Electric Railways, 1880-1990 (IEE history of technology by M. C. Duffy

By M. C. Duffy

This publication provides an intensive survey of electrical railway improvement from the earliest days of the London Underground to trendy electrified major line trains. assurance comprises chapters on signalling and communications, strength provides, and a close survey approximately traction structures, either AC and DC. The advent, first of mercury arc rectifiers, and later of energy semiconductor controls, is usually mentioned intimately. the writer has an extended status curiosity in engineering historical past and has written many papers on features of railway know-how. This e-book should be of specific curiosity to scientists and historians attracted to the improvement of electrical railways.Also available:Exhibiting electrical energy - ISBN 9780852968956Spacecraft know-how: The Early Years - ISBN 9780863415531The establishment of Engineering and expertise is among the world's prime expert societies for the engineering and know-how group. The IET publishes greater than a hundred new titles each year; a wealthy mixture of books, journals and magazines with a again catalogue of greater than 350 books in 18 diverse topic components together with: -Power & strength -Renewable power -Radar, Sonar & Navigation -Electromagnetics -Electrical dimension -History of expertise -Technology administration

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Additional resources for Electric Railways, 1880-1990 (IEE history of technology series)

Sample text

Steam traction on the elevated lines was unpopular, and smoke nuisance apart, there was a growing need to increase line capacity beyond what steam traction could provide. In 1895, this need compelled the Chicago Metropolitan West Side Elevated Railway to carry out the first full-scale electrification of a heavy-duty steam railway using the Sprague system (CERA, 113, 1973). During 1893–94, Sprague had introduced multiple-unit control for elevators (lifts) in the New York Postal Telegraph Building, and the technique was used to control trains on electrically operated railways.

Heilmann systematically investigated various electrical systems and components with a view to general railway electrification. He worked at the same time as Sprague but he did not focus to the same extent on rapid-transit systems, though he considered them. He invented the thermal-electric locomotive, and several of those who worked with him were to contribute to electric traction and the use of the internal combustion engine on railways (Duffy, 1989). 2 J. J. Heilmann and electric railway traction Between 1893 and 1897, J.

Sykes installed track circuits to protect platform routes at St Pauls Station, London, on the South Eastern & Chatham Railway. The Great Northern Railway experimented with a track circuited section in 1893, and in 1894 used circuits to protect the routes through Gas Works Tunnel, just outside Kings Cross Station, London. In 1900, the Lancashire & Yorkshire Railway installed them at Victoria and Exchange stations, Manchester. These pioneer British systems used track circuits to monitor train position, and helped signalmen working from manual boxes, but the circuits did not control signals automatically.

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