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Catenary Wires And Conductors Used In Railway Electrification

Catenary wire (also called a messenger wire) has closely spaced drops which support the actual contact wire. The messenger (or catenary) wire needs to be both strong and have good conductivity. They used multi-strand wires (or cables) with 19 strands in each cable (or wire). Copper, aluminium, and/or steel were used for the strands. All the 19 strands could be of the same metal or some strands could be of steel for strength with the remaining strands of aluminium or copper for conductivity. Another type looked like it had all copper wires but inside each wire was a steel core for strength. The steel strands were galvanized but for better corrosion protection they could be coated with an anti-corrosion substance. The Catenary wire comprises 19 strands of cadmium copper, each strand of 2.10 mm dia, with overall dia of 10.5 mm having about 80% conductivity and 65 sq. mm cross-sectional area. The contact wire is a solid hard drawn grooved electrolytic. Copper of 12.24 mm dia and 107 sq. mm cross-sectional area. The total current carrying capacity of both wires is 600 Amps. The condemning size of contact wire is 8.25 mm. The wires and cable industry in India has come a long way, growing from being a small industry to a very large one, over the past decade. With the segment comprising nearly 40 per cent of the electrical industry in India, the increasing demand for power, light and communication has kept demand for wires and cables high. Growing at a CAGR of 15 per cent, boosted by momentum in the power and infrastructure segments. The present estimated per capita consumption is only about 0.5 kg. As GoI is focusing on ´Make in India´, the industry can grow at similar rate for the next five years. The India structured cabling market was valued at $419.4 million in 2017 and is forecasted to witness a CAGR of 12.9% during 2018–2023. Growing demand for copper cables, surging data center market, increasing number of product launch activities, and rising demand for better bandwidth are supporting the structured cabling market growth in India. Growing domestic market, priority for infrastructure development, improved life-style and newer opportunities, have propelled the Indian copper industry, specially for wires and cables. The growing trend in building, construction and automobile sectors is expected to keep demand of copper high. Understanding the copper technology involved in copper production, exploration, mining, and the uses of copper, as well as the global industry structure would impact copper mining, the environment, the various markets of copper, etc. The industry is affected by the price trends of copper, market performance, import/export scenario, the physical market trends, demand for copper, and of course, a market forecast. According to their Indian Electrical Equipment Industry Mission Plan 2012-2022, the government has planned to make India the country of choice for the production of electrical equipment and reach an output of $100 billion by balancing exports and imports. Requirement of electrical equipment is one of the most important inputs for the development of the power sector. The user enjoys right for safe and quality products and should be quality conscious while selecting the make. As a whole any entrepreneur can venture in this project without risk and earn profit. Few Indian major players are as under Elite Conductors Ltd Dharmadeep Powerdive Inds. Ltd Copper Semis Pvt. Ltd. Chandra Metals Pvt. Ltd. G K Winding Wires Ltd Grid India Power Cables Pvt. Ltd. Hindustan Transmission Products Ltd K E C International Ltd. M E W Electricals Ltd.
Plant capacity: Catenary Wire (Hard Drawn Stranded Magnesium Copper Conductor) Size 24 sq.mm. (7/2.10 mm): 5.3 MT / Day Catenary Wire (Hard Drawn Stranded Magnesium Copper Conductor) Size 24 sq.mm. (19/2.10 mm): 5.3 MT / Day Catenary Wire (Hard Drawn Plant & machinery: Rs 260 lakhs
Working capital: -T.C.I: Cost of Project: Rs 871 lakhs
Return: 30.00%Break even: 55.00%
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