Ac and dc drives, modern trends in drives technology, characteristics of dc, induction and synchronous motor drives. Elevator electric traction machine room instructors guide. It is used in electric trains, tramcars, trolley buses and diesel electric vehicles etc. 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%. Download free sample and get upto 51% off on mrprental. Rajput this book on utilisation of electrical power including electrical drives and electric traction has been written for students preparing for b.
Discuss in detail about series parallel control of electric traction motor with example. Introduction, requirements of an ideal traction, systems of traction, speed time curve, tractive effort, coefficient of adhesion, selection of traction motors, method of speed control, energy saving by series parallel control, ac traction equipment. Jan 31, 2016 electric traction is part of subject utilization of electrical energy. Pdf ee6801 electric energy generation, utilization and. Electric traction has a very important advantage over steam traction and that is on account of greater adhesive weight in a motor coach 100 per cent of the weight is on the driving wheels, in an electric locomotive 70 per cent whereas in a steam locomotive less than 50 per cent. Pdf electric drives of traction rolling stocks with ac. Notes for an introductory course on electrical machines and drives pdf. The electric traction system ppt briefly discusses the types, supply system, traction motors, braking system, advantages and disadvantages and recent trends. Electric traction systems and their advantages electronics hub. Need notes or ebook of electrical drives and fact device. Sep 29, 2009 this ppt helps to understand the concept of electric traction slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Utilization of electrical enrgy and electric traction. The paper considers the variation of circuit design of the electric drives in traction rolling stocks when traditional dc electric machines are replaced with ac electric machines. Ppt electric traction system powerpoint presentation free. Elevator electric traction machine room instructors guide overview purpose the purpose of this module is to. List the advantages and disadvantages of electric traction.
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. In ohe, or overhead electrification systems, the supply of electricity is through an overhead system of suspended cables known as. Objectives at the end of this lesson, the transit elevatorescalator trainee will. Electric traction is part of subject utilization of electrical energy. Electric energy generation, utilization and conservation 2 marks with answers 2 download pdf electric energy generation, utilization and conservation 2 marks with answers download pdf electric energy generation, utilization and conservation notes download pdf download anna university notes android app. Lecture notes in electrical drives and traction systems for students 7th. If you continue browsing the site, you agree to the use of cookies on this website. Notes for an introductory course on electrical machines and drives. By electric traction is meant locomotion in which the driving or tractive force is obtained from electric motors. Lecture notes in electrical drives and traction systems for students. Ecen 2060 hybrid and electric vehicles cu boulder, dm fall 2010 1 ecen2060 course notes hybrid and electric vehicles fall 2010 in 2005 there were almost 240. Traction system employed in locomotives can be electric or non electric.
In mechanical terms, it is defined as the adhesive friction between the wheel and the surface on which it moves between a car tire and road. Electrical drives and traction, edt study materials, engineering class handwritten notes, exam notes, previous year questions, pdf free download. System such a diesel electric drive, electric drive etc. Electric traction is meant for locomotion in which the driving tractiveforce is obtained from electric motors called as traction motors. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. For traction purposes mostly 3phase induction motors and d. Ac series motor characteristics, regenerative braking, linear induction. System of electric traction mechanics of train movement. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. Download ee6801 electric energy generation, utilization and conservation lecture notes, books, syllabus parta 2 marks with answers ee6801 electric energy generation, utilization and conservation important partb 16 marks questions, pdf books, question bank with answers. Oct 20, 2017 traction is defined as the act of drawing or pulling especially by a motive force drawing of carriage by horse constitute traction. One of the major application of an electric drive is to transport men and materials from one place to another.
Pdf ee6801 electrical energy generation, utilization and. It involves utilization of electric power for traction systems i. A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives. Nov 30, 2015 the electric traction system is the most efficient of all other traction system such as steam and internal combustion ic engine type systems. Types of electric motors electric motors dc motors other motors h ac motors s unt motor separately excited induction motor stepper motor motor brushlessdc motor series motor hysteresis motor permanent magnet dc pmdc synchronous motor reluctance motor compounded motor universal motor. Electric traction basic, traction types, advantages, control for traction. Now a day, magnetic traction is also used for bullet trains. Utilization of electrical energy pdf notes uee pdf notes. Note how similar this distribution is to that from a black body. Pdf types of power quality disturbances on ac electric traction. Topics covered electrical drives and traction pdf notes complete of vssut are listed below.
Ecen 2060 hybrid and electric vehicles cu boulder, dm fall 2010 1 ecen2060 course notes hybrid and electric vehicles fall 2010 in 2005 there were almost 240 million vehicles cars, buses and trucks in the us. Download link is provided and students can download the anna university ee6801 electrical energy generation, utilization and conservation eeguc syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Electrical drives and traction pdf notes complete vssut. Massachusetts institute of technology 1 introduction this is a concept paper in response to the foa. Utilization of electrical energy notes pdf uee notes pdf book starts with the topics covering type of electric drives, choice of motor, starting and running characteristics, speed control, temperature rise, particular applications of electric drives, types of industrial loads, continuous, intermittent and variable loads, load qualization, etc. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive. Traction motors are used in electrically powered rail vehicles electric multiple units and other electric vehicles including electric milk floats, elevators, roller coasters, conveyors, and trolleybuses, as well as. 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. Note for utilization of electric energy uee by jntu heroes. Electric traction has many advantages as compared to other nonelectrical systems of traction including steam traction.
May 22, 2018 download electric traction systems seminar report with ppt. 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. Clcik here download electrical drives and traction lecture notes pdf. Electric energy generation, utilization and conservation. 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. Electrical drives and traction notes vssut smartzworld.
This article explains about electric traction systems and their. The system which use electrical power for traction system i. May 22, 2016 electric traction means using the electric power for traction system i. Electric energy generation utilization and conservation ee6801 notes pdf free download. This ppt helps to understand the concept of electric traction slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Which of the following is the voltage for single phase a. Advance course on electric drives classroom lecture notes pdf. Complete electrical drives and traction vssut notes. Calculations of tractive effort, power, specific energy consumption for.
A free powerpoint ppt presentation displayed as a flash slide show on id. The seminar report explains the electric traction system which is the most efficient of all other traction systems. Ee6801 electric energy generation utilization and conservation notes regulation 20 anna university free download. Which of the following is an advantage of electric traction over other methods of traction.
May 06, 20 traction mechanics is the study of train motion. Dec 26, 2018 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. Its a very important topic for various recruitment exams like state electricity board exams etc. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. 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. Ee6801 notes electric energy generation utilization and.
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