Paper december 2019 apj abdul kalam technological university pdf download link. Note that the actual velocity of a train can be less than or equal to the. Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered rails in 1834. Which of the following is the voltage for single phase a. Traction drive system and its characteristics as power transmission shuzou sanda, kisaburo hayakawa research report abstract improvement in efficiency and durability is necessary for developing a traction drive continuously variable transmission tcvt. Safely and efficiently control and protect the pow. Pdf, control system of electric traction drive of electric. Motorend inverter can be a current source inverter or a voltage source inverter3. Electrical drives and traction notes vssut smartzworld.
Please note the square bearing 1 of the revolving peg the rotating ability of ca. Factors affecting energy considerations, traction features, recent trends. Introduction to basic notions on electric power 5 electric current conductor lines of force fig. Lecture introduction to plcs mme 486 fall 2006 24 of 47. Electric traction elevators and mrl elevators 2 electric traction and mrl elevators outline identify and highlight specific safety features of traction elevators identify braking system of traction elevator identify operational controls of traction. Traction is the sum of shear stress in a lubricant film between two rolling elements resulting from the rheological behavior of a fluid under high pressure and high shear. Notes on the application of electric motive power to railway service, with illustrations from the practice of the metropolitan elevated road of. The rotor and stator are each connected from a different power supply, this gives another degree of freedom for controlling the motor over the shunt. Its based on realworld experience, practical wisdom and timeless truths. Introduction to programmable logic controllers plcs. Voltage and current during the constant drive voltage and current waveforms in constant drive operation mode are depicted in fig. Electric machine design course institute of electrical and.
Special features of traction motor, methods of electric brakingplugging rheostatic braking and regenerative braking. Synchronous machines 417 threephase rotating fields require three pairs of windings 120windings 120. I am delighted to note that lot of efforts have been undertaken in. The electric power is supplied to the locomotive propulsion drives via overhead lines. Abdul kalam technical university, lucknow, aktu offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download. Utilization of electrical energy pdf free download uee notes uee pdf notes utilization of electrical power including electric drives and electric traction by n.
Current collector for mainline trains, nature of traction load, duty cycle of traction drives. Electric traction and mrl transit elevatorescalator consortium 6. Geared electric traction elevators gearless electric traction elevators governor roped hydraulic safeties sheaves traction 5 electric traction and mrl elevators thinking back to course 200, what are some things you remember about electric traction elevators. May 06, 20 traction mechanics is the study of train motion.
The electric traction offers, against diesel traction, advantages such as the possibility. Electrical drives and traction, edt study materials, engineering class handwritten notes, exam notes, previous year questions, pdf free download. In diesel electric system used for traction, electric motors are used for driving the locomotive which are fed by a d. Electric heating is a process in which electrical energy is converted to heat.
Some people would suggest that the electrical hazard of shock and fire caused by electricity is an issue. Hi electrical engineering students, i am sharing the utilization of electrical energy uee short revision pdf notes and ebook for free download. Traction drive system and its characteristics as power. There is a cost associated with electric heat requires a larger electrical service than normal. Educational project for the teaching of control of electric traction. Matlabsimulink based model for 25 kv ac electric traction drive. The two most important issues to estimate given a certain power system configuratio n, when planning for an electric traction system, are the energy consumption of the grid and the train delays. Dc traction units use direct current drawn from either a conductor rail oran overhead line.
Which of the following is an advantage of electric traction over other methods of traction. May 22, 2018 the electric traction system ppt briefly discusses the types, supply system, traction motors, braking system, advantages and disadvantages and recent trends. 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. The focal point of the book will be the disposition of electric traction units. Download pdf of utilization of electrical energy and traction previous year question for aktu 2017 electrical engineering b. Suryanarayana, new age international p limited, publishers, 1996. Note that the reverse speed of the machine is limited to 12. Chaudhari from nirali prakashan and get upto 34% off on mrprental. Utilization of electrical energy uee pdf notes 2020 sw. Download free sample of pdf modern electric traction by m. Utilization of electrical energy and traction previous year.
Electrical engineering and eee student disclaimer copyright is not reserved by authors. Tech s7 lecture notes electric and hybrid vehicles. Dec 11, 20 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. Note that in the normal use of alternating current in threephase systems. The rotor and stator windings are connected in parallel.
Ac and dc drives, modern trends in drives technology, characteristics of dc, induction and synchronous motor drives. Utilization of electrical energy and traction previous. The tractive effort at the edge of the pinion is transferred to the driving wheel by means of a gear wheel. Openloop operation of dc motors may be satisfactory in many applications. These notes have been prepared by one of the best college faculties and will help you quickly revise utilization of electrical energy uee syllabus for electrical engineering semester exams. Dc motors are widely used in many speedcontrol drives. The most popular line voltages for overhead wire supply systems 1500vdc and 3000v dc. Quantitatively, electric current is defined as the rate of flow of electric charge.
Thomas davenport, in brandon, vermont, erected a circular model railroad on which ran batterypowered locomotives or locomotives running on batterypowered. Running characteristics of dc and ac traction motor. Utilization of electrical enrgy and electric traction. Electricity enables faster acceleration and higher tractive effort on steep gradients. Power supply installation in electric traction irieen. Electric traction systems seminar report a traction system causes the propulsion of vehicle in which tractive or driving force is obtained from various devices such as diesel engine drives. Pdf lecture notes electrical drives and traction electrical. In 2009, i decided that it was time to convert these notes into a textbook, and by the time 6. Introduction to electric traction major classification, requirements, merits, demerits, supply system, speed variation.
The traction coefficient at the power transmitting contacts of the tcvt, which is the dominant. Duty cycle of traction drives, distance between two stops, calculation of total tractive effort and drive rating. Electric traction drive system block diagram for a typical electric traction drive is shown in fig. Short cut notes rapid fire notes best theory of electrical machine design, electrical engineering multiple choice questions objective type questions, mcqs, with question and answers, download free pdf, electrical engineering, multiple choice questions, objective type questions, electrical engineering short notes, rapid fire notes, best theory. Clcik here download electrical drives and traction lecture notes pdf. Electric machine design course institute of electrical. List the advantages and disadvantages of electric traction. Ktu s1 2019 scheme previous year solved question paper december 2019 apj abdul kalam technological university pdf download link given in th. For the same power output diesel electric locomotive is costlier than steam or electric locomotive.
Electric traction sub station conn ection point ove rhead line 2 110 kv overhead line 1 110 k 40 v fig. Ultrasonic, welding electrodes of various metals, defects in welding. The direction of the lines of force is given by the law of the screwdriver. Essential driving mechanism of an electric locomotive is shown in fig. The intention in the compilation of these notes is. Matlabsimulink based model for 25 kv ac electric traction. The smallest amount of charge that exists is carried by an electron and a proton.
Our integrated circuits and reference designs allow you to create traction inverter and motor control designs that efficiently convert dc power to alternating phases of power to drive multiphase motors. System of electric traction mechanics of train movement. Jun 18, 20 dc traction units use direct current drawn from either a conductor rail oran overhead line. General motors came out with the first production electric vehicle in 1996 going back further, thomas edison came out with an electric car in 1895 interesting results since 1996 date of first prius only production car using an ac induction motor for traction is the tesla gm volt rumored to use both an ipm and and ac induction motor for volt. The main advantage of electric traction is a higher powertoweight ratio than forms of traction such as diesel or steam that generate power on board. Utilization of electrical energy by jb gupta, kataria publications, ludhiana 3. Traction get a grip on your business by gino wickman book report by gary tomlinson introduction. 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 traction multiple choice questions and answers. J srinu naick, professor chadalawada ramanamma engineering college autonomous chadalawada nagar, renigunta road, tirupati 517 506. The armature of the driving motor has a pinion diameter d.
An electric drive can be defined as an electromechanical device for converting electrical energy to mechanical energy to impart motion to different machines and mechanisms for various kinds of process control. Intro to electricity home nyu tandon school of engineering. Electrolysis faradays laws, applications of electrolysis, power supply for electrolysis. Vi sem electrical utilization of electrical energy and traction notes prepared by lect. Massachusetts institute of technology 1 introduction this is a concept paper in response to the foa entitled rare earth alternatives in critical technologies for energy react. Current situation and prospects of electric traction systems used in. Electrical drives and traction lecture notes subject code bee for 7th sem. Pdf basic modeling for electric traction systems under. Unitiii electric traction i introduction systems of electric traction. The circuitry of the input converter which provides a dc supply. Dec 14, 2015 clcik here download electrical drives and traction lecture notes pdf. This book is not another silver bullet management book or flavorofthe month strategy.
Download modern electric traction pdf online 2020 by m. Physics electricity 2 electricity electric current electric current is expressed as the amount of charge flowing through a particular area in unit time. Electrical drives and traction edt study materials pdf free. This book will useful to most of the students who were studying electrical and electronic engineering. Pdf utilization of electrical energy uee short revision.
Electric traction multiple choice questions and answers set. Lecture notes in electrical drives and traction systems for students. Electric traction substation connection and train position. Lecture notes utilization of electrical engineeringuee. Electric energy generation and utilisation and conservation electric drives and traction essential driving mechanism of an electric locomotive is shown in fig. Utilization of electrical energy by sahdev, uneek publication, jalandhar 4. Lecture notes electrical drives and traction veer surendra sai university of technology burla, odisha, india department of electrical engineering electrical drives and traction lecture notes subject code bee for 7th sem.
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