compliance with Global Standards: Feichun NTSCGEWOEU cables comply with various international standards, including MSHA, IEC, and VDE, ensuring their reliability and safety.

  3. High Flexibility: The finely stranded copper conductor and robust insulation make these cables highly flexible, suitable for dynamic use in aquatic environments.

  4. Efficient Energy Transmission: With excellent electrical parameters and low resistance, these cables ensure minimal energy loss, even over long distances.


What Are the Installation Considerations for Feichun NTSCGEWOEU Cables?

When installing Feichun NTSCGEWOEU cables, certain best practices should be followed to ensure optimal performance and safety:

  • Bending Radius: Follow the VDE 0298-3 guideline for bending radii – 6x D for fixed installations and 10x D for flexible operations.

  • Tensile Strength: Ensure the maximum tensile strength (15 N/mm²) is not exceeded during installation.

  • Environment: These cables are designed for submerged and underwater use, so it is essential to ensure proper sealing and waterproofing during installation.


FAQ About Feichun NTSCGEWOEU 3-30 kV Cables

  1. Can Feichun NTSCGEWOEU cables be used in saltwater?
    Yes, they are specifically designed to resist the corrosive effects of saltwater and are ideal for underwater and offshore applications.

  2. What is the maximum depth these cables can handle?
    These cables can be used in water depths of up to 500 meters.

  3. What is the voltage range of Feichun NTSCGEWOEU cables?
    The cables are available in a range of voltage ratings, from 3 kV to 30 kV.

  4. Are these cables suitable for dredging operations?
    Yes, they are specifically designed for high mechanical stress environments such as dredging operations.