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Jan 11, 2012

EE2352 Solid State Drives - SUBJECT CATALOG

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SYLLABUS:



EE2352           SOLID STATE DRIVES                                                                                L T P C
3 0 0  3

AIM
To study and understand the operation of electric drives controlled from a power electronic converter and to introduce the design concepts of controllers.


OBJECTIVES
·          To understand the stable steady-state operation and transient dynamics of a motor-load system.
·          To study and analyze the operation of the converter / chopper fed dc drive and to solve simple problems.
·          To study and understand the operation of both classical and modern induction motor drives.
·          To understand the differences between synchronous motor drive and induction motor drive and to learn the basics of permanent magnet synchronous motor drives.
·          To analyze and design the current and speed controllers for a closed loop solid-state DC
motor drive and simulation using a software package



UNIT I DRIVE CHARACTERISTICS           9
Equations governing motor load dynamics -          steady state stability -           Multi quadrant dynamics - Acceleration, deceleration, starting and stopping - load torque characteristics of various drives.


UNIT II            CONVERTER / CHOPPER FED DC MOTOR DRIVE       9
Steady state analysis of the single and three phase fully controlled converter fed separately excited D.C motor drive -  Continuous and discontinuous conduction  Time ratio  and current limit control - 4 quadrant operation of converter.


UNIT III           DESIGN OF CONTROLLERS FOR DRIVES         9
Transfer function for DC motor, load and converter Closed loop control with current and speed feedback - Armature voltage control and field weakening mode control, Design of controllers: Current controller and speed controller - Converter selection and characteristics - Use of simulation  software package.

UNIT IV           INDUCTION MOTOR DRIVES        9
Stator voltage control energy efficient drive -  v/f control, constant air-gap flux field weakening mode -  voltage/current fed inverters - Block diagram of  vector control - closed loop control.


UNIT V           SYNCHRONOUS MOTOR DRIVES            9
V/f  control and self-control of synchronous motor  Marginal angle control and power factor control
- Permanent magnet synchronous motor Black diagram of closed loop control.


TOTAL : 45 PERIODS


TEXT BOOKS:
1.  Gopal K.Dubey, Power Semi conductor controlled drives Prentice Hall Inc., New Jersey 1989.
2.  Bimal K. Bose. Modern Power Electronics and AC Drives, PHI / Pearson Education, 2002.


REFERENCES:
1.  N.K.De and S.K.Sen Electrical Drices” PHI, 2006 9th print.
2. Murphy J.M.D. and Turnbull, Thyristor control of AC MotorPergamon Press Oxford 1988.
3 R. Krishnan, Electric Motor & Drive Modeling, Analysis and Control’, Prentice Hall of India,
2001.

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