Multilevel voltage source converters are emerging as a new breed of power converter options for high-power applications. Here, staircase voltage wave is generated from several levels of dc capacitor voltages. the voltage unbalance between different levels is the major disadvantage of multilevel converters. voltage clamping or capacitor charge control are the main techniques used to solve this. The following types of multilevel voltage source converters are described here:
a)diode-clamp: The diode-clamp method can be applied to higher ....etc

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electric traction system ebook

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 mid-nineteenth century. Thomas Davenport, in Brandon, Vermont, erected a circular model railroad on which ran battery-powered locomotives (or locomotives running on battery-powered rails) in 1834. Robert Davidson, of Aberdeen, Scotland, created an electric locomotive in 1839 and ran it on the Edinburgh-Glasgow railway at 4 miles per hour. The earl ....etc

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To get full information or details of modren trends in electric drives in electric traction ppt slides please have a look on the pages

http://seminarsprojects.net/Thread-recent-trends-in-electric-traction-system-pdf?pid=90814&mode=linear

http://seminarsprojects.net/Thread-power-supply-for-electric-traction-drives?pid=24939&mode=threaded

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Please give me some project idea on traction system or traction drives . also if possible project details

Than you

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To get full information or details of cascaded multilevel inverter for electric vehicles please have a look on the pages

http://seminarsprojects.net/Thread-cascaded-multilevel-inverter-for-hybrid-electric-vehicles?pid=97433&mode=threaded

http://seminarsprojects.net/Thread-multilevel-inverter-for-power-system-applications-highlighting-asymmetric-design-effe

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to get information about the topic Traction system , Traction drives related topic refer the page link bellow

http://seminarsprojects.net/Thread-traction-drive-system-for-electric-vehicles-using-multilevel-converters ....etc

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ppt related to induction motor drive using seven level multi level inverter for energy saving in variable torque load applications
PPT RELATED TO INDUCTION MOTOR DRIVE USING SEVEN LEVEL MULTI LEVEL INVETER FOR ENERGY SAVING IN VARIABLE TORQUE LOAD APPLICATIONS ....etc

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A Scalable SIC Device for DC/DC Converters in Future Hybrid Electric Vehicles


2)INTRODUCTION
This work is motivated by an industry wide interest to integrate SiC power devices in future automotive applications. The need to mount electric motor drives and other power converter electronics under the hood and as close to the motor as possible demands that the power electronics installed must either be capable of enduring the high under-hood temperatures or incorporate an extra coolin ....etc

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This article is presented by:
Karan modgil
BACHELOR OF TECHNOLOGY In ELECTRICAL & ELECTRONICS ENGINEERING
2007 to 2011
ELECTRIC TRACTION SYSTEM

INTRODUCTION

A railway electrification system supplies electrical energy to railway locomotives and multiple units so that they can operate without having an on-board prime mover. There are several different electrification systems in use throughout the world. Railway electrification has many advantages ....etc

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