electric interlocking system

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• Interlocking — In railway signaling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. The signaling appliances and tracks are sometimes collectively… …   Wikipedia

• Electric power transmission — Electric transmission redirects here. For vehicle transmissions, see diesel electric transmission. 400 kV high tension transmission lines near Madrid Electric power transmission or high voltage electric transmission is the bulk transfer of… …   Wikipedia

• Electric vehicle conversion — An electric vehicle conversion is the modification of a conventional internal combustion engine vehicle (ICEV) to electric propulsion, creating an all electric or plug in hybrid electric vehicle. Contents 1 Elements of a conversion 1.1 Solar… …   Wikipedia

• Signalling block system — Signalling block systems enable the safe and efficient operation of railways, so as to avoid collisions between trains. Block systems are used to control trains between stations and yards, and not normally within them. Any block system is defined …   Wikipedia

• political system — Introduction       the set of formal legal institutions that constitute a “government” or a “ state.” This is the definition adopted by many studies of the legal or constitutional arrangements of advanced political orders. More broadly defined,… …   Universalium

• Sound reinforcement system — A sound reinforcement system is an arrangement of microphones, electronic signal processors, amplifiers, and loudspeakers that makes live or pre recorded sounds usually music or speech louder, or that distributes the sound to a larger or more… …   Wikipedia

• Delhi Mass Rapid Transit System — Infobox Public transit name = Delhi MRTS दिल्ली मेट्रो imagesize = 200px locale = Delhi, India transit type = Rapid transit began operation = December 24, 2002 system length = km to mi|68 lines = 3 stations = 62 ridership = 702,731 cite web |… …   Wikipedia

• South Central Railway — The South Central Railway is one of the 16 railway zones in India. It is headquartered at Secunderabad and has the following divisions: Reorganized Secunderabad, Hyderabad, Guntakal (including Bellary Guntakal (MG)), Vijayawada, Guntur and Nanded …   Wikipedia

• Token (railway signalling) — A token being offered by a signalman on the Keighley and Worth Valley Railway …   Wikipedia

• Products with TTP — This page shows some of the products, in which the time triggered protocol TTP is used.TTP was successfully introduced in a production program in 2002. By now it is implemented in several commercial applications of the transportation and… …   Wikipedia

• General Motors streetcar conspiracy — Pacific Electric Railway streetcars stacked at a junkyard on Terminal Island, March 1956 The General Motors streetcar conspiracy (also known as the National City Lines conspiracy) refers to allegations and convictions in relation to a program by… …   Wikipedia