PROTOLON(M)-R Medium Voltage Reeling Cable - Engineering Excellence for Mining Applications
Feichun Cable’s PROTOLON(M)-R Medium Voltage Reeling Cable sets the standard for high-performance electrical solutions in the mining and heavy industrial sectors.
Specifically designed for high mechanical stress environments, this cable is built to withstand the rigorous demands of open-cast mining operations, particularly for large material handling machines such as excavators, dumpers, and mobile crushers.
The PROTOLON(M)-R stands out due to its flexibility, durability, and exceptional resistance to environmental factors. With state-of-the-art manufacturing processes and advanced materials, it ensures reliability and safety in even the most challenging mining environments.
II. Product Specifications
A. Technical Fundamentals
The PROTOLON(M)-R cable offers a wide range of voltage ratings to meet varying operational needs:
- Voltage Ratings: From 3.6/6 kV up to 20/35 kV, ensuring compatibility with diverse power systems.
- Core Configuration: The cable features a robust core layout with three main conductors and a protective earth conductor. This ensures reliable performance even under heavy mechanical stress.
- Conductor Composition: The conductors are made from electrolytic copper—not tinned—finely stranded (Class FS) for superior electrical conductivity and flexibility.
B. Design Architecture
- Insulation Material: The PROTOLON EPR compound insulation is designed to withstand extreme conditions, offering excellent electrical field control and superior temperature resistance.
- Core Identification System: Each core is naturally colored with black semiconductive rubber, marked with white digits (1 to 3) for easy identification during installation and maintenance.
- Sheath and Reinforcement: The cable features a durable outer sheath made from synthetic elastomer compound, such as CR, and is reinforced with polyester thread braiding for added strength.
- Color Coding: The outer sheath is colored red for easy visual recognition.
III. Performance Capabilities
A. Electrical Parameters
The PROTOLON(M)-R excels in delivering stable, high-performance electrical power under demanding conditions:
- Maximum Permissible Operating Voltages:
- AC: 4.2/7.2 kV
- DC: 5.4/10.8 kV
- AC Test Voltage: Up to 11 kV, ensuring reliable operation under various testing conditions.
- Current Carrying Capacities: Varies depending on the cable cross-section, with some configurations capable of carrying up to 620 A.
B. Mechanical Characteristics
The PROTOLON(M)-R is engineered for high mechanical loads and long-lasting performance:
- Tensile Load Tolerance: Withstands up to 25 N/mm² of tensile stress, ensuring the cable maintains its integrity during extreme handling conditions.
- Bending Radii: According to DIN VDE 0298 Part 3, the minimum bending radius is 20 x D, providing flexibility in installation.
- Travel Speed Capabilities: Suitable for operational speeds of up to 60 m/min, with rewinding speeds up to 100 m/min.
- Torsional Stress Resistance: The cable can withstand up to 100°/m torsional stress, making it ideal for reeling and uncoiling operations.
IV. Environmental Robustness
A. Thermal Performance
The PROTOLON(M)-R cable operates effectively across a wide temperature range:
- Max Permissible Temperature at Conductor: 90°C for continuous operation.
- Short Circuit Temperature: Capable of withstanding up to 250°C for short-duration events.
- Flexible Operation: Suitable for temperatures ranging from -35°C to +60°C when in flexible use, and -40°C to +80°C for fixed installation.
B. Chemical and Environmental Resistance
The cable is designed to thrive in harsh environments, providing protection against:
- Fire Resistance: Meets EN 60332-1-2 and IEC 60332-1-2 standards.
- Oil Resistance: Certified to EN 60811-404 and IEC 60811-404, making it ideal for environments with exposure to oils.
- UV, Ozone, and Moisture Protection: The cable offers full protection against UV radiation, ozone, and moisture, making it suitable for both indoor and outdoor applications.
V. Specialized Mining Applications
A. Intended Usage
The PROTOLON(M)-R is particularly well-suited for:
- Large Material Handling Machines: Perfect for excavators, dumpers, and mobile crushers used in open-cast mines.
- Compatibility: Works seamlessly with mono spiral reels and cylindrical reels, making it flexible for various reeling applications.
B. Unique Advantages in Mining Environments
This cable is tailored for the unique challenges of mining:
- High Mechanical Stress Tolerance: Designed to endure the demanding physical forces present in mining operations.
- Flexibility Under Extreme Conditions: Whether in flexible reeling or fixed installations, this cable maintains its form and function, reducing the risk of downtime.
- Reliability: Provides consistent performance under tough environmental conditions, ensuring operational continuity in mines around the world.
VI. Compliance and Certifications
The PROTOLON(M)-R cable meets rigorous international standards:
- DIN VDE 0250-813: Complies with industry-leading standards for medium voltage cables.
- MSHA P-189-4 Certification: Certified for use in mining applications by the Mine Safety and Health Administration (MSHA) in the United States.
- Russian Federation Fire Certificate: Meets local fire safety standards in Russia.
- GOST K and GOST B Approvals: Recognized in the Russian Federation, ensuring safety and reliability in local mining applications.
VII. Installation and Maintenance
A. Installation
The PROTOLON(M)-R is easy to install, with material sets available for self-assembly or factory termination by the manufacturer. Some key installation tips include:
- Ensure the cable is installed with the correct bending radius and tension to prevent damage.
- Use appropriate reels for smooth reeling and uncoiling operations.
B. Maintenance
- Perform regular inspections to detect wear, abrasion, or other signs of damage, especially in high-stress areas.
- Check for any changes in electrical resistance or insulation integrity during operation.
VIII. Conclusion
Feichun Cable's PROTOLON(M)-R Medium Voltage Reeling Cable represents the ultimate solution for high-performance mining applications. With advanced materials, superior mechanical and electrical performance, and robust environmental resistance, it ensures continuous and reliable operation in even the harshest mining conditions.
Future-forward technology, compliance with international standards, and a commitment to mining industry excellence make the PROTOLON(M)-R the go-to choice for mining companies worldwide.
This article provides a comprehensive understanding of the PROTOLON(M)-R cable’s capabilities, making it easier for customers to see how it solves their needs for reliable, high-performance cables in open-cast mining and other heavy industrial applications.
The key features—such as flexibility, mechanical stress resistance, and environmental resilience—address the challenges faced by mining operations globally. By choosing Feichun Cable, customers are investing in a product that not only meets but exceeds their operational requirements.
Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.
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