Pdf indian railways operates 12000 trains everyday and half of them are hauled by the diesel locomotives. Thats more than double the size of most of the biggest gasoline v8 car engines and were only talking about one of the 12 cylinders. The hybrid diesel locomotive is an incredible display of power and ingenuity. Therefore, good performance of an engine is dependent on how quickly and completely the fuel can be burnt. The emd 1010 or emd 265 is a line of fourstroke diesel engines manufactured by electromotive diesel.
Ci engines, ignition by compression in conventional engine diesel engine, pilot injection of fuel in gas engines eg, natural gas and diesel fuel dual fuel engines classification of engines engine speed low speed engines, 100 600 r. However, the underlying theme of the book is locomotive energy efficiency, fuel economy and the environmental. A gearbox like this would be huge it would have to handle 3,200 horsepower, complicated and. Early internal combustion locomotives and railcars used kerosene and gasoline as their fuel. This 270,000pound 122,470kg locomotive is designed to tow passengertrain cars at speeds of. Ertms system with two ways working along the tracks. The giant twostroke, turbocharged v12 and electrical generator provide the huge amount of power needed to pull heavy loads at high speeds. Agricultural diesel engine 22 aircraft diesel engine 0 antique diesel engine 1 automotive diesel engine 35 construction diesel engine 3 highway diesel engine 20 industrial diesel engine 477 locomotive diesel engine 3 marine diesel engine 114 military diesel engine 6 truck diesel engine 76 turbine diesel engine 1. United states us and european union eu emission standards for diesel locomotives are the most widely referenced and applied standards internationally. Diesel locomotive stock photos download 11,571 royalty.
Exercise caution when working around the diesel engine, traction alternator, or radiator cab. In the uk, airconditioned passenger coaches get what is called electric train supply. The internal combustion engine was a dramatic improvement in efficiency over the steam locomotive. Currently, with what information is published, the most powerful articulated and single unit locomotive is the 2es10s 3es10, the strongestpulling is the iore, and the heaviest is the union pacific coal gtel. Amtrak mechanical department bureau of rolling stock engineering. You will learn the working of diesel trains or diesel locomotives in this article. If a locomotive is capable of carrying a payload, it is usually rather referred to as a multiple unit, motor coach, railcar or power car. Railways, which is a upgraded alco locomotive engine. The reference text on which this subcourse is based is a broad presentation of locomotive structure and a basic outline of maintenance. The ignition of diesel fuel pushes pistons connected to an electric generator. The book is an excellent primer on diesel locomotives that is wellillustrated with photographs and colorcoded drawings of diesels and their parts. The design is derived from the stadler eurolight, and stadlers product name for this variant is the uklight delivery of the second batch of class 68s also for direct rail services, and the first to be.
Sep 12, 2015 the working of a diesel locomotive is bit different if we compare it with the diesel automobiles. This locomotive is equipped with auto engine startstop. The engine on our diesel locomotive has a much smaller speed range. Modus operandi while no one plan will fulfill the requirement of every railway, the following system will provide a suitable frame work which can form the basis of a. The diesel locomotive works dlw in varanasi, india, is a production unit of indian railways, that manufactures diesel electric locomotives and its spare parts. Diesel locomotive works diesel locomotive works presentation shubham vishwakarma mechanical 3rd year aimt greater noida 2. The resulting electricity powers motors connected to the wheels of the locomotive. Finally we come the subject of this article, the diesel electric locomotive. Images photos vector graphics illustrations videos. The diesel locomotive equipped with an electric transmission device is referred to as a diesel electric locomotive. Ac propulsion ac catenary supply all three nec systems and diesel propulsion. What is the actual working of indian railways engine which.
There are many ways in which a locomotive can be the largest. While the 645 series was intended primarily for locomotive, marine and stationary engine use, one 16cylinder version powered the 3319 titan prototype haul truck designed by gms terex division. The diesel and electric locomotive story and working 24 coaches. They are both internal combustion engines designed to convert the chemical energy available in fuel into mechanical energy. Production of gm locomotive has already started in dlw, varanasi. It is located on dlw to bhu road of the metropolitan city of varanasi. Racks on the injectors are positioned by the engine governor to control the amount of fuel injected into the engine cylinders. Diesel locomotives are some of the coolest modes of transport out there.
Figure 3 rail energy efficiency and tmt, 19652001 aar 2002. Match a locomotive part from column ii with its description in column i. As railroads around the world haul larger quantities of freight efficiently, the title of worlds largest locomotive has often been passed to new generations of rolling stock. Inside the worlds largest operating diesel locomotive union pacific dd40x 6936 cheyenne, wyoming. Electric locomotives have provided hauling power to trains since 1837. The engine and generator how diesel locomotives work. Class 70 diesel locomotive, number 70010, returns to the west coast main line wcml at carnforth, lancashire transport, diesel locomotive. While the documentation of diesel locomotives is extensive, walter simpsons new book brings a fresh perspective to the literature. Diesel locomotives an overview sciencedirect topics. 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. See more ideas about train, old trains and locomotive. We are recognized worldwide for setting rail industry standards for performance and reliability, and delivering optimized efficiency for our customers. Feb 18, 2014 the simple nature of the electric engine makes them efficient and powerful.
Electrical apparatus f7 diesel electric locomotive p2. Alco announced its century series of diesel locomotives in 1963 as a leap forward in power and reliability, an attempt to compete more aggressively with gmemd and ge in the marketplace. The locomotive and the engine are two different things. While the 645 series was intended primarily for locomotive, marine and stationary engine use, one 16cylinder version powered the 3319 titan prototype haul truck designed by gms terex division the 645 series was an evolution of the earlier 567 series and a precursor to the. The engine alone weighs over 30,000 pounds,608 kg, and the generator weighs 17,700 pounds 8,029 kg. The emd 645 family of diesel engines was designed and manufactured by the electromotive division of general motors. A diesel internal combustion engine uses the heat generated from the compression of air during the upward cycles of the stroke to ignite the fuel. Gasoline engines in theory, diesel engines and gasoline engines are quite similar. The diesel engine drives an alternator, which produces electricity to run electric motors mounted on the locomotives axles.
A diesel locomotive produces the power in an internal combustion engine, and drives wheels through the transmission device. Graph1 traction force for the passenger for diesel electrical locomotive. A diesel electric locomotive is similar to a road vehicle in having an internal combustion engine as the primary source of power. While the average car engine today has about 200 hp, locomotive engines typically start at ten times that amount. Diesel locomotives use electricity to drive forward motion despite the name diesel. The h engine was initially designed for use as a 6,300 hp 4,700 kw 16 cylinder, the emd sd90mac. Power comes from a charge of fuel being burned inside a cylinder. The smallest locomotive engines up to 2,000 horsepower are used in switch operations in freight yards to assemble and disassemble trains or are. The us emission standards for railway locomotives apply to newly manufactured as well as remanufactured railroad locomotives and locomotive 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. Locomotives work based on a really simple principle. Ensure that aess is disabled before performing any maintenance on the locomotive. Unlike steam and diesel locomotives, electric locomotives do not carry their fuel on board.
Bedplate supports it and furnishes a housing for the crankshaft. Diesel electric traction has the following advantages. A bnsf diesel electric locomotive a ge es44c4 type, a typical us. Graph paper has exhausted in medha recorder indication. Locomotive for commuter and regional service in north america max. Manual maintenance for diesel locomotives revised 20 printed. The precursor to the 1010 was introduced around 1998 as the 265h or h engine. When more than one diesel locomotive is used in a locomotive consist consist, with the emphasis on the first syllable, they are said to be mud together. Locomotives popularly called train engines are the heart and soul of the railway system.
Reverses the direction of current in the traction motor field winding. Gas engine diesel engine diesel is used as fuel petrol engine petrol is used as fuel gas engines propane, butane or methane gases are used 3. When driver is working from right control stand and a9 is. Tier iv diesel engine graciela trillanesbruce wolff. Tour of the generators, reverser and other electrical parts of a classic emd f7 locomotive. The gm locomotives have been included in the diesel locomotive fleet of indian railway.
The diesel and electric locomotive story and working 24. 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. Route characteristics main stations in red, electrified and nonelectrified sections, double. Hybrid diesel locomotive the hybrid diesel locomotive is an incredible display of power and ingenuity. Power can be supplied by the catenary, by diesel motors or by any new energy supply. It is the largest diesel electric locomotive manufacturer in india. Choices in column ii may be used once, more than once, or not at all.
The diesel engine may start without operator action. The combustion of fuel such as coal, petrol, diesel generates heat. The breakthrough for this type of locomotives was during 1950s which in turn implied the end of steam locomotive technology. 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.
Be it diesel or electric, locomotives are actually run by a set of electric ac. Diesel engine this is the main power source for the locomotive. Diesel locomotives the railway technical website prc rail. A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine.
Unlike in most diesel cars, where power is usually transferred from engine to the wheels via all the mechanical components like mechanical gear box. A number of years ago,my father bought an old caterpillar crawlerdozer with a 4 cylinder diesel engine with a small 2 cylinder gas engine as the starter. American locomotive company alco produced a wide range of diesel electric locomotives until it ceased manufacture in 1969. Giant machines like these are just full of technological treats. Electric locomotive and improve for new railways service. The construction of diesel shunters began in 1920 in france, in 1925 in. Lionels gp7 locomotive is built to run on either o or o27 track. Sbb historic 126 2 2 gekuppelte dieselmotorlokomotiven mit oeldruckwechselgetriebe. It can be said that heat engine is equipment which generates thermal. With a view to help the training centers to test the persons in a best possible way, camtech has compiled a question bank on diesel locomotives. According to the types of internal combustion engine used, diesel locomotives can be divided into diesel engine and gas turbine engine, and diesel engine locomotives are most widely used. Engine locomotives are popularly called engines, though the engine is only a part of the diesel locomotive, while electric locomotives do not have engines at all.
A class 73 and a class 33 locomotive being coupled for multiple working on the uk rail network, multiple working is where two or more traction units locomotives, diesel multipleunits or electric multipleunits are coupled together in such a way that they are all under the control of one driver multipleunit train control. Pdf technologies adopted in diesel locomotive engines over. Diesel engines doehdbk1018193 diesel engine fundamentals history figure 1 example of a large skidmounted, diesel driven generator the modern diesel engine came about as the result of the internal combustion principles first proposed by sadi carnot in the early 19th century. Apply to diesel mechanic, mechanic, electrician and more. The 710 means that each cylinder in this turbocharged, twostroke, diesel v12 has a displacement of 710 cubic inches 11.
The gp7 is powered by a single wormdrive motor driving two magnetraction axles which enable it to pull a long string of passenger cars. Train operators rely on diesel power across the full range of rail power applications. Although commonly called diesels, the locomotives actually are electrically driven. Unlike steam and diesel locomotives, electric locomotives do not carry their fuel on b. A locomotive or engine is a rail transport vehicle that provides the motive power for a train.
It combines some great mechanical technology, including a huge, 12cylinder, twostroke diesel engine, with some heavy duty electric motors and. As you can probably guess by now, the diesel electric uses a diesel engine to drive an electric generator, which then supplies the current to traction motors, which are geared directly to the locomotive s wheels. Feb 05, 2017 electric locomotives have provided hauling power to trains since 1837. As the transmission is electric, the engine is used as the power source for the electricity generator or alternator, as it is called nowadays.
Associated requirements document change made per dcr0050054. Direction article development of efi for 4stroke locomotive diesel. This report was prepared as an account of work sponsored by an agency of the united states. With a speed range like this, a locomotive would need 20 or 30 gears to make it up to 110 mph 177 kph. Analysis, evaluation and simulation of railway diesel. Advantages of electric locomotive electric engines are light weight, constituting only motors and wheel axles, and have almost no moving parts. Early internal combusition locomotives and railcars used kerosene and gasoline as their fuel. The pump may be built in multistage construction, with a fuel line leading to each cylinder.
The basic purpose of an ic engine is to develop power by burning fuel. In the uk, air conditioned passenger coaches get what is called electric train. Failure to do so may result in death or serious personal injury. Third group it is true of a dieselelectric locomotive engine that its. Electric locomotives do not have a conventional engine in them as we have seen in a diesel locomotive.
Nowadays, diesel locomotives still are in excess in some countries and. The 4000 hp, computer controlled gm locomotive has a large number of special and improved features visavis the alco design diesel locomotive presently running in indian railway. Its idle speed is around 269 rpm, and its maximum speed is only 904 rpm. Diesel locomotive stock photos download 11,571 royalty free.
This heat is supplied to a working substance at high temperature. Several types of diesel locomotive have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels. With deliveries to over 75 countries, we have designed and produced more than 75,000 emd locomotive engines exceeding any other locomotive manufacturer, to create the largest installed fleet worldwide. Generator transmits mechanical action from the pistons to the crankshaft. Emd freight locomotives have been specifically developed to deliver the leading fuel efficiency, reliability and maintainability railroads expect. 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 turbineelectric and not as electric locomotives, because the electric generatormotor combination. The dttcs and stcs are continuously trying to find out new methods to impart training to the supervisors and the artisans in a best possible way. Explore a hybrid diesel locomotive from engine to engineer controls.
It is often defined as the longest in length, but there is even a debate on whether or not to include the tender, which is equivalent to the fuel tank of a diesel, in the measurement. The engine is the most important part in diesel locomotives and supply the power to turn the wheels. Diesel locomotive works dlw was established in 1961 in collaboration with ms alco, usa in the ancient city of varanasi. Choose from over a million free vectors, clipart graphics, vector art images, design templates, and illustrations created by artists worldwide. The diesel engine is started by means of two parallel connected. Check the engine oil pressure on the oil pressure gauge, it should read approximately 60 lbs. Starting a dieselelectric locomotive trains magazine. These workhorses offer optimal rail service across north and south america, europe, the middle east, africa and southeast asia, with a growing global presence. You rope start the pony motorit warms the coolant and cylinders of the diesel, then you engage a clutch to use the pony to start the diesel in the case of the concept on locomotives, it. A dieselelectric locomotive is similar to a road vehicle in having an internal combustion engine as the primary source of power.
Two stroke and four stroke engines, working principles, applications types, power and efficiency heat engine is a machine for converting heat, developed by burning fuel into useful work. Mouse over the part labels to see where each is located on the diesel engine. This mechanical energy moves pistons up and down inside cylinders. The main engine in this locomotive is a general motors emd 710 series engine.
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