Feichun PROTOMONT (VO) Coal Cutter Cables for Chain Operation
Feichun Advanced PROTOMONT (VO) 3kV Coal Cutter Cables Designed for Chain Operations in Underground Mining
PROTOMONT (VO) Coal Cutter Cables for Chain Operation
Application | Used as power supply connection cable for mobile equipment and machines in underground mining applications, such as coal cutting machines, etc. (VO)-Coal-Cutter cables are designed for use in cable protection chains(cable handler), which are trailed behind the machine and which absorb the thereby occuring tensile forces. |
Global data | |
Brand | Feichun PROTOMONT(VO) |
Type designation | NTSKCGEWOEU |
Standard | DIN VDE 0250-813 |
Certifications / Approvals | MA – China |
Design features | |
Conductor | Finely-stranded copper conductor, tinned (class FS) |
PE-Conductor | 3 Double-concentric control / PE conductor elements in the outer interstices |
Insulation | PROTOLON, Basic material: EPR, Compound type: 3GI3 |
Electrical field control | Cold strippable outer layer of semiconductive rubber compound |
Core identification | Main cores: Natural color Control cores: Blue |
Core arrangement | Three main cores laid-up, with double concentric control / PE conductor elements in the outer interstices, length of lay approx. 6 x D |
Inner sheath | Vulcanized rubber inner sheath, Basic material: EPR, Compound type: better GM1B |
Outer sheath | PROTOFIRM, Basic material: synthetic elastomer compound e.g. CM, Compound type: 5GM5, Color: Red |
Electrical parameters | |
Rated voltage | 1.8/3 kV |
Maximum permissible operating voltage AC | 2.1/3.6 kV |
Maximum permissible operating voltage DC | 2.7/5.4 kV |
AC test voltage | 6 kV |
AC test voltage - Control Cores | 2 kV |
Chemical parameters | |
Resistance to fire | EN 60322-1-2, IEC 60322-1-2 |
Resistance to oil | EN 60811-404, IEC 60811-404 |
Weather resistance | Unrestricted use outdoors and indoors, resistant to ozone and moisture |
Thermal parameters | |
Max. permissible temperature at conductor | 90 °C |
Max. short circuit temperature of the conductor | 250 °C |
Ambient temperature for fix installation min. | -40 °C |
Ambient temperature for fix installation max. | 80 °C |
Ambient temp. in fully flex. operation min. | -20 °C |
Ambient temp. in fully flex. operation max. | 60 °C |
Mechanical parameters | |
Tensile load on the conductor max. | 15 N/mm² |
Bending radii min. | Acc. to DIN VDE 0298 part 3 |
Bending radii min. | 2.3 x D at a tensile load of max. 5 N/mm² |
Minimum distance with S-type directional changes | 20 x D |
Number of cores x cross section | Part number | Conductor diameter max. (mm) | Outer diameter min. (mm) | Outer diameter max. (mm) | Net weight approx. (kg/km) | Permissible tensile force max. (N) | Conductor resistance at 20°C max. (Ω/km) | Nom. operating capacitance (µF/km) | Inductance nom. (mH/km) | Current carrying capacity (A) | Short Circuit Current (conductor) (kA) |
|---|---|---|---|---|---|---|---|---|---|---|---|
3x25+3x(1,5STKON+16/3KON) | - | 7.1 | 37.8 | 40.8 | 2500 | 1125 | 0.795 | 0.28 | 0.34 | 131 | 3.58 |
3x35+3x(1,5STKON+16/3KON) | - | 8.4 | 42 | 45 | 3150 | 1575 | 0.565 | 0.31 | 0.33 | 162 | 5.01 |
3x50+3x(1,5STKON+25/3KON) | - | 10.1 | 45.7 | 48.7 | 3950 | 2250 | 0.393 | 0.36 | 0.31 | 202 | 7.15 |
3x70+3x(1,5STKON+35/3KON) | - | 11.9 | 50.9 | 54.9 | 5000 | 3150 | 0.277 | 0.42 | 0.3 | 250 | 10.01 |
3x95+3x(1,5STKON+50/3KON) | 20069403 | 14 | 56.3 | 60.3 | 6350 | 4275 | 0.21 | 0.45 | 0.29 | 301 | 13.59 |
3x120+3x(1,5STKON+70/3KON) | 20069404 | 15.5 | 60.1 | 64.1 | 7800 | 5400 | 0.164 | 0.49 | 0.28 | 352 | 17.16 |
3x150+3x(1,5STKON+70/3KON) | 20026143 | 17.2 | 65.6 | 69.6 | 9000 | 6750 | 0.132 | 0.54 | 0.28 | 404 | 21.45 |
3x185+3x(1,5STKON+95/3KON) | 20070763 | 19.1 | 69.7 | 73.7 | 10500 | 8325 | 0.108 | 0.59 | 0.27 | 461 | 26.46 |
3x240+3x(1,5STKON+120/3KON) | - | 22 | 77.8 | 81.8 | 13500 | 10800 | 0.0817 | 0.67 | 0.26 | 544 | 34.32 |
3x300+3x(1,5STKON+150/3KON) | - | 24.8 | 83.4 | 88.4 | 17110 | 13500 | 0.0654 | 0.74 | 0.25 | 626 | 42.9 |
Introduction:
In the shadowy depths of underground mines, where machinery battles against relentless rock and dust, the reliability of power supply can mean the difference between seamless operations and costly downtime. Enter the PROTOMONT (VO) 3kV coal cutter cables, a pinnacle of cable technology engineered specifically for chain operations in harsh mining environments. These cables, often referred to as (N)TSKCGEWOEU in technical nomenclature, are not just wires; they are lifelines that transmit high-voltage power to mobile equipment like coal cutters, ensuring continuous productivity while prioritizing safety.
Developed by Feichun, a leader in mining cable solutions, the PROTOMONT (VO) series embodies decades of innovation in materials science and electrical engineering. Drawing from standards like DIN VDE 0250-813 and certified by MA in China, these cables are tailored for use in cable protection chains—systems that trail behind machines to absorb tensile forces. This design mitigates the mechanical stresses inherent in dynamic mining setups, where cables are constantly flexed, twisted, and pulled.
As underground mining evolves with automation and deeper excavations, the demand for robust, flexible cables has surged. The PROTOMONT (VO) addresses this by combining finely-stranded tinned copper conductors with advanced PROTOLON insulation and PROTOFIRM outer sheathing.
Benefits: Why PROTOMONT (VO) Stands Out in Chain Operations
The PROTOMONT (VO) coal cutter cables deliver a suite of benefits that directly translate to operational efficiencies and safety enhancements in underground mining.
Foremost is their mechanical resilience. Engineered for chain operations, these cables absorb high tensile forces without compromising integrity, reducing wear from constant reeling and unreeling. This durability extends service life, minimizing replacement costs and downtime—critical in remote mine sites where logistics are challenging.
Electrically, the optimized core arrangement and semiconductive layers ensure stable power transmission, even amid voltage fluctuations or interference from nearby equipment. High current-carrying capacities support powerful coal cutters, boosting productivity.
Environmental resistance is a game-changer. Oil-resistant sheathing prevents degradation from lubricants, while ozone and moisture tolerance suits humid, corrosive tunnels. Their fire-retardant properties align with global safety protocols, potentially saving lives in emergencies.
Compliance with DIN VDE 0250-813 and MA certifications facilitates international deployment, from Chinese collieries to African shafts. This versatility appeals to multinational mining firms seeking standardized equipment.
Economically, the cables' longevity and low maintenance needs yield a strong return on investment. By preventing power failures, they help maintain continuous operations, where even brief halts can cost thousands in lost output.
In essence, PROTOMONT (VO) cables embody a holistic approach: not just conducting electricity, but enabling safer, smarter mining.
Usage Scenarios: From Coal Faces to Deep-Level Excavations
PROTOMONT (VO) coal cutter cables excel in scenarios involving mobile equipment in underground mining, particularly where chain handlers manage cable movement.
Primary applications include powering coal shearers and continuous miners in longwall or room-and-pillar setups. As the machine advances, the cable trails via a protection chain, absorbing tensile stresses up to 15 N/mm². This is ideal for coal seams with varying geology, where flexibility prevents snags.
In tunneling operations, they supply boring machines, ensuring uninterrupted power during excavation. Their thermal range suits cold, deep mines or warmer shallow ones.
Beyond coal, these cables adapt to potash or salt mining, where abrasive dust demands robust sheathing. In automated systems, integrated control cores enable remote monitoring, enhancing precision.
Globally, they're deployed in high-output mines, from Australia's seams to Europe's legacy operations, proving their adaptability.
Installation and Maintenance Recommendations: Ensuring Longevity
Proper installation is key to maximizing PROTOMONT (VO) performance. Begin with site assessment: measure chain paths to calculate required lengths, factoring in bends (minimum 2.3x diameter) and directional changes (20x diameter min).
During setup, avoid exceeding tensile limits—use tension-monitoring tools. Secure cables in handlers with clamps that distribute stress evenly. For terminations, strip semiconductive layers carefully to maintain field control.
Maintenance involves regular inspections: check for abrasion, cuts, or swelling every shift. Use non-destructive testing like insulation resistance checks to detect faults early. Clean with mild solvents to remove dust, and store spares in cool, dry areas.
In humid mines, monitor for moisture ingress; apply sealants at joints. Train personnel on handling to prevent kinks. Following these steps can extend cable life beyond 5 years in intensive use.
Frequently Asked Questions: Addressing Common Queries
What makes PROTOMONT (VO) suitable for chain operations?
Their design absorbs tensile forces via flexible conductors and robust sheathing, ideal for trailing chains.
How do they handle extreme temperatures?
With a conductor max of 90°C and ambient ranges from -40°C to +80°C, they're versatile for various mine climates.
Are they compliant internationally?
Yes, certified to DIN VDE 0250-813 and MA standards, plus fire and oil resistance per EN/IEC norms.
What's the typical lifespan?
3-7 years, depending on usage; regular maintenance extends this.
Can they be customized?
Feichun offers variants in cross-sections for specific power needs.
How to troubleshoot failures?
Inspect for mechanical damage; test resistance and insulation integrity.
A Cable for the Future of Mining
The PROTOMONT (VO) 3kV coal cutter cables represent a fusion of cutting-edge materials and engineering, tailored for the rigors of underground mining chain operations. From their precise technical specs to tangible benefits like reduced downtime, they empower miners worldwide. As seen in South Africa's Witbank case, they deliver real-world gains in efficiency and safety.
For mining professionals, investing in such technology isn't just about power—it's about progress. Contact Feichun for tailored solutions and elevate your operations today.
