Capitulo 2 automotive electrical circuits and wiring. The train, which is in contact with both tracks, uses this voltage to drive a simple electrical circuit onboard the train. Electric trains use electricity to power electric motors, driving their wheels and providing locomotion. Engine forms an integral component of a vehicle that transforms chemical energy in fuel into mechanical energy for power. The compact, high performance generators cover powers from 1 to over 3 mw with efficiencies up to 96. Jul 11, 2019 the electric motor is a device which converts electrical energy to mechanical energy. The diesel engine makes 3,200 horsepower, and the generator can turn this into almost 4,700 amps of electrical current. The siemens es64u4, is the current confirmed holder as the fastest electric locomotive at 357 kmh 222 mph in 2006. Electric train experiment purpose to build an electric train, utilizing uninsulated copper wire, a battery, and powerful magnets. When we were child, looking at the mammoth size of steam engine powering the train was a wonderful sight. Engine general working principle pressure force pushes a load expansion process.
Mechanical engineering principles aims to broaden the readers knowledge of the basic principles that are fundamental to mechanical engineering design and the operation of mechanical systems. Working of electric motor mainly depends upon the interaction of magnetic field. Powertrain was founded in 1994 as a womanowned, small business. First, any engine has a redline a maximum rpm revolutions per minute. We turn your ideas and challenges into impactful results. The voltage can be increased to go faster or reduced til the train stops. In comparison, the power system of gasolinepowered vehicles consists of a number of components, such as the. Automotive electrical circuits and wiring 3 101 automotive electrical circuits and wiring introduction learning objective. What is the principle of electric train and how it is running. The basic principle of the electric train is quite simple. Identify charging, st arting, ignition, and accessorycircuit components, their functions, and maintenance procedures. The technical working of an electric locomotive could be understand through the power circuit diagram of any electric locomotive for example. Lecture 20 physical principles for all heat engines transform heat energy into work and refrigerators uses work to move heat from cold to hot 2nd law. How electric train engine works live video youtube.
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. Passing of a train ii collection of solved problems. The reference text on which this subcourse is based is a broad presentation of locomotive structure and a basic outline of maintenance. 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.
In local trains or emu electric multiple unit railway engines, traction is attained by dc direct current series. Modern engineering systems and products still rely upon static and dynamic principles to make them work. Unlike steam and diesel locomotives, electric locomotives do not carry. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or. 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.
Electric motors are a common means of powering a train, whether the energy required is carried onboard the train in the form of a diesel engine and its fuel or obtained from outside the train by connection with an external power supply carried by an overhead line or third rail. Passing of a train i l1 passing of a train ii l1 moving boat l2 rescue plane l2 rolling of a ball l2 basketball player l2 a garden hose l3 water streaming out of the tank l3 a cannon firing down a hill l4 cottage dwellers l2 the voyage of a raft l3 mouse and cat l3 sliding of a line segment i l3 an ant on a rod l4. It is either delivered via an electrified third rail beneath the train, via electrified cables above the train, or stored in batteries on board the train. It implies that the total length of the train has crossed the total length of the object. Powerelectronics issues of modern electric railway systems a. An electric locomotive is essentially a box full of transformers and semiconductors that converts electricity collected from external sources to the desired voltage to drive the traction motors. The ignition of diesel fuel pushes pistons connected to an electric generator. How to troubleshoot an electric train set our pastimes. Inside the standard electrical locomotive l indian railways engine l train driving l 2020 duration. The diesel and electric locomotive story and working 24.
The moscow odessa train in vinnytsia railway station. Development of power train of hybrid power excavator. It is either delivered via an electrified third rail beneath the train, via electrified cables above the. What is an electric locomotive systems and their types in. Pdf in article analysing typical electrical locomotives were manufactured with. The resulting electricity powers motors connected to the wheels of the locomotive. These applications include the lifting mechanisms on hospital beds, power recliners, and heavy machine lifts where the great force at low speed is the goal. 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. 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. In this paper, a 20ton prototype compound hybrid excavator is presented which includes.
Electric locomotives the railway technical website prc. When we say train, we dont just mean a thomas the tank engine. A train 50 metres long passes a platform 100 metres long i 10 seconds. Multi engine concept and integration into the locomotive controls. What is the principle of electric train and how it is. Electric locomotives do not have a conventional engine in them as we have seen in a diesel locomotive, but use the electricity. Abbs proven traction generator technology comes from an iris certified plant. It looks fascinating but how does this experiment work. It combines some great mechanical technology, including a huge, 12cylinder, twostroke diesel engine, with some heavy duty electric motors and.
The wheel in front of the loco pilot was assumed to be driving wheel similar to road vehicle. Train cars train cars 62000 created and diagrammed by philip schulz p. 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. The result is a fascinating and cheap experiment that displays the basic principles of electromagnetism and engineering. Principle of operation of an engine mechanical engineering. These motors need electric power to run, and the source that supplies this power is what differentiates diesel and electric locomotives.
We are recognized worldwide for setting rail industry standards for performance and reliability, and delivering optimized efficiency for our customers. Principle of operation of an engine automobile engine refers to a fuelconsuming machine or device that is used for propelling automobiles, airplanes, tractors, buses, two wheelers, cars etc. Figure 10 diesel engine valve train 11 figure 11 diesel engine cooling system 12 figure 12 diesel engine internal lubrication. Place your engine on the line and add the power slowly. The combustion of fuel such as coal, petrol, diesel generates heat. It can be said that heat engine is equipment which generates thermal energy and transforms it into mechanical energy. The expansion, due to the combustion, applies a direct force to some component of the engine, e. Powerelectronics issues of modern electric railway systems. The electric traction system can be broadly divided into two groups. In the case of internal combustion engine, the combustion of fuel takes place inside the engine cylinder itself. In this youtube video, a dry cell battery, a wound copper wire and a few magnets see image below are being used to create what can be described as train. This experiment is guided towards stem education and. Electrification was carried out using a threephase supply at 16 2 3 hz 3 kv fed from two dedicated power stations located at either end of the tunnel.
However, only six months remained until the tunnels inauguration. Locomotives work based on a really simple principle. Electric locomotives have provided hauling power to trains since 1837. A model train engine works by taking up an electrical charge out of the metal track through metal engines wheels that travel on the track. Self steering railwheel profile is the reason for negotiating on. 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.
Development of power train of hybrid power excavator hong yao, qingfeng wang state key lab of fluid power transmission and controlzhejiang university, yuquan campus, zhejiang, china email. It started first with directcurrent feeding systems ca pable of driving a dc motor directly and. The principle of working of compression ignition engine ci was found out by rudolf diesel in the year 1892, hence ci engine is also called the diesel engine. However, electric railways did not appear until 1890 at an exhibition held in ueno, 10 years after the start in europe but only 2 years after frank j. 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. If low oil pressure is detected, the relay trips out the power system. Synchronous generators for dieselelectric locomotives abbs unique, vibration resistant traction generators boost the reliability of modern low emission engines. Page 2 vehicletechnology report tasking the locomotive technology task force was established in response to a concern of the executive board that the recentlyapproved diesellocomotive.
Once youve got the basic idea and understand the physical principles and the maths, youre ready to explore how. The electric motor is a device which converts electrical energy to mechanical energy. With the locomotives leading the way, coupledtogether railroad cars. According to some experiences, the same principles. 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. The diesel and electric locomotive story and working 24 coaches.
All of these motors work in more or less same principle. Locomotive vehicle technology overview a report prepared by the locomotive technology task force. This portable document format pdf file contains bookmarks, thumbnails, and hyperlinks to help you navigate through the document. Well provide fast, successful solutions to your organizations challenges.
Comments on the regional railroad network and power grid interconnection pdf. Adding a small amount of oil to the moving parts can help if the. Introduction electricity is used to eliminate smoke and take advantage of the high efficiency of electric motors. It supposes an efficient energy management because the diesel electric locomotive could acts as a dispersed mobile generation dmg unit when working under electric overhead lines, and it can be. 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. 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. The most sophisticated method of train control is called command control. Find the length of a bridge which a train m long, travelling at 45 km an hour, can cross in 30 secs. The train picks up the electricity through the wheels and takes it to an electric motor that turns the drive wheels with a set of gears.
There is a completely separate v12 engine and generator to provide electrical power for the rest of the train. Your car needs a transmission because of the physics of the gasoline engine. The hybrid diesel locomotive is an incredible display of power and ingenuity. Todays wonder of the day was inspired by christopher. If you continue browsing the site, you agree to the use of cookies on this website. This page shows the internal arrangement for a typical ac electric locomotive and offers a selection of terms.
Analysis, evaluation and simulation of railway dieselelectric and. Electrical power maintenance, train lighting and air conditioning. Take two bar magnets and keep the poles facing each other with a small space in between. Permission is granted to copy this document in whole or part for any noncommercial nonprofit uses only. Electric trains have a long history, and they have advanced greatly during that time. The direction of the lines of force is given by the law of the screwdriver. In response, electric locomotives began operation in 1904 on the new york central railroad. This problem has been completely worked out in a paper that was published in the january 2016 issue of american journal of physics. The process is a little messy and requires some degree of patience and care when working on the engine. Asahi mochizuki overview 1872 marked the start of commercial railway operations in japan, nearly half a century after railways had started in the uk. Propulsion principle used for alp45 dual power the agc is a low power multiple unit. Electric locomotives the railway technical website prc rail.
Locomotives popularly called train engines are the heart and soul of the railway system. Single phase 25 kv is stepped down and converted in to dc, then this dc supply is used to run dc traction motors equipped in conventional locos. The main reason why diesel locomotives are hybrid is because this eliminates the need for a mechanical transmission, as found in cars. Problems on trains with solutions pdf bankexamstoday. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. This will collapse the paper in between and make the model 3d. 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. Improvements of efficiency in locomotives with internal combustion engines ice. Hybrid diesel locomotive the hybrid diesel locomotive is an incredible display of power and ingenuity.
Aug 06, 2016 principle of electric motor and generator slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pdf modernization of dieselelectric locomotive 2m62 and tep. What is the working principle of an electric motor. 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. This 270,000pound 122,470kg locomotive is designed to tow passenger train cars at speeds of. Another goal achievable with a gear motor is to use a small motor to generate a very large force albeit at a low speed. A train is said to have crossed an object stationary or moving only when the last coach end of the train crosses the said object completely. Often run by a computer, this type of system allows operators to plug a receiver into a handheld throttle that corresponds to a receiver installed inside a locomotive engine. Be it diesel or electric, locomotives are actually run by a set of electric ac. Introduction to basic notions on electric power 5 electric current conductor lines of force fig. The working of an electric motor is based on the fact that a current carrying conductor produces a magnetic field around it. The solution is to disassemble, clean and lubricate the engine.
How real electric motors work educating global leaders. Product note rail traction synchronous generators for diesel. Ev power systems motors and controllers the power system of an electric vehicle consists of just two components. Describe the similarities and differences between air, hydraulic, and electric starting systems 3. The electric power is transferred from the wheels on to. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or onboard energy storage such as a. 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. Electric traction control the railway technical website. D o you get excited when its time to go on vacation. Identify all main components of a diesel engine starting system 2.
Railway technology today 3 edited by kanji wako railway. In an electric traction system the driving force to pull a train is generated by the traction motors. Identify all main components of an electric starter motor assembly 4. Internal combustion engine ice is a type of engine where the combustion of the fuel occurs in a combustion chamber that is an integral part of the working. Working of electric cars electronic circuits and diagrams. Lets start by understanding why cars have transmissions. 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 dieselelectric or gas turbineelectric and not as electric locomotives, because the electric generatormotor. These pages are intended to be read in conjunction with joes electric motors and generators pages of the hsc physics resources %7ejwhscmotors.
Diesel locomotives use electricity to drive forward motion despite the name diesel. Capacity of electric field to do work on an electric charge is known as electric. If you find your model engine is losing performance quality and you can be sure there is not an electrical problem, then the most likely cause is dirt and solidifying lubricants. The four drive motors use this electricity to generate over 64,000 pounds of thrust. Working or operating principle of dc motor electrical4u. Each loco has its own plugin receiver that can be attached to any throttle. The uppermost layer of paper will have to come toward you, while the back paper will go away from you. Dieselelectric 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. E consulting engineer, professor of electric railway engineering. An electric motor in the locomotive or above each car is charged with electricity propelling the train forward or backward. Test to make sure the switch fully opens and closes without a train on the track.
1294 1363 691 11 881 972 352 670 1435 182 829 289 1026 378 638 1059 349 911 141 762 1277 634 39 112 1243 1437 593 1045 283 1125 1016 182 429 326 403 829