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 BLW manufactured WDAP-5 currently under trails | |||||||||||||||
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The Indian locomotive class WDAP-5 is a class of diesel-electric dual mode locomotive that was developed in 2019 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), AC Current (A), Passenger (P) and 5000 Horsepower (5). The locomotive can deliver 5500 hp (4.1 MW) in electric mode and 4500 hp (3.4 MW) in diesel mode. It is under development as of 2023.
Since 2016, Indian Railways has pushed for greater electrification of the railway network. [2] In this interest, the government, in 2019, approved plans for 100% electrification. [3] So far Indian Railways has electrified 52,247 route kilometers (RKM) that is about 80% of the total broad gauge network of Indian Railways (65,414 RKM, including Konkan Railway) by 31 March 2022. [4] Using electric locomotives allows the railways to save time by giving a faster acceleration and also saves fuel costs. However, these advantages are offset under certain circumstances where the route of the train is partly electrified. In such cases, trains used to run with a diesel locomotive in non-electrified sections and would be switched with an electric locomotive as soon as they enter an electrified section. Instead of the benefits of electrification, Railways observed a loss of punctuality in such trains due to valuable time being lost to switch between diesel and electric locomotives. To counter this, in August 2019, Railways issued a circular, asking all zones to haul trains with a diesel locomotive if their route was not completely electrified. [5] This meant that electrification of railway lines, unless completed end-to-end, did not provide any advantage. This problem had been identified by the Railways, way back in 2016, which is when RDSO was requested to study the feasibility of dual-mode locomotives as a stop-gap until 100% electrification was achieved. [6]
| Zone of the shed | Name | Shed code | Quantity |
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| South Central Railway | Kazipet | KZJ | 1 |
| Total locomotives active as of January 2023 | 1 | ||
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| Diesel |
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| DC electric |
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| AC electric |
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| Dual (AC and DC) electric |
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| Dual mode |
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An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or a supercapacitor. Locomotives with on-board fuelled prime movers, such as diesel engines or gas turbines, are classed as diesel-electric or gas turbine-electric and not as electric locomotives, because the electric generator/motor combination serves only as a power transmission system.
Indian Railways (IR) is a statutory body under the ownership of the Ministry of Railways of the Government of India that operates India's national railway system. As of 2023, it manages the fourth largest national railway system by size with a running track length of 104,647 km (65,025 mi) and route length of 68,426 km (42,518 mi) of which 60,451 km (37,563 mi) is electrified. With more than 1.2 million employees, it is the world's ninth-largest employer and India's second largest employer.
An electro-diesel locomotive is a type of locomotive that can be powered either from an electricity supply or by using the onboard diesel engine. For the most part, these locomotives are built to serve regional, niche markets with a very specific purpose.
The Northern Railway (NR) is one of the 19 Railway zones of India and the northernmost zone of the Indian Railways. It is headquartered at Baroda House in New Delhi.
Prima is a family of railway diesel and electric locomotives built by Alstom. Manufacture of the type commenced in the late 1990s. By 2008, Alstom had reportedly sold 1,750 Prima locomotives. The second generation Prima II was launched in 2009. The Prima H3 diesel/battery hybrid locomotive was launched in 2013.
Indian Railways operates India's railway system and comes under the purview of the Ministry of Railways of Government of India. As of 2023, it maintains over 108,706 km (67,547 mi) of tracks and operates over 13,000 trains daily with a fleet of 14,800 locomotives. The railways primarily operates a fleet of electric and diesel locomotives along with a few compressed natural gas (CNG) locomotives. Steam locomotives are operated on mountain railways and on heritage trains.
Bangladesh Railway is the state-owned rail transport agency of Bangladesh. It operates and maintains all railways in the country, and is overseen by the Directorate General of Bangladesh Railway. The Bangladesh Railway is governed by the Ministry of Railways and the Bangladesh Railway Authority. Its reporting mark is "BR".
The Central Organisation for Railway Electrification (CORE) is the unit of Indian Railways responsible for electrification of the network. The organisation, founded in 1979, is headquartered in Prayagraj, Uttar Pradesh. Project units operate in Ambala, Bangalore, Chennai, Secunderabad, Lucknow, Ahmedabad, Jaipur, Danapur, and New Jalpaiguri.
The British Rail Class 88 is a type of mainline mixed traffic electro-diesel locomotive manufactured by Vossloh España/Stadler Rail Valencia for Direct Rail Services (DRS) in the United Kingdom. The locomotive is part of the Stadler Euro Dual family. It is the first dual-mode locomotive in the UK to use the 25 kV AC electrification.
The Bombardier ALP-45DP is a type of single cab dual-mode locomotive operated by New Jersey Transit and Exo. The locomotive was designed and originally built by Bombardier until 2021, and by Alstom since 2021.
The Vectron is a locomotive series made by Siemens Mobility, introduced at the 2010 InnoTrans trade fair in four prototype versions: diesel, multi-system, and both AC and DC electric power. The diesel version has been replaced in 2018 by a dual mode locomotive which is powered by electricity on electrified sections of the track and can be switched to diesel mode on non-electrified sections. The Vectron series is reconfigurable and modular, with a Bo'Bo' wheel arrangement, and is intended as the successor to the EuroSprinter family of locomotives. A more affordable, basic version called Smartron was introduced in 2018.
The Indian locomotive class WCAM-2 is a class of dual-power AC/DC series electric locomotives that was developed in 1995 by Bharat Heavy Electricals Limited used in the Indian Railways system. They are the second locomotive from the WCAM class. The model name stands for broad gauge (W), DC Current (C), AC Current (A), Mixed traffic (M) locomotive, 2nd generation (2). They entered service in 1995. A total of 20 WCAM-2 were built at BHEL between 1995 and 1996, which made them the most numerous class of mainline dual-power AC-DC electric locomotive. They use the same motors as WCAM 1 but with different circuitry and gearing. They are operational in routes around Mumbai. MU operation was possible with 3 units. WCAM-2P was the passenger-oriented version of the WCAM-2 class. However, they perform better than the WCAM 1 series.
The Sahibganj loop is a railway line connecting Khana Junction and Kiul Junction. Originally a part of the Howrah–Delhi main line, it was opened to traffic in 1866. With the construction of a shorter railway line for a part of the route, the 403.8 kilometres (250.9 mi) stretch was assigned a separate identity.
Indian locomotive class YAM1 is the first, and so far only class of metre gauge (Y), Alternating Current (A), mixed traffic (M) electric locomotive in India. Twenty were built in 1964–66 by a Japanese consortium led by Mitsubushi.
The Stadler Euro-Dual is a series of dual power, electro-diesel locomotive by Stadler Rail Valencia. Unlike traditional dual mode locomotives, fitted with relatively low-powered diesel engines for 'last mile' movements only, vehicles are typically furnished with power units more comparable to that of mainline diesel locomotives.
Solapur railway station is located in Solapur district in the Indian state of Maharashtra and serves Solapur city and the industrial belt around it. It is headquarters of Solapur Railway Division and a part of Central Railway zone.
Diesel Loco Shed, Golden Rock is an engine shed located in Golden Rock, Tiruchirappalli, Tamil Nadu in India. It is located north of Golden Rock railway station, falling under Tiruchirappalli railway division. It is the largest of the four locomotive sheds under the Southern Railway zone of Indian Railways.
The Siemens Charger is a family of diesel-electric/dual-mode passenger locomotives designed and manufactured by Siemens Mobility for the North American market.
The Indian Government is undertaking several initiatives to upgrade its aging railway infrastructure and enhance its quality of service. The Railway Ministry has announced plans to invest ₹5,400,000 crore to upgrade the railways by 2030. Upgrades include 100% electrification of railways, upgrading existing lines with more facilities and higher speeds, expansion of new lines, upgrading railway stations, introducing and eventually developing a large high-speed train network interconnecting major cities in different parts of India and development of various dedicated freight corridors to cut down cargo costs within the country.
Diesel Loco Shed, Abu Road is a motive power depot performing locomotive maintenance and repair facility for diesel locomotives of the Indian Railways, located at Abu Road railway station (ABR) in Abu Road city in the Indian state of Rajasthan. It is one of the two diesel loco sheds of the North Western Railway, the others being at Bhagat ki Kothi.
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