All these drives and traction motors should satisfy the wish for efficient, lowcost and, at the same time. If you continue browsing the site, you agree to the use of cookies on this website. Electric traction mcqs answers pdf electrical engineering. Drives are employed as prime movers for diesel or petrol engines, gas or steam turbines, hydraulic motors and electric motors now coming to the history of electrical drives, this was first designed in russia in the. Jun 08, 2019 the classification of electrical drives can be done depending upon the various components of the drive system. Track electrification includes both ac and dc systems.
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. If you need this ebook you can download it free from here. Pdf clanek pojednava o modernizaci trakcnich pohonu vozidel zavisle a nezavisle trakce. The ringcone mechanical variable speed drive was one of the first technologies developed during nidecshimpos storied past. Encouraged by the response to the first edition and to keep pace with recent developments, fundamentals of electrical drives, second edition incorporates greater details on semiconductor controlled drives, includes coverage of permanent magnet ac motor drives and switched reluctance motor drives, and highlights new trends in drive technology. Now according to the design, the drives can be classified into three types such as singlemotor drive, group motor drive and multi motor drive. Railway technology smc tc in brain computer interface systems. Nov 30, 2015 this traction power can be diesel, steam or electric power. High power onix traction drives references delel type customer power supply speed quantity delivery loc ad32c syria railways 2370kw diesel 120kmh 30 1999 loc aem7 amtrak u. It is a summary of chapter 1 of the book power electronics and electric drives for traction. Download pdf ebook on a first course on electrical drives by s. It is an applicationoriented book for the design and development of traction systems accompanied by a description of the core technology. Those dc link capacitors, occupying almost 50% of the space in the whole package, can contribute to. A traction system that doesnt use electrical energy for the movement of vehicle at any stage is referred as nonelectric traction system.
A broad range of traction drives resources are compiled in this industrial portal which provides information on manufacturers, distributors and service companies in the traction drives industry. Electric traction system requirements, terms, advantages. Optimisation of electric motors for traction drives. It has great passenger carrying capacity at higher speed. Pdf traction electric drive with the field regulated reluctance. Pdf electric drives of traction rolling stocks with ac. The rating of traction motors fed in parallel by a.
Introduction to electric drives module 1 elementary principles of mechanics effect of gearing. Pdf optimisation of electric motors for traction drives. The first in this series of tutorial articles described the nature of the traction. This system includes straight electrical drive, diesel electric drive and battery operated electric drive vehicles. Traction systems broadly speaking, all traction systems may be classified into two categories. This video provides a general perspective of how electric drives technology is a key technology that facilitates to produce. Electric drives full notes, pdf, ebooks, all units basic components of an electric drives system classroom lecture slides notes pdf model based predictive control of electric drives complete guide lecture classroom notes pdf. This book provides a comprehensive introduction to the fundamental concepts of electric drives and is eminently suited as a textbook for b. Pdf the field regulated reluctance machine is the future for automotive transport electric drives. The motor consists of a generator, a controlled rectifier, autonomous inverters, and two onboard motors. In this paper, a comparison concerning electric traction drives for passenger cars is.
Power electronics and electric drives for traction applications gonzalo abad on. A traction electric drive is used for an industrial tractor. The company has a product range that is considered the widest available from any vendor, and a. Modeling of dc link capacitor current ripple for electric.
Ppt electric traction system powerpoint presentation. Classification of electrical drives or types of electrical. This video provides a short introduction to electric drive technology for traction applications. Electric drive article about electric drive by the free.
Faulttolerant traction electric drives reliability, topologies and. Rajput this book on utilisation of electrical power including electrical drives and electric traction has been written for students preparing for b. Power electronics advancement in electric traction drives. Dec 20, 2016 this video provides a short introduction to electric drive technology for traction applications. Electric traction involves the use of electricity at some stage or all the stages of locomotive movement. Automotive electric motor drives and power electronics iqbal husain distinguished professor department of electrical and computer engineering north carolina state university april 19, 2012 ieee eastern north carolina pesias section raleigh, nc. Electric locomotive systems are predominant traction systems compared to diesel and steam locomotives. Drives employing voltage source inverters, current source inverters, and induction and synchronous motors have been discussed. National institute of technology rourkela certificate this is to certify that the thesis entitled multilevel inverter based electric traction drives submitted by miss. Minimization of energy losses in the traction drive of hev using.
The classification of electrical drives can be done depending upon the various components of the drive system. Multiple drive systems per vehicle can be supported due to the safety case and levels of torque integrity employed. Large and bulky dc link capacitors are used at the input of the traction inverter to provide a smooth dc input voltage. There are various system of electric traction existing such as electric train, trolley buses, dieselelectric vehicles and gas turbine electric vehicles. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. Power electronics and electric drives for traction applications offers a practical approach to understanding power electronics applications in transportation systems ranging from railways to electric vehicles and ships. Abstract this paper proposes a simulation model of an optimal adaptive control strategy for the traction drive in the hybrid electric vehicle. What is an electric locomotive systems and their types in. Electric motor drives play the most important role in evhevs. Electric traction system 1 electric traction system presented by amit raj roll no. Generally electrical drives are classified as follows. Massdimensional parameters of traction drive sciencedirect. Electric drive a set of devices to convert electric energy into mechanical energy and to regulate the converted energy flux according to a specific law.
The traction system can be classified as nonelectric and electric traction systems. It consists of an electric motor motors, a transfer mechanism, an electrical energy converter, and a control system. To calculate the peak power and torque produced by an electric motor, you. Part 2 traction drives with threephase induction motors.
Power electronics advancement in electric traction drivesan overview gaurav kumar mishra1 a. Electric motors and drives fundamentals, types and applications third edition austin hughes senior fellow, school of electronic and electrical engineering, university of leeds amsterdam boston heidelberg london new york oxford paris san diego san francisco singapore sydney tokyo newnes is an imprint of. Ac traction motors, electrification systems, and railway signalling and control. In the translational motion, the position of the body changes from point to point in space. The selfpowered systems include diesel electric drives and battery electric drives that can generate their own power to pull the train. Although the demand for mechanical variable speed drives has decreased over time, nidecshimpo has been able to leverage the internal traction drive power train into more modern highprecision motion control applications for oems. This site is like a library, use search box in the widget to get ebook that you want. 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. One of the major application of an electric drive is to transport men and materials from one place to another. Drives are employed as prime movers for diesel or petrol engines, gas or steam turbines, hydraulic motors and electric motors. Electric traction download ebook pdf, epub, tuebl, mobi.
Click download or read online button to get electric traction book now. Alternative motor technologies for traction drives of hybrid and. The locomotion in which the driving force is obtained from electric motor is called the electric traction system. It may employ any of the prime movers diesel engines, steam turbines and electric motors for supplying mechanical energy for motion control. There are various systems of traction prevailing in our country such as steam engine drive, electric drive. It is an applicationoriented book for the design and development of traction systems accompanied by a description of the core. The traction motor is suitable for a range of vehicle applications, from medium size passenger cars to light duty commercial vehicles. 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. Automotive electric motor drives and power electronics. Welcome to the most trusted and comprehensive traction drives directory on the internet. This drive system is widely used in large number of industrial and domestic applications like factories, transportation systems, textile mills, fans, pumps, motors, robots etc. Electric motors and drives is intended for nonspecialist users of electric motors and drives, filling the gap between maths and theorybased academic textbooks and the more prosaic handbooks, which provide useful detail but little opportunity for the.
Ppt electric traction system powerpoint presentation free. A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives or electric roadway vehicle 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 vehicles with electrical transmission systems diesel. Which of the following is an advantage of electric traction over other methods of traction. A free powerpoint ppt presentation displayed as a flash slide show on id. Dynamics of electrical drives formula and explanation. Power electronics and electric drives for traction applications. System such a diesel electric drive, electric drive etc. The choice of traction drives has been done from a historical viewpoint of. The first electric drive was devised in russia in 1838, when b.
The output shafts of these reducing gear units are coupled to one differential speedreduction device. Ideal torquespeed profile of traction motor drive for evhev. This chapter deals with power electronics and drives used in electric vehicles ev. In this machine, stator current is switched in the. Jul 31, 2014 2 what are the advantages and disadvantages of electric traction system. Reliability and fault tolerance assessment of multimotor electric drives with.
Magnetek, mining, traction drives, mforce, severe duty ac drive, sd500 ac cooled drive, industrial controllers. The power electronic devices are classified in four categories as rectifier, inverter, dcdc converter, and. Electric traction drive, wheelhub drive, lowspeed direct drive. Electric traction has many advantages as compared to other nonelectrical systems of traction including steam traction. Note 4 industrial type motors complying with iec 60034 may be suitable for some auxiliary drives, providing that it is demonstrated that operation on a converter supply will meet the requirements of the particular application. Systems employed for motion control are called as drives. Problems of expanding the range of speed regulation in electric transport vehicles by replacing gearshift transmission with a twochannel electric drive comprising two electric motors, each coupled with its own reducing gear units possessing different gear ratios.
Pdf electric drives of traction rolling stocks with ac motors. Mar 04, 2020 this drive system is widely used in large number of industrial and domestic applications like factories, transportation systems, textile mills, fans, pumps, motors, robots etc. However, adoption of the electric drive by industry was delayed for lack of a reliable source of electric energy. The drive which uses the electric power for moving forward, such type of drive is called an electric traction drive.
Power electronics and electric drives for traction. K pandey2 1,2department of electrical engineering 1,2madan mohan malviya university of technology, gorakhpur, india abstract this paper presents the power electronics advancement in electric traction drives. Act of drawing or state of being drawn propulsion of vehicle is called tractions. It is a summary of chapter 1 of the book power electronics and electric drives for. There are various system of electric traction existing such as electric train, trolley buses, diesel electric vehicles and gas turbine electric vehicles. Iakobi tested a dc electric motor supplied from a storage battery and used it to drive a screw propeller on a boat. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. This type of drive has found considerable favour for railway work and e of locomotiv. It can also be used most effectively by all those preparing for gate and upsc competitive examinations, as well as by practising engineers. Dynamics of electrical drives when the motor rotates, the load of the system may rotate or may go through a translational motion. The speed of the load may be different from that of the motor. Pdf power electronics and drives used in automotive. Electric traction mcqs answers pdf electrical engineering multiple choice questions answers. For 25 years, saminco international has been developing and manufacturing high power dc and ac drives and complete electrical systems.