The chapter on electric drives and traction covers recent trends in electric traction using gto thyristors technology. Thomas byrne, opac, otc university of california san. Ppt electric traction powerpoint presentation free to. This book will also useful to students who were prepared for competitive exams like gate, ias etc. Download fulltext pdf download fulltext pdf electric vehicle traction motors without rare earth magnets article pdf available march 2015 with 10,741 reads. In the second category comes a diesel engine electric drive. Download electric traction systems seminar report with ppt. The year 1881 saw the birth of the first electric railway run by a german engineer werner van siemens using both the rails to carry the current. Speed time, distance time and simplified speedtime curves, attractive effort for acceleration and propulsion, effective weight, train resistance, adhesive weight, specific energy output and consumption. What is an electric locomotive systems and their types in india.
Electric traction means using the electric power for traction system i. Now a day, magnetic traction is also used for bullet trains. Utilization of electrical enrgy and electric traction. The railway traction systems under study, taking account of all the processes of. Electric trains are those trains which use electric traction or in general electric power. Calculate ithe time taken and energy dissipated in the motor during starting. There are various systems of traction prevailing in our country such as steam engine drive, electric drive. We would like to acknowledge grateful appreciation to those who contributed their time and expertise in the development of the ninth editon of the zimmer traction handbook. To read this ebook on a mobile device phone or tablet youll need to install one of these free apps. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. In 188g, van depoele, working at minneapolis for the minneapolis,lyndale and minnetonka railvay, which had been obliged to discontinuethe use of steam locomotives in the business portions of the city, equippedan electric locomotive car for hauling trains. Pdf the preliminary choice of electric traction motors. Electric traction b disadvantages because of difficulty of installing a condenser on a locomotive, the steam engines employed are of noncondensing type, therefore, efficiency is very poor 6 to 8%. Railway traction system pdf different types of railway traction and their importance in the.
What is an electric locomotive systems and their types in. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. A section on photometric measurements is added along with study of halogen lamps and energy saving lamps. Course is helpful for various competitive exams like engineering entrance, pgecet, psu recruitments, ecet, leet etc. Act of drawing or state of being drawn propulsion of vehicle is called tractions. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. Utilization of electrical energy pdf notes uee pdf notes.
Adobe digital editions this is a free app specially developed for ebooks. Electric traction started in europe and the usa as tramcars and subway locomotives in the 1880s powered by 500600 v dc. Electric traction 1881 after many decades of satisfactory performance, the steam engines were to give way to more modern locomotives. Electric traction has many advantages as compared to other nonelectrical systems of traction including steam traction. Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered rails in 1834. All heating requirements in domestic purposes such as cooking, room heater, immersion water heaters, and. Open library is an initiative of the internet archive, a 501c3 nonprofit, building a digital library of internet sites and other cultural artifacts in digital form. Pdf on jun 1, 20, mohan krishna and others published types of power quality disturbances on ac electric traction drives. The mechanics involves conversion of overhead electrical powerdieselsteam power in rail horse power to haul a train encountering acceleration, train, grade, curve resistance and similarly braking. Electric traction means by means of the electric power for traction system i. The seminar report explains the electric traction system which is the most efficient of all other traction systems. In general following electric traction systems exist.
Pdf electric vehicle traction motors without rare earth magnets. The overload capacity of steam locomotive is limited. A survey find, read and cite all the research you need on. It is used in electric trains, tramcars, trolley buses and diesel electric vehicles etc.
Electric traction systems and their advantages electronics hub. The book intends to convey mechanical fundamentals of electric railway propulsion, which includes railbound guidance, transmission of traction effort from wheel to rail under the influence of nonconstant levels of adhesion and the transmission of motor torque to a pdf springmounted and thus swaying drive wheel set. Jan 08, 2019 electric traction means using the electric power for traction system i. Traction means drawing or pulling something over a surface.
Pdf railway aptitude test by rph editorial board book free download. Electric traction system 1 electric traction system presented by amit raj roll no. Electric traction system engineering seminar topics. Winner of the standing ovation award for best powerpoint templates from presentations magazine. In ohe, or overhead electrification systems, the supply of electricity is through an overhead system of suspended cables known as. Types of traction systems electrictraction systems can be broadly divided into those using alternating current and those using direct current. Utilization of electrical energy pdf free download uee notes uee pdf notes utilization of electrical power including electric drives and electric traction by n. A free powerpoint ppt presentation displayed as a flash slide show on id.
Lack of control over time, the market, or the company. We need your support, kindly share this web page with other friends. Talk is cheap, but traction is hard evidence that youre on the right path. With direct current, the most popular line voltages for overhead wire supply systems have been 1,500 and 3,000. It is free from smoke and flue gasses maintenance cost. Electric traction the system which use electrical power for traction system i. Railway electrification as a means of traction emerged at the end of the nineteenth century, although experiments in electric rail have been traced back to the midnineteenth century.
Electric motor types and drives used for electric ve hicles,16th power electronics and motion con trol conference and exposition pemc, 2124 sept. Most entrepreneurs regularly grapple with one or more of the following challenges. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. The following are the two types of non electric traction systems. Or electric traction means a locomotion in which the driving force is obtained from electric motors. Review of characteristics of different types of dc and ac motors used traction and their suitability moduleiv 10 hours rating and heating of electric drives, power loss, heating and cooling of motors, classes and duty and selection of motors, drives for specific application like steel, paper, textile mills.
Electric traction mcqs answers pdf electrical engineering. Thomas byrne, opac, otc university of california san diego medical center san diego, california preface. One of the major application of an electric drive is to transport men and materials from one place to another. Methods of electrialc heating resistance, arc, induction and dielectric heating. Magic pills lots of remedies and quick fixes have come and gone, but the.
Chapters on electrical drives and electric traction. Due to rationalization, general overhaul of the vehicle is generally performed within the frames of modernisation. Any upgraded electric traction vehicle is brought to a higher technological level resulting in. Traction system employed in locomotives can be electric or non electric. The electric traction system can be broadly divided into two groups. Thats called traction, and it makes everything else easierfundraising, hiring, press, partnerships, acquisitions. Electric traction will continue to play a dominant role in the railway since it is an. This book will useful to most of the students who were studying electrical and electronic engineering.
A railway electrification system supplies electrical energy to railway. The system which use electrical power for traction system i. This book is a reproduction of that original, which has been scanned and cleaned by stateoftheart publishing tools. Advantages of electric traction transport due to their pollutionfree locomotion as. Suryanarayana, new age international p limited, publishers, 1996. Electric traction systems are various electrical systems that are used to drive railways. What are the various types of electric braking used in traction. 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. Download question bank in electrical engineering by j. Ppt electric traction system powerpoint presentation free. Two types of vehicles are used for electric traction. Jun 27, 20 electric traction the system which use electrical power for traction system i.
If you need to print pages from this book, we recommend downloading it as a pdf. A treatise on the application of electric power to tramways and railways primary source edition dover, alfred thomas on. Download pdf ebook on a first course on electrical drives by s. Rajput this book on utilisation of electrical power including electrical drives and electric traction has been written for students preparing for b. Techniques for electric drives, block diagram representation, transfer functions. Electricity is typically generated in large and relatively efficient generating stations. List the advantages and disadvantages of electric traction. This chapter presents a general description of the elements that characterize a railway electric transportation systems. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply.
A 2200v,50 hz, three phase,6 pole,yb connected squirrel cage induction motor has following parameters. Ppt electric traction system powerpoint presentation. There may be two types of traction classifications on the basis of power supply. Due to a limited electrical energy source and a long battery charging time, any way to. Main types there are mainly two types of electric trains, which are described as below a. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive. Traction will teach you the nineteen channels you can use to build a customer base, and how. Pdf electric vehicle traction control for optimal energy. Unfortunately, this book cant be printed from the openbook. Electric traction system requirements, terms, advantages. System such a diesel electric drive, electric drive etc. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. System of electric traction mechanics of train movement. It consists of nine chapters in all, covering the various topics systematically and exhaustively.
The electric traction system ppt briefly discusses the types, supply system, traction motors, braking system, advantages and disadvantages and recent trends. Growth is okay, but they just cant seem to break through to the next level. Pdf the preliminary choice of electric traction motors for a. The chapter on economics of electric power supply and utilisation is revised in this edition. An electric vehicle ev with four inwheel motors iwms offers several advantages over other types of evs. Mar 02, 2015 electric trains are those trains which use electric traction or in general electric power. Aldiko reader ios android to download and read this ebook on a pc or mac. Here power is applied to the vehicle from an overhead wire suspended above the track. Systems of railway electrification presently, following four types of track. A book for students, electrical and mechanical engineers, superintendents of motive power and others by edward parris burch, first published in 1911, is a rare manuscript, the original residing in one of the great libraries of the world. Speedtime curve of main line service differs from those of urban and suburban services on following account a it has longer free running. If you need this ebook you can download it free from here. Chapter 11 transit traction power track design handbook.
Electricity is used to drive the electric locomotives. Pdf types of power quality disturbances on ac electric traction. Electric traction basic, traction types, advantages, control for traction. However, the lowvoltage dc feed made it difficult to develop electric locomotives with sufficiently high output to replace steam locomotives for hauling heavy passenger.
Gtu electrical power utilization and traction semester exam previous year question paper download pdf presentation on economies of traction diesel vs electric ebook download ppt diesel vs electric traction ppt. The book explores most of the widely used modern types of motors and drives. In an electric traction system the driving force to pull a train is generated by the traction motors. Pdf electric vehicle traction motors without rare earth.
Electric traction systems may be broadly categorized as those operating on. By electric traction is meant locomotion in which the driving or tractive force is obtained from electric motors. The book intends to convey mechanical fundamentals of electric railway propulsion, which includes railbound guidance, transmission of traction effort from wheel to rail under the influence of nonconstant levels of adhesion and the transmission of motor torque. Review of characteristics of different types of dc and ac. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Feb 28, 2017 electric traction means by means of the electric power for traction system i.
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