FeiChun PROTOMONT (V) NTSKCGECWOEU: High-Voltage Precision Cable for Advanced Underground Mining Applications
The FeiChun PROTOMONT (V) NTSKCGECWOEU 3.6/6 kV cable is engineered for high-voltage power transmission in demanding underground mining applications.
This advanced power supply cable is specifically designed to deliver reliable and consistent power to mobile mining equipment such as coal cutting machines and other machinery operating in extreme underground conditions.
With a focus on high-voltage performance, mechanical durability, and environmental resistance, the FeiChun PROTOMONT (V) cable ensures the smooth operation of mining systems, even in the most challenging environments.
In this article, we will provide an in-depth overview of the FeiChun PROTOMONT (V) NTSKCGECWOEU cable’s technical specifications, key features, and benefits for underground mining applications.
We will also explore how this cable can solve common challenges faced in underground mining, making it a reliable solution for customers who require a robust, flexible, and long-lasting cable system.
Key Technical Specifications
The FeiChun PROTOMONT (V) NTSKCGECWOEU cable is designed with a focus on high-performance and reliability. Below is a detailed breakdown of its technical specifications.
Electrical Characteristics
| Feature | Specification |
| Rated Voltage | U0/U (Um) 3.6/6 (7.2) kV |
| Nominal Voltage | 6,000 V |
| Primary Test Voltage | 11 kV |
| Control Cores Test Voltage | 2 kV AC |
The FeiChun PROTOMONT cable is capable of handling high-voltage power transmission, ensuring a stable supply of power to mobile mining equipment operating in underground conditions. The primary test voltage of 11 kV makes it suitable for heavy-duty applications that demand high electrical performance.
Conductor and Insulation Design
| Feature | Specification |
| Conductor Material | Very finely stranded copper, tinned (Class FS) |
| Conductor Configuration | Three main cores, double concentric control/PE and FO/PE conductor elements |
| Core Coloration | Main Cores: Natural color; Control Cores: Blue |
| Core Insulation | EPR rubber – PROTOLON Special Compound 3GI3 |
| Outer Semi-Conducting Layer | Semi-conductive NBR easy-strip |
| Inner Sheath | Rubber – Special EPR compound GM1b |
| Outer Sheath | Rubber – Polychloroprene (PCP) PROTOFIRM Special Compound |
The FeiChun PROTOMONT cable uses finely stranded tinned copper for its conductor, ensuring excellent electrical conductivity and flexibility. This design is ideal for use in mining applications where the cable must endure constant movement and tension.
The EPR rubber insulation provides excellent electrical and thermal properties, ensuring reliable power delivery in extreme underground conditions.
Optical Fiber Specifications
For mining operations that require communication systems, the FeiChun PROTOMONT cable offers multiple fiber options:
| Fiber Type | Specification |
| G62.5/125 μm Multi-mode Graded Index | Attenuation at 850 nm: < 3.3 dB/km, Bandwidth at 850 nm: > 400 MHz, Numerical Aperture: 0.275 ± 0.02 |
| G50/125 μm Multi-mode Graded Index | Attenuation at 850 nm: < 2.8 dB/km, Bandwidth at 1310 nm: > 1200 MHz, Numerical Aperture: 0.2 ± 0.02 |
| E9/125 μm Single-mode Graded Index | Attenuation at 1310 nm: < 0.4 dB/km, Attenuation at 1550 nm: < 0.3 dB/km, Numerical Aperture: 0.14 ± 0.02 |
These fiber options provide robust data transmission capabilities, which are essential for real-time communication between mobile equipment and control systems in mining operations.
Performance Envelope
The FeiChun PROTOMONT (V) cable is designed to perform reliably under the harshest underground conditions.
| Performance Attribute | Specification |
| Maximum Conductor Temperature | 90°C |
| Short Circuit Peak Temperature | 250°C |
| Operating Temperature (Fixed Installation) | -40°C to +80°C |
| Operating Temperature (Flexible Installation) | -20°C to +60°C |
| Flame Retardancy | Full compliance with EN/IEC 60332-1-2 |
| Chemical Resistance | Oil, Ozone, UV, Enhanced protection |
| Torsional Stress Tolerance | ±25°/m |
| Permanent Tensile Strength | 15 N/mm² |
| Bending Radius | Standard: 2.3 × Cable Diameter at 5 N/mm², Minimum for S-type Directional Changes: 20 × Cable Diameter |
The cable is designed to endure extreme temperature fluctuations, exposure to chemicals, and physical stress. Its torsional stress tolerance and high tensile strength make it ideal for use in mining environments where cables are subjected to constant movement, tension, and environmental hazards.
Comprehensive Standards Compliance
The FeiChun PROTOMONT cable complies with a wide range of international standards, ensuring its suitability for use in various global mining operations:
- DIN EN 60228 / IEC 60228 / VDE 0295
- DIN EN 60332-1-2 / IEC 60332-1-2
In addition, it holds certifications from organizations such as:
- GOST Fire Certificate (Russian Federation)
These certifications guarantee that the FeiChun PROTOMONT cable meets rigorous quality and safety standards.
Critical Challenges in Underground Mining Cable Applications
1. High-Voltage Power Transmission
Underground mining operations require cables capable of delivering high-voltage power reliably across long distances. These cables must:
- Handle extreme voltage requirements
- Deliver consistent power without interruptions
- Provide minimal signal interference for communication systems
FeiChun Solution:
The FeiChun PROTOMONT (V) cable is designed with advanced insulation technology and fiber optic communication options, ensuring the stability of power transmission even in the most challenging environments.
With a primary test voltage of 11 kV, this cable can handle the high-voltage demands of mining machinery, making it an excellent choice for coal cutting machines and other mobile equipment.
2. Mechanical Stress Management
Mining cables must withstand constant movement, tension, and abrasion from surrounding materials. The cable must also be able to withstand complex directional changes as it moves through cable protection chains.
FeiChun Solution:
The FeiChun PROTOMONT (V) cable features a robust, multi-layered conductor design, and is compatible with cable protection chains that absorb tensile forces.
With a permanent tensile strength of 15 N/mm² and the ability to endure torsional stresses of ±25°/m, this cable can handle the dynamic stresses present in underground mining environments.
3. Environmental Resilience
Cables used in underground mining operations are exposed to extreme conditions, including:
- Rapid temperature fluctuations
- Mechanical wear and tear from abrasions
FeiChun Solution:
The FeiChun PROTOMONT (V) cable is designed to resist oil, ozone, UV radiation, and other environmental factors.
It also operates across a wide temperature range, from -40°C to +80°C for fixed installations and -20°C to +60°C for flexible installations, ensuring that it remains functional in all environmental conditions.
Recommended Deployment Guidelines
To maximize the performance and lifespan of the FeiChun PROTOMONT (V) cable, the following deployment guidelines should be followed:
Pre-Installation Inspection:
Inspect the cable for any visible damage or defects.
Verify that the cable meets the voltage and environmental requirements of the installation site.
Compliance with Installation Guidelines:
Ensure the cable is installed according to the specified bending radius (2.3 × cable diameter for standard installation, 20 × cable diameter for S-type directional changes).
Follow the manufacturer's instructions for high-voltage installation.
Regular Maintenance and Monitoring:
Conduct monthly visual inspections and quarterly high-voltage performance testing.
Replace cables showing signs of wear or insulation damage immediately.
Conclusion
The FeiChun PROTOMONT (V) NTSKCGECWOEU 3.6/6 kV cable is an advanced solution for power transmission in underground mining applications. With superior mechanical durability, environmental resistance, and high-voltage performance, this cable is designed to handle the harsh conditions of coal cutting machines and other mobile mining equipment.
By choosing the FeiChun PROTOMONT (V) cable, mining operations can benefit from enhanced reliability, reduced downtime, and increased safety.
For more information on installation, maintenance, or customized solutions, contact FeiChun’s expert engineering team. Always consult local mining regulations and equipment guidelines when selecting high-voltage power supply cables.
By implementing FeiChun PROTOMONT (V) NTSKCGECWOEU cables, mining operators can achieve a higher level of operational efficiency, safety, and longevity for their underground equipment, ensuring a more productive and cost-effective mining operation.
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FeiChun PROTOMONT (V) NTSKCGECWOEU: High-Voltage Precision Cable for Advanced Underground Mining Applications Images
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