Electrical Drives and Traction Notes VSSUT

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Electrical Drives and Traction Notes VSSUT of Total Complete Notes

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Link: Complete Notes

Electrical Drives and Traction Notes VSSUT

Module – 1


AC and DC drives, modern trends in drives technology,

Characteristics of DC, Induction and Synchronous motor drives,

(starting, running, speed control, braking ), size and rating of motors

(short time, intermittent, continuous), Mechanical considerations

(enclosure, bearing transmission of drive, through chain, pulley and gears noise)

Torque-Speed Characteristics of Mechanical Load, Dynamic of Motor-Load System,

Link: Module – 1

Module – 2

Control for drive systems

Control of D.C, Induction, and Synchronous motor drives.

Control Techniques for electric drives, Block diagram representation,

transfer functions, transient response,

frequency response and stability, compensating techniques

Phase controlled converter for speed control

Link: Module – 2

Module – 3

Electric Traction

System of electric traction Mechanics of Train Movement:

Speed – time, distance – time and simplified speed – time curves,

Attractive effort for acceleration and propulsion, effective weight,

train resistance, adhesive weight, specific energy output and consumption.

Traction Motors: Review of characteristics of different types of

DC and AC motors used traction and their suitability

Types of traction, Average speed and scheduled speed:

Link: Module – 3

Module – 4

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 control of electric drives

microprocessor hardware and software for drive system. Thermal Modeling,

Drives for Specific Applications, Microprocessor Based drive

Link: Module – 4


[1] V.Subrahmanyam, “Electric Drives” , TMH publication

[2] M.H.Rashid , “Power Electronics” , P.H.I. Edition

[3] G.K.Dubey, “Electric Drive”, Norasa Pub. House ND

[4] Austin Hughes, “Electrical motors and drives, Fundamental,

Types and Application” Newnes publication

[5] S.K.Pillai , “A First Course on Electrical Drives”,2nd Edition, John Wiley & Sons

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