Pdf technologies adopted in diesel locomotive engines. This electricity is then used for recharging the battery. Electric locomotive maintenance personnel, apprentices or others responsible for the repair of static excitation locomotives. Permission is granted to copy this document in whole or part for any noncommercial nonprofit uses only. Electrical issues, derailments and burnedout engines are fairly common and all tracks require maintenance now and then. The diesel engine drives an alternator, which produces electricity to run electric motors mounted on the locomotives axles. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or onboard energy storage such as a battery or a supercapacitor electric locomotives with onboard fueled 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 generatormotor combination. Electric loco maintenance schedule diesel loco maintenance schedule features of electric locomotives 167169 brake power certificate 170 various machines used for track maintenance 171. An electric locomotive is a locomotive powered by electricity from overhead lines, an onboard energy storage device such as a chemical battery or fuel cell.
It is similar to the wap7 class locomotive but features a different gear ratio, which makes it suitable for heavy freight operations. Diesel locomotives use electricity to drive forward motion despite the name diesel. Introduction locomotives in india consist of electric and diesel locomotives. A large diesel engine turns a shaft that drives a generator which makes electricity. This manual is intended for use by operators, drivers and engine mechanics of agricultural tractors, combine harvesters and agricultural machinery equipped with diesel engines d260. Inventor, scientist, engineer, tells the story of the role of the father of electric traction and the role of electricity in the growth of cities. In addition other specialized cars were required to service the overhead trolley wires. These pages are intended to be read in conjunction with joes electric motors and generators pages of the hsc physics resources %7ejwhscmotors. This was the first steampowered locomotive to run on a railroad as well as the most successful working steam engine that had ever been constructed up to this period. Unlike steam and diesel locomotives, electric locomotives do not carry their fuel on board.
Purpose in railways, the electric current is taken from the catenary conductor to the locomotive, where the energy is used by electric motors, and fed to the earth connected rails, which are. The functioning of electric locomotive involves current collection by a pantograph continuously touching the over head wire, running over the busbar of the locomotive roof to surge arrester and vacuum circuit breaker earlier air blast circuit breaker popularly called dj. Before we understand the power of indian railway locomotives, we need to understand their classification. The reference text on which this subcourse is based is a broad presentation of locomotive structure and a basic outline of maintenance. Since 1964, it has been manufactured in india by the diesel locomotive works dlw, varanasi. Battery electric locomotives will be pushing us freight trains further oct 24, 2018 by chris noon. Many kinds of ebikes are available worldwide, from ebikes that only have a small motor to assist the riders pedalpower i. The diesel and electric locomotive story and working 24 coaches. Governors on diesel locomotive engines railway journeys and. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or onboard energy storage such as a battery or a supercapacitor electric locomotives with onboard fueled 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. The wag9 is a type of electric locomotive used by the indian railway it was the most powerful freight locomotive of its fleet until the formal induction of the wag12. Energy storage and electric generation in diesel electric locomotives conference paper pdf available july 2009 with 1,939 reads how we measure reads.
Jan 12, 20 the following photographs show the governor on the emd engine of class m2c no 626 montreal and on a caterpillar engine on a class w locomotive. The final decade of the 20 th century and the first decade of the 21 st century were marked by the enormous rise in high speed due to the huge leaps forward in electric locomotive technology. Electric railways, like their steam powered cousins, required a variety of work equipment including cranes for lifting heavy rail, hopper cars for ballast and construction debris and of course the ubiquitous flat car. Introduction increasing energy costs have become a serious concern in our societies and consequently in railway systems. But there are ways to figure out what the source of your problem is and get back on track. The technical working of an electric locomotive could be understand through the power circuit diagram of any electric locomotive for example. Electric engines are therefore easier to maintain whereas the moving parts of a diesel engine require constant maintenance. Pdf in article analysing typical electrical locomotives were manufactured with. Several types of diesel locomotive have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels.
The track was an uphill trek of four hundred and fifty feet. View and download rail king work train operating instructions manual online. Howitworks in the hardback books the six hardback books contain loads of information on how trains work. Diesel electric locomotives edison tech center steam engines. Locomotives give life to coaches and wagons which are otherwise dead hunks of metal which can best qualify as shelters during rains, converting them into trains. It is an internal combustion engine comprised of several cylinders connected to a common crankshaft. Powerelectronics issues of modern electric railway systems a. Alco locomotives of indian railway 35 diesel loco sheds. A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine.
It combines some great mechanical technology, including a huge, 12cylinder, twostroke diesel engine, with some heavy duty electric motors and generators, throwing in a little bit of computer technology for good measure. Railway technology today 3 edited by kanji wako railway electric power feeding systems yasu oura, yoshifumi mochinaga, and hiroki nagasawa introduction electric power technology in the railway industry refers to the means of supplying goodquality electric power to the electric motors. Stephensons engine hauled eight loaded coal wagons weighing thirty tons, at a speed of about four miles an hour. On the emd engine, the governor is mounted vertically whereas on the caterpillar engine it is mounted horizontally. Emdgp38 static excitation locomotive maintenanceelectrical. This article is about working of an electric rail engine.
The internal combustion engine was a dramatic improvement in efficiency over the steam locomotive, making substantial savings possible in maintenance and the elimination of widespread facilities. The diagram figure 2 shows the main parts of a usbuilt dieselelectric. How to troubleshoot an electric train set our pastimes. Regenerative braking systems rbs future of braking systems 77 motors, which results in regenerating electric energy for storage in the battery and simultaneously reducing the speed of the car with the regenerative resistance of the electric motors. In this lesson, you will learn what electric trains are, why they are. Testing, servicing, troubleshooting and maintenance are included. Electric locomotives have provided hauling power to trains since 1837. Analysis, evaluation and simulation of railway dieselelectric and. The simple nature of the electric engine makes them efficient and powerful. Madras was second metro city to get electric traction in southern railway on 11 may 1931. Identify all main components of an electric starter motor assembly 4. All retain the ability to be pedalled by the rider and are.
Oct 28, 2019 a diesel locomotive is a selfpowered railway vehicle that moves along the rails and pulls or pushes a train attached to it using a huge internal combustion engine running on diesel fuel as the prime mover or the primary supplier of power. Railway engineering association manual, 1911 recommends the following. Be it diesel or electric, locomotives are actually run by a set of electric ac. Pdf railway electrification systems and configurations. On a coalburning locomotive, the buildup of ash is controlled by shaking the grates so the ashes fall to the ashpan below. Production of gm locomotive has already started in dlw, varanasi.
An emu requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages. The diagram figure 2 shows the main parts of a usbuilt diesel electric. A diesel locomotive is a selfpowered railway vehicle that moves along the rails and pulls or pushes a train attached to it using a huge internal combustion engine running on diesel fuel as the prime mover or the primary supplier of power. In his book, electric locomotives, historian brian solomon points out the first known use of a heavy rail electric locomotive took place in 1893 when general electric manufactured a small, 30ton machine featuring two axles. The class wdm2 is indian railways workhorse diesel electric locomotive. Read pdf ppt presentation on diesel locomotive engine working technology, the 73tonne locomotives produce horsepower 750 kw and can. Fuel is ignited by the intense compression, pushing the piston down. The 4000 hp, computer controlled gm locomotive has a large number of special and improved features visavis the alco design diesel locomotive. Once youve got the basic idea and understand the physical principles and the maths, youre ready to explore how.
The driver of the electric loco negotiates the neutral section under momentum which. A bnsf diesel electric locomotive a ge es44c4 type, a typical us heavy haul. Working of stations back to index railway stations, world wide, are located in prime city centres, as railways were started at a time. Powerelectronics issues of modern electric railway systems. Electric trains provide transportation for many people around the world. Introduction electricity is used to eliminate smoke and take advantage of the high efficiency of electric motors. Upon completion of the subcourse, you should be able to identify the mechanical parts of a diesel electric locomotive, to explain how the components of the electric system work, to. Rather, fuel could be located 100s of km away at an electric power station, in the form of coal or other energy sources, and delivered to the locomotive through wires. An electric multiple unit or emu is a multipleunit train consisting of selfpropelled carriages using electricity as the motive power. Power 4mw at wheel fore electric mode, 4,200 hp diesel engine power. Data shown here is mainly drawn from diesel and electric locomotives of indian railways by jal e daboo, published by the british overseas railways historical trust borht, with updates and additions from the irfca mailing list. Industrial training electrical loco shed, ghaziabad name. A year later it built another which utilized a pair of trucks and nosesuspended traction motors.
By using a completely separate engine and generator for these systems, the train can keep. The resulting electricity powers motors connected to the wheels of the locomotive. Diesel electric locomotives introduction an understanding of the structure of a locomotive mechanically and electrically is essential to a person attempting to perform maintenance and repair services on it. Although dieselelectric locomotives currently dominate freight and nonurban. Diesel electric locomotives edison tech center steam engines rank with cars. Introduction establishment electric loco shed was set in 1976 by railway electrification organisation 8910 sq. What is function of pantograph in electric locomotive train a train driven by separately excited dc motors has better coefficient of adhesion than driven by series motor. Early internal combustion locomotives and railcars used kerosene and gasoline as their fuel. Ac coaching running on indian railways are broadly divided into two categories.
Locomotive vehicle technology overview a report prepared by the locomotive technology task force. Diesel locomotives the railway technical website prc rail. Comments on the regional railroad network and power grid interconnection pdf. An electric bicycle also known as an ebike is a bicycle with an integrated electric motor which can be used for propulsion. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. Locomotives popularly called train engines are the heart and soul of the railway system. Describe the similarities and differences between air, hydraulic, and electric starting systems 3. An electric locomotive is a railway vehicle that can move along rails and push or pull a train attached to it using electric power drawn from an external source, usually from overhead cables or a third rail. This engine and generator provide over 560 kw of electrical power to the rest of the train, to be used by the electric air conditioners, lights and kitchen facilities. A locomotive or engine is a rail transport vehicle that provides the motive power for a train. The ignition of diesel fuel pushes pistons connected to an electric generator.
Not just the locomotive itself, but track, wagons, points, bearings and much more the unique thing about the books is that they contain both stories and. Feb 05, 2017 electric locomotives have provided hauling power to trains since 1837. The basic aim is to give a detailed description of how the most generally used traction and engine systems work in presentday railways. Tecnomasio italiano brown boveri has developed a diesel electric locomotive for the. You will learn the working of diesel trains or diesel locomotives in this article. Ppt presentation on diesel locomotive engine working. As we all know, it is electric locomoti ves that are at the forefr ont of railway traction, while the diesel locomotive is kept for some very specific uses.
Locomotives of indian railways are named as a series of alphanumeric codes. How real electric motors work educating global leaders. A diesel electric locomotive is similar to a road vehicle in having an internal combustion engine. Locomotives work based on a really simple principle. Sprague and peter sprague, cut the ribbon and started an 1884 sprague motor at a new exhibit at the shore line trolley museum, where a permanent exhibit, frank j.
The gases move from the firebox forward through an array of pipes called flues, or tubes, in the main part of the boiler, which is filled with water. Please read my article is the working of diesel and electric locomotive same. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or. Mar 10, 2017 before we understand the power of indian railway locomotives, we need to understand their classification. At the end of the run, the ashes are dumped from the ashpan hopper. Several different type of railway traction electric power system configurations have been used in the usa and all over the world. The diesel and electric locomotive story and working 24. In response, electric locomotives began operation in 1904 on the new york central railroad. Flow of electric charge per unit time is known as electric current and it is measured in ampere named after french scientist andremarie ampere17751836. Railway technology today 3 edited by kanji wako railway. Trains have been a crucial part of americas infrastructure ever since two locomotives drew nosetonose at promontory summit in utah on may 10, 1869, marking the completion of the first transcontinental railroad.
Pdf modernization of dieselelectric locomotive 2m62 and tep. Identify all main components of a diesel engine starting system 2. If a locomotive is capable of carrying a payload, it is usually rather referred to as multiple units, motor coaches, railcars or power cars. Unlike steam and diesel locomotives, electric locomotives do not carry. Feb 18, 2014 advantages of electric locomotive electric engines do not produce much heat and noise. Booster transformers are used in electric railway ac catenary feeders to collect the return current from the rails and the earth to the return conductor. Pdf indian railways operates 12000 trains everyday and half of them are hauled by the diesel locomotives. In general, the operation of rail systems is highly centralized, with a limited. Reducing the energy consumption and improve energy. Acs diagram of acdc dieselelectric locomotive tep70 traction generator, when. There are many other voltage systems used for railway electrification systems around the world, and the list of current systems for electric rail traction covers both standard voltage and nonstandard voltage systems. How steam trains work, diagrams of engines peters railway. The hybrid diesel locomotive is an incredible display of power and ingenuity. File type pdf railway engine diagram the name diesel.
Feb 11, 2017 in many parts of the world, diesel electric locomotives are the primary hauling power for trains. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. The choice of the system depends on the train service requirements. The first units were imported fully built from the american locomotive company alco in 1962.
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