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Topic: Electric locomotive

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	locomotive. The Columbia Encyclopedia, Sixth Edition. 2001-07
		Steam locomotives are usually classified under the Whyte system, that is, by the number and arrangement of the wheels; for example, an engine classified as 2–6–0 has one pair of wheels under the front truck, three pairs of coupled or driving wheels, and no wheels under the trailing truck.
		Electric railroad locomotives are used chiefly on steep grades and on runs of high traffic density; although highly efficient they are not more widely used because of the cost of electric substations and overhead wires or third rails.
		Electric locomotives were introduced on the Baltimore & Ohio RR in 1895, and diesel locomotives—introduced in yard service in 1924—were in general use by 1935.
	www.bartleby.com /65/lo/locomoti.html (945 words)

	[No title]
		This locomotive was claimed by G.E. to be the first in the world powered with an internal combustion engine that transmitted power to the wheels through electric motors.
		It was sold in 1917 to the Central Warehouse Co. for $8,000.00 who subsequently converted it to straight electric operation by removing the gasoline motors and electric generators and replacing the lost weight with concrete flooring in the underframe.
		Locomotive 100 was donated to the Minnesota Transportation Museum in 1967.
	www.mtmuseum.org /jsr/roster/dpl100.html (1091 words)

	Diesel-electric locomotive - Patent 7044096
		The diesel-electric locomotive as claimed in claim 1, wherein the fluid is at least one of water and water with additives.
		The locomotive as claimed in claim 6, wherein the fluid is at least one of water and water with additives.
		According to another example, a voltage source in a second locomotive which is coupled to the locomotive and is connected via an electrical line is used as a separate heating voltage source.
	www.freepatentsonline.com /7044096.html (1351 words)

	Locomotive - Engineering
		Diesel trains or locomotives that use this are called diesel-mechanical and began to appear (although limited in power) even before the first world war which saw a number of simplex diesel systems built for the war, a small number of which survive and are still operational today.
		In the 1960s, the locomotive manufacturer Krauss-Maffei [[14]] built a variant of this type of locomotive which used hydraulic power transmission for the Southern Pacific Railroad in the U.S., but the units were ultimately removed from service due to maintenance and reliability problems.
		A gas turbine-electric locomotive, or GTEL, is a locomotive that uses a gas turbine to drive an electric generator or alternator.
	engineering.wikia.com /wiki/Locomotive (2667 words)

	ELECTRIC TRACTION
		At first electric traction was confined mainly to tramway work, but in 1883 the first electric locomotive for use on standard gauge railways made its appearance on the Mount Macgregor and Lake George Railroad in the State of New York.
		The employment of steam locomotives was precluded owing to the proximity of the line to the docks.
		In 1902 the electric Berlin elevated line was first opened to the public Many railways were electrified in the year 1907, notably that through the Simplon Tunnel, the New York Central suburban lines, and further sections of the New York, New Haven and Hartford Railroad.
	mikes.railhistory.railfan.net /r066.html (2744 words)

	Diesel-Electric and Electric Locomotive Terms
		Diesel-electric locomotive: Locomotives that use diesel engines as a prime mover (i.e., power plant) but whose main purpose is to power an alternator to produce electricity used by the locomotive's traction motors to then drive the locomotive.
		Hood unit: A diesel locomotive which carries a long hood (which houses the prime mover and all other electrical equipment and vital components), cab, and short hood, which is usually recognized as the "front" or lead section of the locomotive.
		Push-pull: A mode of passenger transportation whereby a traditional locomotive pulls the train in one direction and pushes it when the engineer is operating the train from the rear car that houses all of the controls found in the locomotive cab (whereby he controls the locomotive from that car).
	www.american-rails.com /diesel-electric-and-electric-locomotive-terms.html (2146 words)

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	Type DF4B Diesel-Electric Locomotive
		Locomotives for different services have the same structures except the gear ratios.
		Electric apparatus room and cooling room are located at both ends of the power room respectively.
		In addition to electric resistance brake, Type JZ-7air brake is used for air brake system, which can brake the locomotive separately or brake the locomotive and train simultaneously.
	www.zyloco.com /english/cpsj/df4b.htm (309 words)

	A NINETY-SIX TON ELECTRIC LOCOMOTIVE--Baltimore and Ohio Railroad
		The locomotive is equipped with a 1,200 to 3,500 ampere automatic circuit breaker and one 2,000 ampere magnetic cut-out, a 5,000 ampere illuminated dial Weston ammeter, and one illuminated dial Weston voltmeter.
		Directly coupled to them are 500 kilowatt General Electric multipolar generators, adapted to run with the engine at 110 revolutions a minute, and from these generators the current is taken over cables of 1,000,000 circular mils (1 inch) cross section to a switchboard on a platform at the south end of the engine room.
		The tunnel, for use in which this locomotive was built, runs under Howard Street, one of Baltimore's principal thoroughfares, and was driven without any interference to the surface traffic, the vertical shafts being sunk to the tunnel through the cellars of houses along its line.
	www.catskillarchive.com /rrextra/stbando.Html (1141 words)

	SETS Fleet - Electric Locomotive 8606
		The 86 class electric locomotives were a further development from these, with an electrical design similar but not identical to that of the previous class.
		On the 7th September 2002 the Sydney Electric Train Society arranged a special farewell passenger train charter to mark the both the withdrawal of the 86 class electrics, and the end of commercial use of electric locomotives in N.S.W..
		The balance of the 85 and 86 class electric locomotives were sold to Silverton Rail and their future is currently uncertain.
	www.sets.org.au /fleet/index.php?id=8606 (1254 words)

	The Heilmann Electric Locomotive
		The novelty of this locomotive consisted in the fact that it did not take its current from a feeder connecting with a distant power station, but carried its power station with it—the boiler, engine, generators, and motors being all combined in one machine upon one set of wheels and comprising an absolutely self-contained electric locomotive.
		The designs of the Heilmann locomotive have been subjected to considerable criticism, mainly on the ground that it is at an evident disadvantage compared with the ordinary steam locomotive, because it necessitates an extra conversion of power, with its inevitable attendant loss.
		The boiler of the first experimental locomotive was of the Lentz type, with corrugated fire box and combustion chambers, but in the present type the designer has returned to the ordinary locomotive style of boiler, the fire boxes being, however, of copper and built on the Belpaire pattern.
	www.catskillarchive.com /rrextra/elheil.Html (1244 words)

	Gas Turbine
		Highlighted by exhibition runs of the locomotive, the two-day session was an outgrowth of a similar conference at Schenectady, N. Y., in March, 1948 when the gas turbine power plant was first shown.
		Knowledge gained from General Electric's wide experience in the aircraft gas turbine field was utilized in the design of the locomotive's power plant.
		The locomotive gas turbine differs from the aircraft jet engine in that the gases it produces are harnessed within the power plant and the resultant power is transmitted electrically to drive the wheels, whereas the aircraft engine provides forward thrust from the reaction of its exhaust stream.
	www.railpower.com /2support/locomotives.htm (916 words)

	WTC 1 Diesel Electric Locomotive
		Locomotive #201 is a model RSD-4 constructed by the American Locomotive Company (ALCO) in 1951.
		This road locomotive has 1,600 horsepower, is geared for a top speed of 60 miles per hour, and has a total weight of 286,000 pounds.
		The 201 is a diesel-electric locomotive: a diesel engine turns an electric generator and electric motors turn each axle.
	www.trainmuseum.org /KKC201.asp (249 words)

	The Pennsylvania Railroad GG1
		A device mounted on the roof of an electric locomotive that is spring loaded to allow the pick-up shoe to maintain contact with the overhead trolley wire.
		The electric motor geared to the axles and used to convert the transformer output to mechanical force in the form of tractive effort.
		Locomotives today are capable of operating on 25 HZ or 60 HZ and most railroads are using 60 HZ so they can buy power directly from the power companies and avoid the expense of maintaining their own substations.
	www.steamlocomotive.com /GG1 (3245 words)

	SETS Fleet - Electric Locomotive 4615
		The "46 class" electric locomotives were ordered and designed for the electrification of the Sydney to Wallerawang route over the Blue Mountains in N.S.W. The motivation was an expected increase in the volume of coal to be shipped from the western coalfields beyond Lithgow, in the mid to late 1950s.
		After the withdrawal, staff at Lithgow Locomotive Maintenance Centre, which maintained the electric locomotive fleet, selected 4638 as the officially retained operational heritage 46 class loco, on the basis of it being the last unit overhauled.
		Due to very good electrical and mechanical condition, and a late equipment change, 4615 was designated the companion heritage unit to 4638, with it also being retained in operable condition.
	www.sets.org.au /fleet/index.php?id=4615 (1435 words)

	BoxCab Electric Locomotives
		The Boxcab electric locomotive was first developed in order to eliminate steam from the tunnels under city streets.
		Eight of their boxcab electric locomotives, class Y-1 with a 2-6-6-2 wheel arrangement and built between 1926 and 1929, were sent to the PRR for use under the catenary.
		These were small electric locomotives, run either singly as a B1 or as a twin unit BB1, and were primarily used as yard goats, moving cars hither and yon in the electrified yards of the PRR.
	www.toytrains1.com /boxcab.htm (718 words)

	Electric, locomotive, multiple unit, batteries
		On electric locomotives, batteries are used to raise and lower the pantograph to connect the overhead catenary and also to supply emergency power as back-up for the low voltage system.
		With both EMUs and electric locomotives, emergency power is required for systems such as lighting and air-conditioning, computing, communication and door control.
		For a passengers transportation companies equipped with EMUs electric locomotives, careful asset management is crucial.
	www.saftbatteries.com /080-MS_Rail/040-10-10_Electric_locomotive_multiple_unit.asp (231 words)

	AGEIR Box Cab Diesel Locomotive
		This was the first internal combustion powered locomotive using dual power plants ever sold.The engines were coupled to GE 600 volt generators which in turn were parallel connected to four Model GE-205-D traction motors attached to the trucks.
		Now instead of depending totally on the skills of a motorman or locomotive engineer the electrical excitation and traction motors control was handled in a more predictable manner with the use of one lever.
		The City of Baltimore Diesel-electric locomotive, GE Builders #6478, saw little service and was placed in storage until 1926 when GE bought it back and rebuilt the unit as a 50 ton locomotive with a 200 horsepower Winton 106 gasoline engine...
	www.cnwhs.org /ageir/ageir.html (1434 words)

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