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Mining & Tunnelling Cables

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Mining & Tunnelling Cables Mining & Tunnelling Cables Linking the Future As the worldwide leader in the cable industry, distribute and install cables and systems for the Prysmian Group believes in the effective, transmission and distribution of power at low, efficient and sustainable supply of energy and medium, high and extra-high voltage. information as a primary driver in the development of communities. In telecoms, the Group is a leading manufacturer of all types of copper and fibre cables, systems With this in mind, we provide major global and accessories - covering voice, video and data organisations in many industries with best-in- transmission. class cable solutions, based on state-of-the-art technology. Through two renowned commercial Drawing on over 130 years’ experience and brands - Prysmian and Draka - based in almost continuously investing in R&D, we apply 100 countries, we’re constantly close to our excellence, understanding and integrity to customers, enabling them to further develop the everything we do, meeting and exceeding the world’s energy and telecoms infrastructures, and precise needs of our customers across all achieve sustainable, profitable growth. continents, at the same time shaping the In our energy business, we design, produce, evolution of our industry. What links global expertise to the wheels of industry? High-performing cable solutions to keep the wheels of industry turning. On every continent, in applications that range and service platforms, built on easy contact, from air and rail transport infrastructure to heavy customised solutions and effective supply chains, duty industries such as mining, tunnel drilling and meeting their specialised requirements, to help defence, Prysmian’s specialist cable solutions sit them drive the wheels of industry and achieve at the heart of significant international projects; sustainable growth and profitability. As the supporting the work of major customers, with worldwide leader in the cable industry, Prysmian high-performing, durable and safe technology. Group believes in the effective, efficient and As the world leader in cabling, we draw on global sustainable supply of energy and information expertise and local presence to work in close as a primary driver in the development of proximity with our customers, delivering products communities. Benefits Prysmian Group’s Mining and Tunnelling cables offer significant benefits to a broad variety of specialized Application mining professionals such as OEMs, specifiers, contractors, installers, mining companies and more. These benefits include: Opencast and underground mining requires ever- mining applications, particular requirements such Unique Mechanical Performance have the smallest possible dimensions. For increasing performance of machines and methods. as mechanical strength and safety have led to the Prysmian Group’s Mining and Tunnelling cables instance, in MV cables: This has led to the large machines in use today. On use of high-grade mechanically resistant rubber. have been designed to withstand extreme bucket wheel and dragline excavators for instance, conditions in terms of: • Dimension - up to 30% less and yet in strict installed power of more than 15 MW and voltages Prysmian Group has developed extensive know-how compliance with the existing standards. up to 35 kV are no longer unusual. over many years about the special operational • Tensile loads • Weight - higher cable performance allow up to conditions of opencast and underground mining. • Torsional stresses occurring during a 40% reduction in the cable weight. These large, movable machines require medium The decisive factor was close cooperation with misalignment of cable guidance systems and • Robustness - higher physical/mechanical voltage flexible reeling and trailing cables for power many significant mining companies. oblique pay out resistance, exceeding standard requirements supply and are suitable for operation under the • Minimum bending radius at any ambient in terms of abrasion, cut-through and repeated most extreme conditions. The experience we gain every day contributes to the temperature range and stress conditions bending. design of our mining cables. The high operational • High travel speeds and acceleration. Prysmian and Draka branded reeling and trailing reliability and service life of Prysmian's reeling and Customised and Multifunctional Engineering cables for opencast and underground mining have trailing cables for mining is based on this Chemical and Climate Resistance Prysmian designs, compounds and builds cables been field-proven worldwide for decades. In these experience. Prysmian Group’s Mining and Tunnelling according to specific customer needs. cables have been designed to withstand the This allows us to have an exhaustive product most severe conditions. For these applications range covering all functionalities (MV/LV, Prysmian has developed the high performance Instrumentation and Control, Optical fibres). Glossary compounds that are used in Mining and Prysmian designs multifunctional cables from Tunnelling cables to guarantee resistance to the simplest to the most sophisticated. Opencast Mining mined material is extracted across a horizontal extreme conditions (such as high-speed, oil and Opencast mining is a surface mining technique of plane making horizontal arrays of rooms and pillars. fuel, mud, moisture, and acids and basis), as well Longer Lifetime extracting rock or minerals from the earth by their The ore is extracted in two phases: first leaving as to harsh environments (for instance, extreme Prysmian Group’s Mining and Tunnelling cables removal from an open pit or borrow. "pillars" of untouched material to support the roof low/hot temperature, UV irradiation and ozone). guarantee an extended working lifetime (lower overburden and extracting open areas or "rooms" failure rate) in comparison with standard and Underground Mining underground, then extracting left pillars partially. Miniaturised traditional Mining and Tunnelling cables. As a Prysmian Group’s Mining and Tunnelling cables consequence the total cost of ownership is lower. It is usually used for relatively flat-lying deposits, Longwall Mining (Coal Shearer) such as those that follow a particular stratum. Longwall mining is a form of underground mining where a long wall of coal is mined in a single slice Continuous Miners have a large rotating drum that (typically 0.6–7.0 m thick). The longwall panel (the moves up and down. block of coal that is being mined) is typically 3–4 km Strong bits on the drum cut the coal. As the coal long and 250–400 m wide. The coal is cut from the falls, large arms under the drum gather the coal coalface by a machine called the shearer. onto a conveyor chain. The conveyor chain carries the coal to the back of Board/Room and Pillar Mining the machine. (Continuous Miner) LHD (Load, Haul, Dump) remove the ore from the Room and pillar is a mining system in which the stope. Type SHD-GC General requirements from ICEA S-75-381, NEMA WC58, CSA and MSHA prescriptions. The family covers from 2 kV Our Products and Brands (multicore) and 5 kV-25 kV (single- and multicore). Construction: two ground wires and insulated ground check, class 1 tinned PROTOMONTTM and PROTOLONTM copper (flexible), 90 °C rated EPR, tinned copper braid shield, Type SHD-GC Worldwide very well-known brands for mining applications. CPE sheath. Mainly used in North and South America. The family covers single- and multicore cables from 100 V to 35 kV. Power cables, signaling cables and fibre optic cables for mining Type G-GC operations are available. General requirements from ICEA S-75-381, NEMA WC58, TM CSA and MSHA prescriptions. The family covers from 2 kV TENAXTM PROTOMONT The Draka brand TENAX is well known for premium mining cables. (multicore) and 5 kV-25 kV (single- and multicore). Construction: It covers single- and multicore cables. Flexible cables for reeling, two ground wires and insulated ground check, class 1 tinned trailing and fixed installations are available. copper (flexible), 90 °C rated EPR, CPE sheath. Mainly used in Type G-GC North and South America. CORDAFLEXTM The brand CORDAFLEX is worldwide well-known as low voltage Type G, W (0.6/1 kV) reeling cable. In mining applications it is used for General requirements from ICEA S-75-381, NEMA WC58, TENAXTM underground scoop/LHD operations and in opencast stacker/ CSA and MSHA prescriptions. The family covers from 2 kV reclaimer operations. (multicore) and 5 kV-25 kV(single- and multicore). Construction: two ground wires and insulated ground check, class 1 tinned TM Type G SUPROMONT copper (flexible), 90 °C rated EPR, CPE sheath, textile reinforcing SUPROMONT is a typical underground cable for fixed installation braid. and as feeder cable for shiftable MV equipment in tunnelling sites. AIRGUARDTM NSSHOEU CORDAFLEXTM NSSHOEU is the standard flexible cable for the use in underground General requirements from MSHA or CSA MPF or MPF-GC. The and opencast mines (voltage 0.6/1 kV). product uses proprietary Prysmian AIRGUARD Technology – eliminating need for metallic armoring. Product available from TUNNELFLEX 5 kV-35 kV, with class 2 bare copper conductor. 90 °C XLPE or AIRGUARDTM These flexible cables are used for tunnelling sites. Available as low 105 °C EPR insulation with extruded semi-conductive layer, voltage cable (0.6/1 kV) and as reeling cable for TBM (tunnelling polymeric AIRGUARD armor layer, DRYLAM sealed aluminum boring machines) with MV 6/10 up to 18/30 kV. tape available, CPE or PVC sheath. SUPROMONTTM MINEMASTERTM Teck Flexible and semi-flexible cables acc. local standard AS/NZS 1802 Low voltage and medium voltage cables, with XLPE insulation for use in underground mines, e.g. Type 241. Flexible and semi- and aluminum or galvanized steel interlock armor. Design flexible cables acc. local standard AS/NZS 2802 for use in opencast Teck according to CSA. mines, e.g. Type 450. Different cable types for trailing, reeling and semi-fixed installation available. Fibre Optic SUPERPRENETM TUNNELFLEX General requirements from MSHA, TIA/EIA-568, ANSI/ICEA Brazil made cables acc. ICEA S-75-381 and NBR. Types SHD-GC, S-104-696, UL-1666, CSA 22,2; Telecordia GR-409, Telecordia G-GC, W and G.
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