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Diesel-Electric Locomotive Essay

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Introduction In a Diesel-Electric locomotive, the diesel engine drives an electrical DC generator with an electrical AC alternator rectifier circuit whose output provides power to the traction motors. There is no direct mechanical connection between the engine and the wheels. The important components of a diesel-electric locomotive are diesel engine (prime mover), the main generator/alternator rectifier, traction motors, and a control system comprising of the engine governer and electrical/electronic components used to control or modify the electrical supply to the traction motors including switchgear and other components. The Diesel-Electric locomotives for Indian Railways are produced at Diesel Locomotive Works (DLW), Varanasi, UP. About …show more content…

It was setup in 1961 in collaboration with American Locomotive Company(ALCO), USA and it rolled out its first locomotive in 1964. This unit produces diesel-electric locomotive & DG sets for Indian railways and other customers in India and Abroad. DLW has been the largest producer of ALCO design locomotives. HHP(High Horse Power) locomotives (4000+ HP with 710 series engine) are now being manufactured with EMD technology in accordance with Transfer of Technology Contract with EMD-General Motors, USA. ALCO locomotives production is to discontinue at DLW from March 2014. DLW also manufactures Diesel Generating sets (2.4 MW Capacity). A brief history of DLW, Varanasi. • April 1956 Laying of foundation stone of factory by the first President of India Late Dr. Rajendra Prasad. • August 1961 Diesel Locomotive Works came into existence. • January 1964 First Broad Gauge Locomotive (WDM-2) released by (Late) Shri Lal Bahadur Shastri. • November 1968 First Meter Gauge Locomotive (YDM-4) released by (Late) Shri Morarji Desai. • February 1975 First Broad Gauge Shunting locomotive (WDS-6) turned out. • January 1976 Locomotives exported to Tanzania. • March 1977 1000th Locomotive turned

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